9 - The default of the ``/2/instances/[instance_name]/rename`` RAPI
10 resource's ``ip_check`` parameter changed from ``True`` to ``False``
11 to match the underlying LUXI interface
12 - When creating file-based instances via RAPI, the ``file_driver``
13 parameter no longer defaults to ``loop`` and must be specified
14 - The deprecated "bridge" nic parameter is no longer supported. Use
16 - Support for the undocumented and deprecated RAPI instance creation
17 request format version 0 has been dropped. Use version 1, supported
18 since Ganeti 2.1.3 and :doc:`documented <rapi>`, instead.
24 *(Released Wed, 09 Mar 2011)*
26 Emergency bug-fix release. ``tools/cfgupgrade`` was broken and overwrote
27 the RAPI users file if run twice (even with ``-dry-run``).
29 The release fixes that bug (nothing else changed).
35 *(Released Mon, 07 Mar 2011)*
37 Final 2.4.0 release. Just a few small fixes:
39 - Fixed RAPI node evacuate
40 - Fixed the kvm-ifup script
41 - Fixed internal error handling for special job cases
42 - Updated man page to specify the escaping feature for options
48 *(Released Mon, 28 Feb 2011)*
50 A critical fix for the ``prealloc_wipe_disks`` feature: it is possible
51 that this feature wiped the disks of the wrong instance, leading to loss
56 - Fixed title of query field containing instance name
57 - Expanded the glossary in the documentation
58 - Fixed one unittest (internal issue)
64 *(Released Mon, 21 Feb 2011)*
66 A number of bug fixes plus just a couple functionality changes.
68 On the user-visible side, the ``gnt-* list`` command output has changed
69 with respect to "special" field states. The current rc1 style of display
70 can be re-enabled by passing a new ``--verbose`` (``-v``) flag, but in
71 the default output mode special fields states are displayed as follows:
73 - Offline resource: ``*``
74 - Unavailable/not applicable: ``-``
75 - Data missing (RPC failure): ``?``
76 - Unknown field: ``??``
78 Another user-visible change is the addition of ``--force-join`` to
83 - ``tools/cluster-merge`` has seen many fixes and is now enabled again
84 - Fixed regression in RAPI/instance reinstall where all parameters were
85 required (instead of optional)
86 - Fixed ``gnt-cluster repair-disk-sizes``, was broken since Ganeti 2.2
87 - Fixed iallocator usage (offline nodes were not considered offline)
88 - Fixed ``gnt-node list`` with respect to non-vm_capable nodes
89 - Fixed hypervisor and OS parameter validation with respect to
91 - Fixed ``gnt-cluster verify`` with respect to offline nodes (mostly
93 - Fixed ``tools/listrunner`` with respect to agent-based usage
99 *(Released Fri, 4 Feb 2011)*
101 Many changes and fixes since the beta1 release. While there were some
102 internal changes, the code has been mostly stabilised for the RC
105 Note: the dumb allocator was removed in this release, as it was not kept
106 up-to-date with the IAllocator protocol changes. It is recommended to
107 use the ``hail`` command from the ganeti-htools package.
109 Note: the 2.4 and up versions of Ganeti are not compatible with the
110 0.2.x branch of ganeti-htools. You need to upgrade to
111 ganeti-htools-0.3.0 (or later).
113 Regressions fixed from 2.3
114 ~~~~~~~~~~~~~~~~~~~~~~~~~~
116 - Fixed the ``gnt-cluster verify-disks`` command
117 - Made ``gnt-cluster verify-disks`` work in parallel (as opposed to
119 - Fixed disk adoption breakage
120 - Fixed wrong headers in instance listing for field aliases
125 - Fixed corner case in KVM handling of NICs
126 - Fixed many cases of wrong handling of non-vm_capable nodes
127 - Fixed a bug where a missing instance symlink was not possible to
128 recreate with any ``gnt-*`` command (now ``gnt-instance
129 activate-disks`` does it)
130 - Fixed the volume group name as reported by ``gnt-cluster
132 - Increased timeouts for the import-export code, hopefully leading to
133 fewer aborts due network or instance timeouts
134 - Fixed bug in ``gnt-node list-storage``
135 - Fixed bug where not all daemons were started on cluster
136 initialisation, but only at the first watcher run
137 - Fixed many bugs in the OOB implementation
138 - Fixed watcher behaviour in presence of instances with offline
140 - Fixed instance list output for instances running on the wrong node
141 - a few fixes to the cluster-merge tool, but it still cannot merge
142 multi-node groups (currently it is not recommended to use this tool)
148 - Improved network configuration for the KVM hypervisor
149 - Added e1000 as a supported NIC for Xen-HVM
150 - Improved the lvmstrap tool to also be able to use partitions, as
151 opposed to full disks
152 - Improved speed of disk wiping (the cluster parameter
153 ``prealloc_wipe_disks``, so that it has a low impact on the total time
154 of instance creations
155 - Added documentation for the OS parameters
156 - Changed ``gnt-instance deactivate-disks`` so that it can work if the
157 hypervisor is not responding
158 - Added display of blacklisted and hidden OS information in
160 - Extended ``gnt-cluster verify`` to also validate hypervisor, backend,
161 NIC and node parameters, which might create problems with currently
162 invalid (but undetected) configuration files, but prevents validation
163 failures when unrelated parameters are modified
164 - Changed cluster initialisation to wait for the master daemon to become
166 - Expanded the RAPI interface:
168 - Added config redistribution resource
169 - Added activation/deactivation of instance disks
170 - Added export of console information
172 - Implemented log file reopening on SIGHUP, which allows using
173 logrotate(8) for the Ganeti log files
174 - Added a basic OOB helper script as an example
180 *(Released Fri, 14 Jan 2011)*
185 - Fixed timezone issues when formatting timestamps
186 - Added support for node groups, available via ``gnt-group`` and other
188 - Added out-of-band framework and management, see :doc:`design
189 document <design-oob>`
190 - Removed support for roman numbers from ``gnt-node list`` and
191 ``gnt-instance list``.
192 - Allowed modification of master network interface via ``gnt-cluster
193 modify --master-netdev``
194 - Accept offline secondaries while shutting down instance disks
195 - Added ``blockdev_prefix`` parameter to Xen PVM and HVM hypervisors
196 - Added support for multiple LVM volume groups
197 - Avoid sorting nodes for ``gnt-node list`` if specific nodes are
199 - Added commands to list available fields:
201 - ``gnt-node list-fields``
202 - ``gnt-group list-fields``
203 - ``gnt-instance list-fields``
205 - Updated documentation and man pages
210 - Moved ``rapi_users`` file into separate directory, now named
211 ``.../ganeti/rapi/users``, ``cfgupgrade`` moves the file and creates a
213 - Added new tool for running commands on many machines,
214 ``tools/ganeti-listrunner``
215 - Implemented more verbose result in ``OpInstanceConsole`` opcode, also
216 improving the ``gnt-instance console`` output
217 - Allowed customisation of disk index separator at ``configure`` time
218 - Export node group allocation policy to :doc:`iallocator <iallocator>`
219 - Added support for non-partitioned md disks in ``lvmstrap``
220 - Added script to gracefully power off KVM instances
221 - Split ``utils`` module into smaller parts
222 - Changed query operations to return more detailed information, e.g.
