7 *(Released Mon, 23 Aug 2010)*
9 - Support DRBD versions of the format "a.b.c.d"
11 - Re-introduce support for usage from multiple threads in RAPI client
12 - Instance renames and modify via RAPI
13 - Work around race condition between processing and archival in job
15 - Mark opcodes following failed one as failed, too
16 - Job field ``lock_status`` was removed due to difficulties making it
17 work with the changed job queue in Ganeti 2.2; a better way to monitor
18 locks is expected for a later 2.2.x release
19 - Fixed dry-run behaviour with many commands
20 - Support ``ssh-agent`` again when adding nodes
21 - Many additional bugfixes
27 *(Released Fri, 30 Jul 2010)*
29 Important change: the internal RPC mechanism between Ganeti nodes has
30 changed from using a home-grown http library (based on the Python base
31 libraries) to use the PycURL library. This requires that PycURL is
32 installed on nodes. Please note that on Debian/Ubuntu, PycURL is linked
33 against GnuTLS by default. cURL's support for GnuTLS had known issues
34 before cURL 7.21.0 and we recommend using the latest cURL release or
35 linking against OpenSSL. Most other distributions already link PycURL
36 and cURL against OpenSSL. The command::
38 python -c 'import pycurl; print pycurl.version'
40 can be used to determine the libraries PycURL and cURL are linked
43 Other significant changes:
45 - Rewrote much of the internals of the job queue, in order to achieve
46 better parallelism; this decouples job query operations from the job
47 processing, and it should allow much nicer behaviour of the master
48 daemon under load, and it also has uncovered some long-standing bugs
49 related to the job serialisation (now fixed)
50 - Added a default iallocator setting to the cluster parameters,
51 eliminating the need to always pass nodes or an iallocator for
52 operations that require selection of new node(s)
53 - Added experimental support for the LXC virtualization method
54 - Added support for OS parameters, which allows the installation of
55 instances to pass parameter to OS scripts in order to customise the
57 - Added a hypervisor parameter controlling the migration type (live or
58 non-live), since hypervisors have various levels of reliability; this
59 has renamed the 'live' parameter to 'mode'
60 - Added a cluster parameter ``reserved_lvs`` that denotes reserved
61 logical volumes, meaning that cluster verify will ignore them and not
62 flag their presence as errors
63 - The watcher will now reset the error count for failed instances after
64 8 hours, thus allowing self-healing if the problem that caused the
65 instances to be down/fail to start has cleared in the meantime
66 - Added a cluster parameter ``drbd_usermode_helper`` that makes Ganeti
67 check for, and warn, if the drbd module parameter ``usermode_helper``
68 is not consistent with the cluster-wide setting; this is needed to
69 make diagnose easier of failed drbd creations
70 - Started adding base IPv6 support, but this is not yet
71 enabled/available for use
72 - Rename operations (cluster, instance) will now return the new name,
73 which is especially useful if a short name was passed in
74 - Added support for instance migration in RAPI
75 - Added a tool to pre-configure nodes for the SSH setup, before joining
76 them to the cluster; this will allow in the future a simplified model
77 for node joining (but not yet fully enabled in 2.2); this needs the
78 paramiko python library
79 - Fixed handling of name-resolving errors
80 - Fixed consistency of job results on the error path
81 - Fixed master-failover race condition when executed multiple times in
83 - Fixed many bugs related to the job queue (mostly introduced during the
84 2.2 development cycle, so not all are impacting 2.1)
85 - Fixed instance migration with missing disk symlinks
86 - Fixed handling of unknown jobs in ``gnt-job archive``
87 - And many other small fixes/improvements
91 - Enhanced both the unittest and the QA coverage
92 - Switched the opcode validation to a generic model, and extended the
93 validation to all opcode parameters
94 - Changed more parts of the code that write shell scripts to use the
96 - Switched the master daemon to use the asyncore library for the Luxi
103 *(Released Thu, 17 Jun 2010)*
105 - Added tool (``move-instance``) and infrastructure to move instances
106 between separate clusters (see :doc:`separate documentation
107 <move-instance>` and :doc:`design document <design-2.2>`)
108 - Added per-request RPC timeout
109 - RAPI now requires a Content-Type header for requests with a body (e.g.