223 whether an information is unavailable due to an offline node. To use
224 this new functionality, the LUXI call ``Query`` must be used. Field
225 information is now stored by the master daemon and can be retrieved
226 using ``QueryFields``. Instances, nodes and groups can also be queried
227 using the new opcodes ``OpQuery`` and ``OpQueryFields`` (not yet
228 exposed via RAPI). The following commands make use of this
229 infrastructure change:
232 - ``gnt-group list-fields``
234 - ``gnt-node list-fields``
235 - ``gnt-instance list``
236 - ``gnt-instance list-fields``
237 - ``gnt-debug locks``
242 - New RAPI resources (see :doc:`rapi`):
246 - ``/2/groups/[group_name]``
247 - ``/2/groups/[group_name]/assign-nodes``
248 - ``/2/groups/[group_name]/modify``
249 - ``/2/groups/[group_name]/rename``
250 - ``/2/instances/[instance_name]/disk/[disk_index]/grow``
254 - Implemented ``no_install`` for instance creation
255 - Implemented OS parameters for instance reinstallation, allowing
256 use of special settings on reinstallation (e.g. for preserving data)
261 - Added IPv6 support in import/export
262 - Pause DRBD synchronization while wiping disks on instance creation
263 - Updated unittests and QA scripts
264 - Improved network parameters passed to KVM
265 - Converted man pages from docbook to reStructuredText
271 *(Released Mon, 20 Dec 2010)*
273 Released version 2.3.1~rc1 without any changes.
279 *(Released Wed, 1 Dec 2010)*
281 - impexpd: Disable OpenSSL compression in socat if possible (backport
282 from master, commit e90739d625b, see :doc:`installation guide
283 <install-quick>` for details)
284 - Changed unittest coverage report to exclude test scripts
285 - Added script to check version format
291 *(Released Wed, 1 Dec 2010)*
293 Released version 2.3.0~rc1 without any changes.
299 *(Released Fri, 19 Nov 2010)*
301 A number of bugfixes and documentation updates:
303 - Update ganeti-os-interface documentation
304 - Fixed a bug related to duplicate MACs or similar items which should be
306 - Fix breakage in OS state modify
307 - Reinstall instance: disallow offline secondaries (fixes bug related to
308 OS changing but reinstall failing)
309 - plus all the other fixes between 2.2.1 and 2.2.2
315 *(Released Tue, 2 Nov 2010)*
317 - Fixed clearing of the default iallocator using ``gnt-cluster modify``
318 - Fixed master failover race with watcher
319 - Fixed a bug in ``gnt-node modify`` which could lead to an inconsistent
321 - Accept previously stopped instance for export with instance removal
322 - Simplify and extend the environment variables for instance OS scripts
323 - Added new node flags, ``master_capable`` and ``vm_capable``
324 - Added optional instance disk wiping prior during allocation. This is a
325 cluster-wide option and can be set/modified using
326 ``gnt-cluster {init,modify} --prealloc-wipe-disks``.
327 - Added IPv6 support, see :doc:`design document <design-2.3>` and
329 - Added a new watcher option (``--ignore-pause``)
330 - Added option to ignore offline node on instance start/stop
331 (``--ignore-offline``)
332 - Allow overriding OS parameters with ``gnt-instance reinstall``
333 - Added ability to change node's secondary IP address using ``gnt-node
335 - Implemented privilege separation for all daemons except
336 ``ganeti-noded``, see ``configure`` options
337 - Complain if an instance's disk is marked faulty in ``gnt-cluster
339 - Implemented job priorities (see ``ganeti(7)`` manpage)
340 - Ignore failures while shutting down instances during failover from
342 - Exit daemon's bootstrap process only once daemon is ready
343 - Export more information via ``LUInstanceQuery``/remote API
344 - Improved documentation, QA and unittests
345 - RAPI daemon now watches ``rapi_users`` all the time and doesn't need a
346 restart if the file was created or changed
347 - Added LUXI protocol version sent with each request and response,
348 allowing detection of server/client mismatches
349 - Moved the Python scripts among gnt-* and ganeti-* into modules
350 - Moved all code related to setting up SSH to an external script,
352 - Infrastructure changes for node group support in future versions
358 *(Released Fri, 19 Nov 2010)*
360 A few small bugs fixed, and some improvements to the build system:
362 - Fix documentation regarding conversion to drbd
363 - Fix validation of parameters in cluster modify (``gnt-cluster modify
365 - Fix error handling in node modify with multiple changes
366 - Allow remote imports without checked names
372 *(Released Tue, 19 Oct 2010)*
374 - Disable SSL session ID cache in RPC client
380 *(Released Thu, 14 Oct 2010)*
382 - Fix interaction between Curl/GnuTLS and the Python's HTTP server
383 (thanks Apollon Oikonomopoulos!), finally allowing the use of Curl
385 - Fix problems with interaction between Curl and Python's HTTP server,
386 resulting in increased speed in many RPC calls
387 - Improve our release script to prevent breakage with older aclocal and
394 *(Released Thu, 7 Oct 2010)*
396 - Fixed issue 125, replace hardcoded "xenvg" in ``gnt-cluster`` with
397 value retrieved from master
398 - Added support for blacklisted or hidden OS definitions
399 - Added simple lock monitor (accessible via (``gnt-debug locks``)
400 - Added support for -mem-path in KVM hypervisor abstraction layer
401 - Allow overriding instance parameters in tool for inter-cluster
402 instance moves (``tools/move-instance``)
403 - Improved opcode summaries (e.g. in ``gnt-job list``)
404 - Improve consistency of OS listing by sorting it
405 - Documentation updates
411 *(Released Fri, 8 Oct 2010)*
413 - Rebuild with a newer autotools version, to fix python 2.6 compatibility
419 *(Released Mon, 4 Oct 2010)*
421 - Fixed regression in ``gnt-instance rename``
427 *(Released Wed, 22 Sep 2010)*
429 - Fixed OS_VARIANT variable for OS scripts
430 - Fixed cluster tag operations via RAPI
431 - Made ``setup-ssh`` exit with non-zero code if an error occurred
432 - Disabled RAPI CA checks in watcher
438 *(Released Mon, 23 Aug 2010)*
440 - Support DRBD versions of the format "a.b.c.d"
442 - Re-introduce support for usage from multiple threads in RAPI client
443 - Instance renames and modify via RAPI
444 - Work around race condition between processing and archival in job
446 - Mark opcodes following failed one as failed, too
447 - Job field ``lock_status`` was removed due to difficulties making it
448 work with the changed job queue in Ganeti 2.2; a better way to monitor
449 locks is expected for a later 2.2.x release
450 - Fixed dry-run behaviour with many commands
451 - Support ``ssh-agent`` again when adding nodes
452 - Many additional bugfixes
458 *(Released Fri, 30 Jul 2010)*
460 Important change: the internal RPC mechanism between Ganeti nodes has
461 changed from using a home-grown http library (based on the Python base
462 libraries) to use the PycURL library. This requires that PycURL is
463 installed on nodes. Please note that on Debian/Ubuntu, PycURL is linked
464 against GnuTLS by default. cURL's support for GnuTLS had known issues
465 before cURL 7.21.0 and we recommend using the latest cURL release or
466 linking against OpenSSL. Most other distributions already link PycURL
467 and cURL against OpenSSL. The command::
469 python -c 'import pycurl; print pycurl.version'
471 can be used to determine the libraries PycURL and cURL are linked
474 Other significant changes:
476 - Rewrote much of the internals of the job queue, in order to achieve
477 better parallelism; this decouples job query operations from the job
478 processing, and it should allow much nicer behaviour of the master
479 daemon under load, and it also has uncovered some long-standing bugs
480 related to the job serialisation (now fixed)
481 - Added a default iallocator setting to the cluster parameters,
482 eliminating the need to always pass nodes or an iallocator for
483 operations that require selection of new node(s)
484 - Added experimental support for the LXC virtualization method
485 - Added support for OS parameters, which allows the installation of
486 instances to pass parameter to OS scripts in order to customise the
488 - Added a hypervisor parameter controlling the migration type (live or
489 non-live), since hypervisors have various levels of reliability; this
490 has renamed the 'live' parameter to 'mode'
491 - Added a cluster parameter ``reserved_lvs`` that denotes reserved
492 logical volumes, meaning that cluster verify will ignore them and not
493 flag their presence as errors
494 - The watcher will now reset the error count for failed instances after
495 8 hours, thus allowing self-healing if the problem that caused the
496 instances to be down/fail to start has cleared in the meantime
497 - Added a cluster parameter ``drbd_usermode_helper`` that makes Ganeti
498 check for, and warn, if the drbd module parameter ``usermode_helper``
499 is not consistent with the cluster-wide setting; this is needed to
500 make diagnose easier of failed drbd creations
501 - Started adding base IPv6 support, but this is not yet
502 enabled/available for use
503 - Rename operations (cluster, instance) will now return the new name,
504 which is especially useful if a short name was passed in
505 - Added support for instance migration in RAPI
506 - Added a tool to pre-configure nodes for the SSH setup, before joining
507 them to the cluster; this will allow in the future a simplified model
508 for node joining (but not yet fully enabled in 2.2); this needs the
509 paramiko python library
510 - Fixed handling of name-resolving errors
511 - Fixed consistency of job results on the error path
512 - Fixed master-failover race condition when executed multiple times in
514 - Fixed many bugs related to the job queue (mostly introduced during the
515 2.2 development cycle, so not all are impacting 2.1)
516 - Fixed instance migration with missing disk symlinks
517 - Fixed handling of unknown jobs in ``gnt-job archive``
518 - And many other small fixes/improvements
522 - Enhanced both the unittest and the QA coverage
523 - Switched the opcode validation to a generic model, and extended the
524 validation to all opcode parameters
525 - Changed more parts of the code that write shell scripts to use the
527 - Switched the master daemon to use the asyncore library for the Luxi
534 *(Released Thu, 17 Jun 2010)*
536 - Added tool (``move-instance``) and infrastructure to move instances
537 between separate clusters (see :doc:`separate documentation
538 <move-instance>` and :doc:`design document <design-2.2>`)
539 - Added per-request RPC timeout
540 - RAPI now requires a Content-Type header for requests with a body (e.g.
541 ``PUT`` or ``POST``) which must be set to ``application/json`` (see
542 :rfc:`2616` (HTTP/1.1), section 7.2.1)
543 - ``ganeti-watcher`` attempts to restart ``ganeti-rapi`` if RAPI is not
545 - Implemented initial support for running Ganeti daemons as separate
546 users, see configure-time flags ``--with-user-prefix`` and
547 ``--with-group-prefix`` (only ``ganeti-rapi`` is supported at this
549 - Instances can be removed after export (``gnt-backup export
551 - Self-signed certificates generated by Ganeti now use a 2048 bit RSA
552 key (instead of 1024 bit)
553 - Added new cluster configuration file for cluster domain secret
554 - Import/export now use SSL instead of SSH
555 - Added support for showing estimated time when exporting an instance,
556 see the ``ganeti-os-interface(7)`` manpage and look for
563 *(Released Tue, 16 Nov 2010)*
565 Some more bugfixes. Unless critical bugs occur, this will be the last
568 - Fix case of MAC special-values
569 - Fix mac checker regex
570 - backend: Fix typo causing "out of range" error
571 - Add missing --units in gnt-instance list man page
577 *(Released Tue, 24 Aug 2010)*
580 - Don't ignore secondary node silently on non-mirrored disk templates
582 - Fix --master-netdev arg name in gnt-cluster(8) (issue 114)
583 - Fix usb_mouse parameter breaking with vnc_console (issue 109)
584 - Properly document the usb_mouse parameter
585 - Fix path in ganeti-rapi(8) (issue 116)
586 - Adjust error message when the ganeti user's .ssh directory is
588 - Add same-node-check when changing the disk template to drbd
594 *(Released Fri, 16 Jul 2010)*
597 - Add an option to only select some reboot types during qa/burnin.
598 (on some hypervisors consequent reboots are not supported)
599 - Fix infrequent race condition in master failover. Sometimes the old
600 master ip address would be still detected as up for a short time
601 after it was removed, causing failover to fail.
602 - Decrease mlockall warnings when the ctypes module is missing. On
603 Python 2.4 we support running even if no ctypes module is installed,
604 but we were too verbose about this issue.
605 - Fix building on old distributions, on which man doesn't have a
607 - Fix RAPI not to ignore the MAC address on instance creation
608 - Implement the old instance creation format in the RAPI client.
614 *(Released Thu, 01 Jul 2010)*
616 A small bugfix release:
617 - Fix disk adoption: broken by strict --disk option checking in 2.1.4
618 - Fix batch-create: broken in the whole 2.1 series due to a lookup on
619 a non-existing option
620 - Fix instance create: the --force-variant option was ignored
621 - Improve pylint 0.21 compatibility and warnings with Python 2.6
622 - Fix modify node storage with non-FQDN arguments
623 - Fix RAPI client to authenticate under Python 2.6 when used
624 for more than 5 requests needing authentication
625 - Fix gnt-instance modify -t (storage) giving a wrong error message
626 when converting a non-shutdown drbd instance to plain
632 *(Released Fri, 18 Jun 2010)*
634 A small bugfix release:
636 - Fix live migration of KVM instances started with older Ganeti
637 versions which had fewer hypervisor parameters
638 - Fix gnt-instance grow-disk on down instances
639 - Fix an error-reporting bug during instance migration
640 - Better checking of the ``--net`` and ``--disk`` values, to avoid
641 silently ignoring broken ones
642 - Fix an RPC error reporting bug affecting, for example, RAPI client
644 - Fix bug triggered by different API version os-es on different nodes
645 - Fix a bug in instance startup with custom hvparams: OS level
646 parameters would fail to be applied.