110 ``PUT`` or ``POST``) which must be set to ``application/json`` (see
111 :rfc:`2616` (HTTP/1.1), section 7.2.1)
112 - ``ganeti-watcher`` attempts to restart ``ganeti-rapi`` if RAPI is not
114 - Implemented initial support for running Ganeti daemons as separate
115 users, see configure-time flags ``--with-user-prefix`` and
116 ``--with-group-prefix`` (only ``ganeti-rapi`` is supported at this
118 - Instances can be removed after export (``gnt-backup export
120 - Self-signed certificates generated by Ganeti now use a 2048 bit RSA
121 key (instead of 1024 bit)
122 - Added new cluster configuration file for cluster domain secret
123 - Import/export now use SSL instead of SSH
124 - Added support for showing estimated time when exporting an instance,
125 see the ``ganeti-os-interface(7)`` manpage and look for
132 *(Released Fri, 16 Jul 2010)*
135 - Add an option to only select some reboot types during qa/burnin.
136 (on some hypervisors consequent reboots are not supported)
137 - Fix infrequent race condition in master failover. Sometimes the old
138 master ip address would be still detected as up for a short time
139 after it was removed, causing failover to fail.
140 - Decrease mlockall warnings when the ctypes module is missing. On
141 Python 2.4 we support running even if no ctypes module is installed,
142 but we were too verbose about this issue.
143 - Fix building on old distributions, on which man doesn't have a
145 - Fix RAPI not to ignore the MAC address on instance creation
146 - Implement the old instance creation format in the RAPI client.
152 *(Released Thu, 01 Jul 2010)*
154 A small bugfix release:
155 - Fix disk adoption: broken by strict --disk option checking in 2.1.4
156 - Fix batch-create: broken in the whole 2.1 series due to a lookup on
157 a non-existing option
158 - Fix instance create: the --force-variant option was ignored
159 - Improve pylint 0.21 compatibility and warnings with Python 2.6
160 - Fix modify node storage with non-FQDN arguments
161 - Fix RAPI client to authenticate under Python 2.6 when used
162 for more than 5 requests needing authentication
163 - Fix gnt-instance modify -t (storage) giving a wrong error message
164 when converting a non-shutdown drbd instance to plain
170 *(Released Fri, 18 Jun 2010)*
172 A small bugfix release:
174 - Fix live migration of KVM instances started with older Ganeti
175 versions which had fewer hypervisor parameters
176 - Fix gnt-instance grow-disk on down instances
177 - Fix an error-reporting bug during instance migration
178 - Better checking of the ``--net`` and ``--disk`` values, to avoid
179 silently ignoring broken ones
180 - Fix an RPC error reporting bug affecting, for example, RAPI client
182 - Fix bug triggered by different API version os-es on different nodes
183 - Fix a bug in instance startup with custom hvparams: OS level
184 parameters would fail to be applied.
185 - Fix the RAPI client under Python 2.6 (but more work is needed to
186 make it work completely well with OpenSSL)
187 - Fix handling of errors when resolving names from DNS
193 *(Released Thu, 3 Jun 2010)*
195 A medium sized development cycle. Some new features, and some
196 fixes/small improvements/cleanups.
201 The node deamon now tries to mlock itself into memory, unless the
202 ``--no-mlock`` flag is passed. It also doesn't fail if it can't write
203 its logs, and falls back to console logging. This allows emergency
204 features such as ``gnt-node powercycle`` to work even in the event of a
205 broken node disk (tested offlining the disk hosting the node's
206 filesystem and dropping its memory caches; don't try this at home)
208 KVM: add vhost-net acceleration support. It can be tested with a new
209 enough version of the kernel and of qemu-kvm.
211 KVM: Add instance chrooting feature. If you use privilege dropping for
212 your VMs you can also now force them to chroot to an empty directory,
213 before starting the emulated guest.
215 KVM: Add maximum migration bandwith and maximum downtime tweaking
216 support (requires a new-enough version of qemu-kvm).
218 Cluster verify will now warn if the master node doesn't have the master
221 Add a new (incompatible) instance creation request format to RAPI which
222 supports all parameters (previously only a subset was supported, and it
223 wasn't possible to extend the old format to accomodate all the new
224 features. The old format is still supported, and a client can check for
225 this feature, before using it, by checking for its presence in the
226 ``features`` RAPI resource.
228 Now with ancient latin support. Try it passing the ``--roman`` option to
229 ``gnt-instance info``, ``gnt-cluster info`` or ``gnt-node list``
230 (requires the python-roman module to be installed, in order to work).
235 As usual many internal code refactorings, documentation updates, and
238 - Lots of improvements and cleanups to the experimental Remote API
239 (RAPI) client library.
240 - A new unit test suite for the core daemon libraries.
241 - A fix to creating missing directories makes sure the umask is not
242 applied anymore. This enforces the same directory permissions
244 - Better handling terminating daemons with ctrl+c (used when running
245 them in debugging mode).
246 - Fix a race condition in live migrating a KVM instance, when stat()
247 on the old proc status file returned EINVAL, which is an unexpected
249 - Fixed manpage checking with newer man and utf-8 charachters. But now
250 you need the en_US.UTF-8 locale enabled to build Ganeti from git.