647 - Fix the RAPI client under Python 2.6 (but more work is needed to
648 make it work completely well with OpenSSL)
649 - Fix handling of errors when resolving names from DNS
655 *(Released Thu, 3 Jun 2010)*
657 A medium sized development cycle. Some new features, and some
658 fixes/small improvements/cleanups.
663 The node deamon now tries to mlock itself into memory, unless the
664 ``--no-mlock`` flag is passed. It also doesn't fail if it can't write
665 its logs, and falls back to console logging. This allows emergency
666 features such as ``gnt-node powercycle`` to work even in the event of a
667 broken node disk (tested offlining the disk hosting the node's
668 filesystem and dropping its memory caches; don't try this at home)
670 KVM: add vhost-net acceleration support. It can be tested with a new
671 enough version of the kernel and of qemu-kvm.
673 KVM: Add instance chrooting feature. If you use privilege dropping for
674 your VMs you can also now force them to chroot to an empty directory,
675 before starting the emulated guest.
677 KVM: Add maximum migration bandwith and maximum downtime tweaking
678 support (requires a new-enough version of qemu-kvm).
680 Cluster verify will now warn if the master node doesn't have the master
683 Add a new (incompatible) instance creation request format to RAPI which
684 supports all parameters (previously only a subset was supported, and it
685 wasn't possible to extend the old format to accomodate all the new
686 features. The old format is still supported, and a client can check for
687 this feature, before using it, by checking for its presence in the
688 ``features`` RAPI resource.
690 Now with ancient latin support. Try it passing the ``--roman`` option to
691 ``gnt-instance info``, ``gnt-cluster info`` or ``gnt-node list``
692 (requires the python-roman module to be installed, in order to work).
697 As usual many internal code refactorings, documentation updates, and
700 - Lots of improvements and cleanups to the experimental Remote API
701 (RAPI) client library.
702 - A new unit test suite for the core daemon libraries.
703 - A fix to creating missing directories makes sure the umask is not
704 applied anymore. This enforces the same directory permissions
706 - Better handling terminating daemons with ctrl+c (used when running
707 them in debugging mode).
708 - Fix a race condition in live migrating a KVM instance, when stat()
709 on the old proc status file returned EINVAL, which is an unexpected
711 - Fixed manpage checking with newer man and utf-8 charachters. But now
712 you need the en_US.UTF-8 locale enabled to build Ganeti from git.
718 *(Released Fri, 7 May 2010)*
720 Fix a bug which prevented untagged KVM instances from starting.
726 *(Released Fri, 7 May 2010)*
728 Another release with a long development cycle, during which many
729 different features were added.
734 The KVM hypervisor now can run the individual instances as non-root, to
735 reduce the impact of a VM being hijacked due to bugs in the
736 hypervisor. It is possible to run all instances as a single (non-root)
737 user, to manually specify a user for each instance, or to dynamically
738 allocate a user out of a cluster-wide pool to each instance, with the
739 guarantee that no two instances will run under the same user ID on any
742 An experimental RAPI client library, that can be used standalone
743 (without the other Ganeti libraries), is provided in the source tree as
744 ``lib/rapi/client.py``. Note this client might change its interface in
745 the future, as we iterate on its capabilities.
747 A new command, ``gnt-cluster renew-crypto`` has been added to easily
748 replace the cluster's certificates and crypto keys. This might help in
749 case they have been compromised, or have simply expired.
751 A new disk option for instance creation has been added that allows one
752 to "adopt" currently existing logical volumes, with data
753 preservation. This should allow easier migration to Ganeti from
754 unmanaged (or managed via other software) instances.
756 Another disk improvement is the possibility to convert between redundant
757 (DRBD) and plain (LVM) disk configuration for an instance. This should
758 allow better scalability (starting with one node and growing the
759 cluster, or shrinking a two-node cluster to one node).
761 A new feature that could help with automated node failovers has been
762 implemented: if a node sees itself as offline (by querying the master
763 candidates), it will try to shutdown (hard) all instances and any active
764 DRBD devices. This reduces the risk of duplicate instances if an
765 external script automatically failovers the instances on such nodes. To
766 enable this, the cluster parameter ``maintain_node_health`` should be
767 enabled; in the future this option (per the name) will enable other
768 automatic maintenance features.
770 Instance export/import now will reuse the original instance
771 specifications for all parameters; that means exporting an instance,
772 deleting it and the importing it back should give an almost identical
773 instance. Note that the default import behaviour has changed from
774 before, where it created only one NIC; now it recreates the original
777 Cluster verify has added a few new checks: SSL certificates validity,
778 /etc/hosts consistency across the cluster, etc.
783 As usual, many internal changes were done, documentation fixes,
786 - Fixed cluster initialization with disabled cluster storage (regression
788 - File-based storage supports growing the disks
789 - Fixed behaviour of node role changes
790 - Fixed cluster verify for some corner cases, plus a general rewrite of
791 cluster verify to allow future extension with more checks
792 - Fixed log spamming by watcher and node daemon (regression introduced
794 - Fixed possible validation issues when changing the list of enabled
796 - Fixed cleanup of /etc/hosts during node removal
797 - Fixed RAPI response for invalid methods
798 - Fixed bug with hashed passwords in ``ganeti-rapi`` daemon
799 - Multiple small improvements to the KVM hypervisor (VNC usage, booting
800 from ide disks, etc.)
801 - Allow OS changes without re-installation (to record a changed OS
802 outside of Ganeti, or to allow OS renames)
803 - Allow instance creation without OS installation (useful for example if
804 the OS will be installed manually, or restored from a backup not in
806 - Implemented option to make cluster ``copyfile`` use the replication
808 - Added list of enabled hypervisors to ssconf (possibly useful for
810 - Added a new tool (``tools/cfgupgrade12``) that allows upgrading from
812 - A partial form of node re-IP is possible via node readd, which now
813 allows changed node primary IP
814 - Command line utilities now show an informational message if the job is
816 - The logs of the master daemon now show the PID/UID/GID of the
823 *(Released Fri, 12 Mar 2010)*
825 During the 2.1.0 long release candidate cycle, a lot of improvements and
826 changes have accumulated with were released later as 2.1.1.
831 The node evacuate command (``gnt-node evacuate``) was significantly
832 rewritten, and as such the IAllocator protocol was changed - a new
833 request type has been added. This unfortunate change during a stable
834 series is designed to improve performance of node evacuations; on
835 clusters with more than about five nodes and which are well-balanced,
836 evacuation should proceed in parallel for all instances of the node
837 being evacuated. As such, any existing IAllocator scripts need to be
838 updated, otherwise the above command will fail due to the unknown
839 request. The provided "dumb" allocator has not been updated; but the
840 ganeti-htools package supports the new protocol since version 0.2.4.
842 Another important change is increased validation of node and instance
843 names. This might create problems in special cases, if invalid host
844 names are being used.
846 Also, a new layer of hypervisor parameters has been added, that sits at
847 OS level between the cluster defaults and the instance ones. This allows
848 customisation of virtualization parameters depending on the installed
849 OS. For example instances with OS 'X' may have a different KVM kernel
850 (or any other parameter) than the cluster defaults. This is intended to
851 help managing a multiple OSes on the same cluster, without manual
852 modification of each instance's parameters.
854 A tool for merging clusters, ``cluster-merge``, has been added in the
860 - Improved the int/float conversions that should make the code more
861 robust in face of errors from the node daemons
862 - Fixed the remove node code in case of internal configuration errors
863 - Fixed the node daemon behaviour in face of inconsistent queue
864 directory (e.g. read-only file-system where we can't open the files
866 - Fixed the behaviour of gnt-node modify for master candidate demotion;
867 now it either aborts cleanly or, if given the new "auto_promote"
868 parameter, will automatically promote other nodes as needed
869 - Fixed compatibility with (unreleased yet) Python 2.6.5 that would
870 completely prevent Ganeti from working
871 - Fixed bug for instance export when not all disks were successfully
873 - Fixed behaviour of node add when the new node is slow in starting up
875 - Fixed handling of signals in the LUXI client, which should improve
876 behaviour of command-line scripts
877 - Added checks for invalid node/instance names in the configuration (now
878 flagged during cluster verify)
879 - Fixed watcher behaviour for disk activation errors
880 - Fixed two potentially endless loops in http library, which led to the
881 RAPI daemon hanging and consuming 100% CPU in some cases
882 - Fixed bug in RAPI daemon related to hashed passwords
883 - Fixed bug for unintended qemu-level bridging of multi-NIC KVM
885 - Enhanced compatibility with non-Debian OSes, but not using absolute
886 path in some commands and allowing customisation of the ssh
887 configuration directory
888 - Fixed possible future issue with new Python versions by abiding to the
889 proper use of ``__slots__`` attribute on classes
890 - Added checks that should prevent directory traversal attacks
891 - Many documentation fixes based on feedback from users
896 - Added an "early_release" more for instance replace disks and node
897 evacuate, where we release locks earlier and thus allow higher
898 parallelism within the cluster
899 - Added watcher hooks, intended to allow the watcher to restart other
900 daemons (e.g. from the ganeti-nbma project), but they can be used of
901 course for any other purpose
902 - Added a compile-time disable for DRBD barriers, to increase
903 performance if the administrator trusts the power supply or the
904 storage system to not lose writes
905 - Added the option of using syslog for logging instead of, or in
906 addition to, Ganeti's own log files
907 - Removed boot restriction for paravirtual NICs for KVM, recent versions
908 can indeed boot from a paravirtual NIC
909 - Added a generic debug level for many operations; while this is not
910 used widely yet, it allows one to pass the debug value all the way to
912 - Enhanced the hooks environment for instance moves (failovers,
913 migrations) where the primary/secondary nodes changed during the
914 operation, by adding {NEW,OLD}_{PRIMARY,SECONDARY} vars
915 - Enhanced data validations for many user-supplied values; one important
916 item is the restrictions imposed on instance and node names, which
917 might reject some (invalid) host names
918 - Add a configure-time option to disable file-based storage, if it's not
919 needed; this allows greater security separation between the master
920 node and the other nodes from the point of view of the inter-node RPC
922 - Added user notification in interactive tools if job is waiting in the
923 job queue or trying to acquire locks
924 - Added log messages when a job is waiting for locks
925 - Added filtering by node tags in instance operations which admit
926 multiple instances (start, stop, reboot, reinstall)
927 - Added a new tool for cluster mergers, ``cluster-merge``
928 - Parameters from command line which are of the form ``a=b,c=d`` can now
929 use backslash escapes to pass in values which contain commas,
930 e.g. ``a=b\\c,d=e`` where the 'a' parameter would get the value
932 - For KVM, the instance name is the first parameter passed to KVM, so
933 that it's more visible in the process list
939 *(Released Tue, 2 Mar 2010)*
941 Ganeti 2.1 brings many improvements with it. Major changes:
943 - Added infrastructure to ease automated disk repairs
944 - Added new daemon to export configuration data in a cheaper way than
946 - Instance NICs can now be routed instead of being associated with a
948 - Improved job locking logic to reduce impact of jobs acquiring multiple
949 locks waiting for other long-running jobs
951 In-depth implementation details can be found in the Ganeti 2.1 design
957 - Added chroot hypervisor
958 - Added more options to xen-hvm hypervisor (``kernel_path`` and
960 - Added more options to xen-pvm hypervisor (``use_bootloader``,
961 ``bootloader_path`` and ``bootloader_args``)
962 - Added the ``use_localtime`` option for the xen-hvm and kvm
963 hypervisors, and the default value for this has changed to false (in
964 2.0 xen-hvm always enabled it)
965 - Added luxi call to submit multiple jobs in one go
966 - Added cluster initialization option to not modify ``/etc/hosts``
968 - Added network interface parameters
969 - Added dry run mode to some LUs
970 - Added RAPI resources:
972 - ``/2/instances/[instance_name]/info``
973 - ``/2/instances/[instance_name]/replace-disks``
974 - ``/2/nodes/[node_name]/evacuate``
975 - ``/2/nodes/[node_name]/migrate``
976 - ``/2/nodes/[node_name]/role``
977 - ``/2/nodes/[node_name]/storage``
978 - ``/2/nodes/[node_name]/storage/modify``
979 - ``/2/nodes/[node_name]/storage/repair``
981 - Added OpCodes to evacuate or migrate all instances on a node
982 - Added new command to list storage elements on nodes (``gnt-node
983 list-storage``) and modify them (``gnt-node modify-storage``)
984 - Added new ssconf files with master candidate IP address
985 (``ssconf_master_candidates_ips``), node primary IP address
986 (``ssconf_node_primary_ips``) and node secondary IP address
987 (``ssconf_node_secondary_ips``)
988 - Added ``ganeti-confd`` and a client library to query the Ganeti
989 configuration via UDP
990 - Added ability to run hooks after cluster initialization and before
992 - Added automatic mode for disk replace (``gnt-instance replace-disks
994 - Added ``gnt-instance recreate-disks`` to re-create (empty) disks
995 after catastrophic data-loss
996 - Added ``gnt-node repair-storage`` command to repair damaged LVM volume
998 - Added ``gnt-instance move`` command to move instances
999 - Added ``gnt-cluster watcher`` command to control watcher
1000 - Added ``gnt-node powercycle`` command to powercycle nodes
1001 - Added new job status field ``lock_status``
1002 - Added parseable error codes to cluster verification (``gnt-cluster
1003 verify --error-codes``) and made output less verbose (use
1004 ``--verbose`` to restore previous behaviour)
1005 - Added UUIDs to the main config entities (cluster, nodes, instances)
1006 - Added support for OS variants
1007 - Added support for hashed passwords in the Ganeti remote API users file
1009 - Added option to specify maximum timeout on instance shutdown
1010 - Added ``--no-ssh-init`` option to ``gnt-cluster init``
1011 - Added new helper script to start and stop Ganeti daemons
1012 (``daemon-util``), with the intent to reduce the work necessary to
1013 adjust Ganeti for non-Debian distributions and to start/stop daemons
1015 - Added more unittests
1016 - Fixed critical bug in ganeti-masterd startup
1017 - Removed the configure-time ``kvm-migration-port`` parameter, this is
1018 now customisable at the cluster level for both the KVM and Xen
1019 hypervisors using the new ``migration_port`` parameter
1020 - Pass ``INSTANCE_REINSTALL`` variable to OS installation script when
1021 reinstalling an instance
1022 - Allowed ``@`` in tag names
1023 - Migrated to Sphinx (http://sphinx.pocoo.org/) for documentation
1024 - Many documentation updates
1025 - Distribute hypervisor files on ``gnt-cluster redist-conf``
1026 - ``gnt-instance reinstall`` can now reinstall multiple instances
1027 - Updated many command line parameters
1028 - Introduced new OS API version 15
1029 - No longer support a default hypervisor
1030 - Treat virtual LVs as inexistent
1031 - Improved job locking logic to reduce lock contention
1032 - Match instance and node names case insensitively
1033 - Reimplemented bash completion script to be more complete
1040 *(Released Thu, 4 Feb 2010)*
1042 - Fix cleaner behaviour on nodes not in a cluster (Debian bug 568105)
1043 - Fix a string formatting bug
1044 - Improve safety of the code in some error paths
1045 - Improve data validation in the master of values returned from nodes
1051 *(Released Thu, 17 Dec 2009)*
1053 - Fix security issue due to missing validation of iallocator names; this
1054 allows local and remote execution of arbitrary executables
1055 - Fix failure of gnt-node list during instance removal
1056 - Ship the RAPI documentation in the archive
1062 *(Released Wed, 30 Sep 2009)*
1064 - Fixed many wrong messages
1065 - Fixed a few bugs related to the locking library
1066 - Fixed MAC checking at instance creation time
1067 - Fixed a DRBD parsing bug related to gaps in /proc/drbd
1068 - Fixed a few issues related to signal handling in both daemons and
1070 - Fixed the example startup script provided
1071 - Fixed insserv dependencies in the example startup script (patch from
1073 - Fixed handling of drained nodes in the iallocator framework
1074 - Fixed handling of KERNEL_PATH parameter for xen-hvm (Debian bug
1076 - Fixed error related to invalid job IDs in job polling
1077 - Fixed job/opcode persistence on unclean master shutdown
1078 - Fixed handling of partial job processing after unclean master
1080 - Fixed error reporting from LUs, previously all errors were converted
1081 into execution errors
1082 - Fixed error reporting from burnin
1083 - Decreased significantly the memory usage of the job queue
1084 - Optimised slightly multi-job submission
1085 - Optimised slightly opcode loading
1086 - Backported the multi-job submit framework from the development
1087 branch; multi-instance start and stop should be faster
1088 - Added script to clean archived jobs after 21 days; this will reduce
1089 the size of the queue directory
1090 - Added some extra checks in disk size tracking
1091 - Added an example ethers hook script
1092 - Added a cluster parameter that prevents Ganeti from modifying of
1094 - Added more node information to RAPI responses
1095 - Added a ``gnt-job watch`` command that allows following the ouput of a
1097 - Added a bind-address option to ganeti-rapi
1098 - Added more checks to the configuration verify
1099 - Enhanced the burnin script such that some operations can be retried
1101 - Converted instance reinstall to multi-instance model
1107 *(Released Fri, 7 Aug 2009)*
1109 - Added ``--ignore-size`` to the ``gnt-instance activate-disks`` command
1110 to allow using the pre-2.0.2 behaviour in activation, if any existing
1111 instances have mismatched disk sizes in the configuration
1112 - Added ``gnt-cluster repair-disk-sizes`` command to check and update
1113 any configuration mismatches for disk sizes
1114 - Added ``gnt-master cluste-failover --no-voting`` to allow master
1115 failover to work on two-node clusters
1116 - Fixed the ``--net`` option of ``gnt-backup import``, which was
1118 - Fixed detection of OS script errors in ``gnt-backup export``
1119 - Fixed exit code of ``gnt-backup export``
1125 *(Released Fri, 17 Jul 2009)*
1127 - Added experimental support for stripped logical volumes; this should
1128 enhance performance but comes with a higher complexity in the block
1129 device handling; stripping is only enabled when passing
1130 ``--with-lvm-stripecount=N`` to ``configure``, but codepaths are
1131 affected even in the non-stripped mode
1132 - Improved resiliency against transient failures at the end of DRBD
1133 resyncs, and in general of DRBD resync checks
1134 - Fixed a couple of issues with exports and snapshot errors
1135 - Fixed a couple of issues in instance listing
1136 - Added display of the disk size in ``gnt-instance info``
1137 - Fixed checking for valid OSes in instance creation
1138 - Fixed handling of the "vcpus" parameter in instance listing and in
1139 general of invalid parameters
1140 - Fixed http server library, and thus RAPI, to handle invalid
1141 username/password combinations correctly; this means that now they
1142 report unauthorized for queries too, not only for modifications,
1143 allowing earlier detect of configuration problems
1144 - Added a new "role" node list field, equivalent to the master/master
1145 candidate/drained/offline flags combinations
1146 - Fixed cluster modify and changes of candidate pool size
1147 - Fixed cluster verify error messages for wrong files on regular nodes
1148 - Fixed a couple of issues with node demotion from master candidate role
1149 - Fixed node readd issues
1150 - Added non-interactive mode for ``ganeti-masterd --no-voting`` startup
1151 - Added a new ``--no-voting`` option for masterfailover to fix failover
1152 on two-nodes clusters when the former master node is unreachable
1153 - Added instance reinstall over RAPI
1159 *(Released Tue, 16 Jun 2009)*
1161 - added ``-H``/``-B`` startup parameters to ``gnt-instance``, which will
1162 allow re-adding the start in single-user option (regression from 1.2)
1163 - the watcher writes the instance status to a file, to allow monitoring
1164 to report the instance status (from the master) based on cached
1165 results of the watcher's queries; while this can get stale if the
1166 watcher is being locked due to other work on the cluster, this is
1167 still an improvement
1168 - the watcher now also restarts the node daemon and the rapi daemon if
1170 - fixed the watcher to handle full and drained queue cases
1171 - hooks export more instance data in the environment, which helps if
1172 hook scripts need to take action based on the instance's properties
1173 (no longer need to query back into ganeti)
1174 - instance failovers when the instance is stopped do not check for free
1175 RAM, so that failing over a stopped instance is possible in low memory
1177 - rapi uses queries for tags instead of jobs (for less job traffic), and
1178 for cluster tags it won't talk to masterd at all but read them from
1180 - a couple of error handling fixes in RAPI
1181 - drbd handling: improved the error handling of inconsistent disks after
1182 resync to reduce the frequency of "there are some degraded disks for
1183 this instance" messages
1184 - fixed a bug in live migration when DRBD doesn't want to reconnect (the
1185 error handling path called a wrong function name)
1191 *(Released Wed, 27 May 2009)*
1193 - no changes from rc5
1196 Version 2.0 release candidate 5
1197 -------------------------------
1199 *(Released Wed, 20 May 2009)*
1201 - fix a couple of bugs (validation, argument checks)
1202 - fix ``gnt-cluster getmaster`` on non-master nodes (regression)
1203 - some small improvements to RAPI and IAllocator
1204 - make watcher automatically start the master daemon if down
1207 Version 2.0 release candidate 4
1208 -------------------------------
1210 *(Released Mon, 27 Apr 2009)*
1212 - change the OS list to not require locks; this helps with big clusters
1213 - fix ``gnt-cluster verify`` and ``gnt-cluster verify-disks`` when the
1214 volume group is broken
1215 - ``gnt-instance info``, without any arguments, doesn't run for all
1216 instances anymore; either pass ``--all`` or pass the desired
1217 instances; this helps against mistakes on big clusters where listing
1218 the information for all instances takes a long time
1219 - miscellaneous doc and man pages fixes
1222 Version 2.0 release candidate 3
1223 -------------------------------
1225 *(Released Wed, 8 Apr 2009)*
1227 - Change the internal locking model of some ``gnt-node`` commands, in
1228 order to reduce contention (and blocking of master daemon) when
1229 batching many creation/reinstall jobs
1230 - Fixes to Xen soft reboot
1231 - No longer build documentation at build time, instead distribute it in
1232 the archive, in order to reduce the need for the whole docbook/rst
1236 Version 2.0 release candidate 2
1237 -------------------------------
1239 *(Released Fri, 27 Mar 2009)*
1241 - Now the cfgupgrade scripts works and can upgrade 1.2.7 clusters to 2.0
1242 - Fix watcher startup sequence, improves the behaviour of busy clusters
1243 - Some other fixes in ``gnt-cluster verify``, ``gnt-instance
1244 replace-disks``, ``gnt-instance add``, ``gnt-cluster queue``, KVM VNC
1245 bind address and other places
1246 - Some documentation fixes and updates
1249 Version 2.0 release candidate 1
1250 -------------------------------
1252 *(Released Mon, 2 Mar 2009)*
1254 - More documentation updates, now all docs should be more-or-less
1256 - A couple of small fixes (mixed hypervisor clusters, offline nodes,
1258 - Added a customizable HV_KERNEL_ARGS hypervisor parameter (for Xen PVM
1260 - Fix an issue related to $libdir/run/ganeti and cluster creation
1266 *(Released Thu, 19 Feb 2009)*
1268 - Xen PVM and KVM have switched the default value for the instance root
1269 disk to the first partition on the first drive, instead of the whole
1270 drive; this means that the OS installation scripts must be changed
1272 - Man pages have been updated
1273 - RAPI has been switched by default to HTTPS, and the exported functions
1274 should all work correctly
1275 - RAPI v1 has been removed
1276 - Many improvements to the KVM hypervisor
1277 - Block device errors are now better reported
1278 - Many other bugfixes and small improvements
1284 *(Released Mon, 26 Jan 2009)*
1286 - Version 2 is a general rewrite of the code and therefore the
1287 differences are too many to list, see the design document for 2.0 in
1288 the ``doc/`` subdirectory for more details
1289 - In this beta version there is not yet a migration path from 1.2 (there
1290 will be one in the final 2.0 release)
1291 - A few significant changes are:
1293 - all commands are executed by a daemon (``ganeti-masterd``) and the
1294 various ``gnt-*`` commands are just front-ends to it
1295 - all the commands are entered into, and executed from a job queue,
1296 see the ``gnt-job(8)`` manpage
1297 - the RAPI daemon supports read-write operations, secured by basic
1298 HTTP authentication on top of HTTPS
1299 - DRBD version 0.7 support has been removed, DRBD 8 is the only
1300 supported version (when migrating from Ganeti 1.2 to 2.0, you need
1301 to migrate to DRBD 8 first while still running Ganeti 1.2)
1302 - DRBD devices are using statically allocated minor numbers, which
1303 will be assigned to existing instances during the migration process
1304 - there is support for both Xen PVM and Xen HVM instances running on
1306 - KVM virtualization is supported too
1307 - file-based storage has been implemented, which means that it is
1308 possible to run the cluster without LVM and DRBD storage, for
1309 example using a shared filesystem exported from shared storage (and
1310 still have live migration)
1316 *(Released Tue, 13 Jan 2009)*
1318 - Change the default reboot type in ``gnt-instance reboot`` to "hard"
1319 - Reuse the old instance mac address by default on instance import, if
1320 the instance name is the same.
1321 - Handle situations in which the node info rpc returns incomplete
1323 - Add checks for tcp/udp ports collisions in ``gnt-cluster verify``
1324 - Improved version of batcher:
1326 - state file support
1327 - instance mac address support
1328 - support for HVM clusters/instances
1330 - Add an option to show the number of cpu sockets and nodes in
1332 - Support OSes that handle more than one version of the OS api (but do
1333 not change the current API in any other way)
1334 - Fix ``gnt-node migrate``
1335 - ``gnt-debug`` man page
1336 - Fixes various more typos and small issues
1337 - Increase disk resync maximum speed to 60MB/s (from 30MB/s)
1343 *(Released Wed, 24 Sep 2008)*
1345 - new ``--hvm-nic-type`` and ``--hvm-disk-type`` flags to control the
1346 type of disk exported to fully virtualized instances.
1347 - provide access to the serial console of HVM instances
1348 - instance auto_balance flag, set by default. If turned off it will
1349 avoid warnings on cluster verify if there is not enough memory to fail
1350 over an instance. in the future it will prevent automatically failing
1351 it over when we will support that.
1352 - batcher tool for instance creation, see ``tools/README.batcher``
1353 - ``gnt-instance reinstall --select-os`` to interactively select a new
1354 operating system when reinstalling an instance.
1355 - when changing the memory amount on instance modify a check has been
1356 added that the instance will be able to start. also warnings are
1357 emitted if the instance will not be able to fail over, if auto_balance
1359 - documentation fixes
1360 - sync fields between ``gnt-instance list/modify/add/import``
1361 - fix a race condition in drbd when the sync speed was set after giving
1362 the device a remote peer.
1368 *(Released Tue, 22 Jul 2008)*
1370 - note: the allowed size and number of tags per object were reduced
1371 - fix a bug in ``gnt-cluster verify`` with inconsistent volume groups
1372 - fixed twisted 8.x compatibility
1373 - fixed ``gnt-instance replace-disks`` with iallocator
1374 - add TCP keepalives on twisted connections to detect restarted nodes
1375 - disk increase support, see ``gnt-instance grow-disk``
1376 - implement bulk node/instance query for RAPI
1377 - add tags in node/instance listing (optional)
1378 - experimental migration (and live migration) support, read the man page
1379 for ``gnt-instance migrate``
1380 - the ``ganeti-watcher`` logs are now timestamped, and the watcher also
1381 has some small improvements in handling its state file
1387 *(Released Fri, 13 Jun 2008)*
1389 - Experimental readonly, REST-based remote API implementation;
1390 automatically started on master node, TCP port 5080, if enabled by
1391 ``--enable-rapi`` parameter to configure script.
1392 - Instance allocator support. Add and import instance accept a
1393 ``--iallocator`` parameter, and call that instance allocator to decide
1394 which node to use for the instance. The iallocator document describes
1395 what's expected from an allocator script.
1396 - ``gnt-cluster verify`` N+1 memory redundancy checks: Unless passed the
1397 ``--no-nplus1-mem`` option ``gnt-cluster verify`` now checks that if a
1398 node is lost there is still enough memory to fail over the instances
1400 - ``gnt-cluster verify`` hooks: it is now possible to add post-hooks to
1401 ``gnt-cluster verify``, to check for site-specific compliance. All the
1402 hooks will run, and their output, if any, will be displayed. Any
1403 failing hook will make the verification return an error value.
1404 - ``gnt-cluster verify`` now checks that its peers are reachable on the
1405 primary and secondary interfaces
1406 - ``gnt-node add`` now supports the ``--readd`` option, to readd a node
1407 that is still declared as part of the cluster and has failed.
1408 - ``gnt-* list`` commands now accept a new ``-o +field`` way of
1409 specifying output fields, that just adds the chosen fields to the
1411 - ``gnt-backup`` now has a new ``remove`` command to delete an existing
1412 export from the filesystem.
1413 - New per-instance parameters hvm_acpi, hvm_pae and hvm_cdrom_image_path
1414 have been added. Using them you can enable/disable acpi and pae
1415 support, and specify a path for a cd image to be exported to the
1416 instance. These parameters as the name suggest only work on HVM
1418 - When upgrading an HVM cluster to Ganeti 1.2.4, the values for ACPI and
1419 PAE support will be set to the previously hardcoded values, but the
1420 (previously hardcoded) path to the CDROM ISO image will be unset and
1421 if required, needs to be set manually with ``gnt-instance modify``
1423 - The address to which an instance's VNC console is bound is now
1424 selectable per-instance, rather than being cluster wide. Of course
1425 this only applies to instances controlled via VNC, so currently just
1426 applies to HVM clusters.
1432 *(Released Mon, 18 Feb 2008)*
1434 - more tweaks to the disk activation code (especially helpful for DRBD)
1435 - change the default ``gnt-instance list`` output format, now there is
1436 one combined status field (see the manpage for the exact values this
1438 - some more fixes for the mac export to hooks change
1439 - make Ganeti not break with DRBD 8.2.x (which changed the version
1440 format in ``/proc/drbd``) (issue 24)
1441 - add an upgrade tool from "remote_raid1" disk template to "drbd" disk
1442 template, allowing migration from DRBD0.7+MD to DRBD8
1448 *(Released Wed, 30 Jan 2008)*
1450 - fix ``gnt-instance modify`` breakage introduced in 1.2.1 with the HVM
1452 - add command aliases infrastructure and a few aliases
1453 - allow listing of VCPUs in the ``gnt-instance list`` and improve the
1454 man pages and the ``--help`` option of ``gnt-node
1455 list``/``gnt-instance list``
1456 - fix ``gnt-backup list`` with down nodes (issue 21)
1457 - change the tools location (move from $pkgdatadir to $pkglibdir/tools)
1458 - fix the dist archive and add a check for including svn/git files in
1460 - some developer-related changes: improve the burnin and the QA suite,
1461 add an upload script for testing during development
1467 *(Released Wed, 16 Jan 2008)*
1469 - experimental HVM support, read the install document, section
1470 "Initializing the cluster"
1471 - allow for the PVM hypervisor per-instance kernel and initrd paths
1472 - add a new command ``gnt-cluster verify-disks`` which uses a new
1473 algorithm to improve the reconnection of the DRBD pairs if the device
1474 on the secondary node has gone away
1475 - make logical volume code auto-activate LVs at disk activation time
1476 - slightly improve the speed of activating disks
1477 - allow specification of the MAC address at instance creation time, and
1478 changing it later via ``gnt-instance modify``
1479 - fix handling of external commands that generate lots of output on
1481 - update documentation with regard to minimum version of DRBD8 supported
1487 *(Released Tue, 4 Dec 2007)*
1489 - Log the ``xm create`` output to the node daemon log on failure (to
1490 help diagnosing the error)
1491 - In debug mode, log all external commands output if failed to the logs
1492 - Change parsing of lvm commands to ignore stderr
1498 *(Released Wed, 28 Nov 2007)*
1500 - Another round of updates to the DRBD 8 code to deal with more failures
1501 in the replace secondary node operation
1502 - Some more logging of failures in disk operations (lvm, drbd)
1503 - A few documentation updates
1510 *(Released Tue, 13 Nov 2007)*
1512 - Change configuration file format from Python's Pickle to JSON.
1513 Upgrading is possible using the cfgupgrade utility.
1514 - Add support for DRBD 8.0 (new disk template ``drbd``) which allows for
1515 faster replace disks and is more stable (DRBD 8 has many improvements
1516 compared to DRBD 0.7)
1517 - Added command line tags support (see man pages for ``gnt-instance``,
1518 ``gnt-node``, ``gnt-cluster``)
1519 - Added instance rename support
1520 - Added multi-instance startup/shutdown
1521 - Added cluster rename support
1522 - Added ``gnt-node evacuate`` to simplify some node operations
1523 - Added instance reboot operation that can speedup reboot as compared to
1525 - Soften the requirement that hostnames are in FQDN format
1526 - The ``ganeti-watcher`` now activates drbd pairs after secondary node
1528 - Removed dependency on debian's patched fping that uses the
1529 non-standard ``-S`` option
1530 - Now the OS definitions are searched for in multiple, configurable
1531 paths (easier for distros to package)
1532 - Some changes to the hooks infrastructure (especially the new
1533 post-configuration update hook)
1534 - Other small bugfixes
1536 .. vim: set textwidth=72 syntax=rst :