256 *(Released Fri, 7 May 2010)*
258 Fix a bug which prevented untagged KVM instances from starting.
264 *(Released Fri, 7 May 2010)*
266 Another release with a long development cycle, during which many
267 different features were added.
272 The KVM hypervisor now can run the individual instances as non-root, to
273 reduce the impact of a VM being hijacked due to bugs in the
274 hypervisor. It is possible to run all instances as a single (non-root)
275 user, to manually specify a user for each instance, or to dynamically
276 allocate a user out of a cluster-wide pool to each instance, with the
277 guarantee that no two instances will run under the same user ID on any
280 An experimental RAPI client library, that can be used standalone
281 (without the other Ganeti libraries), is provided in the source tree as
282 ``lib/rapi/client.py``. Note this client might change its interface in
283 the future, as we iterate on its capabilities.
285 A new command, ``gnt-cluster renew-crypto`` has been added to easily
286 replace the cluster's certificates and crypto keys. This might help in
287 case they have been compromised, or have simply expired.
289 A new disk option for instance creation has been added that allows one
290 to "adopt" currently existing logical volumes, with data
291 preservation. This should allow easier migration to Ganeti from
292 unmanaged (or managed via other software) instances.
294 Another disk improvement is the possibility to convert between redundant
295 (DRBD) and plain (LVM) disk configuration for an instance. This should
296 allow better scalability (starting with one node and growing the
297 cluster, or shrinking a two-node cluster to one node).
299 A new feature that could help with automated node failovers has been
300 implemented: if a node sees itself as offline (by querying the master
301 candidates), it will try to shutdown (hard) all instances and any active
302 DRBD devices. This reduces the risk of duplicate instances if an
303 external script automatically failovers the instances on such nodes. To
304 enable this, the cluster parameter ``maintain_node_health`` should be
305 enabled; in the future this option (per the name) will enable other
306 automatic maintenance features.
308 Instance export/import now will reuse the original instance
309 specifications for all parameters; that means exporting an instance,
310 deleting it and the importing it back should give an almost identical
311 instance. Note that the default import behaviour has changed from
312 before, where it created only one NIC; now it recreates the original
315 Cluster verify has added a few new checks: SSL certificates validity,
316 /etc/hosts consistency across the cluster, etc.
321 As usual, many internal changes were done, documentation fixes,
324 - Fixed cluster initialization with disabled cluster storage (regression
326 - File-based storage supports growing the disks
327 - Fixed behaviour of node role changes
328 - Fixed cluster verify for some corner cases, plus a general rewrite of
329 cluster verify to allow future extension with more checks
330 - Fixed log spamming by watcher and node daemon (regression introduced
332 - Fixed possible validation issues when changing the list of enabled
334 - Fixed cleanup of /etc/hosts during node removal
335 - Fixed RAPI response for invalid methods
336 - Fixed bug with hashed passwords in ``ganeti-rapi`` daemon
337 - Multiple small improvements to the KVM hypervisor (VNC usage, booting
338 from ide disks, etc.)
339 - Allow OS changes without re-installation (to record a changed OS
340 outside of Ganeti, or to allow OS renames)
341 - Allow instance creation without OS installation (useful for example if
342 the OS will be installed manually, or restored from a backup not in
344 - Implemented option to make cluster ``copyfile`` use the replication
346 - Added list of enabled hypervisors to ssconf (possibly useful for
348 - Added a new tool (``tools/cfgupgrade12``) that allows upgrading from
350 - A partial form of node re-IP is possible via node readd, which now
351 allows changed node primary IP
352 - Command line utilities now show an informational message if the job is
354 - The logs of the master daemon now show the PID/UID/GID of the
361 *(Released Fri, 12 Mar 2010)*
363 During the 2.1.0 long release candidate cycle, a lot of improvements and
364 changes have accumulated with were released later as 2.1.1.
369 The node evacuate command (``gnt-node evacuate``) was significantly
370 rewritten, and as such the IAllocator protocol was changed - a new
371 request type has been added. This unfortunate change during a stable
372 series is designed to improve performance of node evacuations; on
373 clusters with more than about five nodes and which are well-balanced,
374 evacuation should proceed in parallel for all instances of the node
375 being evacuated. As such, any existing IAllocator scripts need to be
376 updated, otherwise the above command will fail due to the unknown
377 request. The provided "dumb" allocator has not been updated; but the
378 ganeti-htools package supports the new protocol since version 0.2.4.
380 Another important change is increased validation of node and instance
381 names. This might create problems in special cases, if invalid host
382 names are being used.
384 Also, a new layer of hypervisor parameters has been added, that sits at
385 OS level between the cluster defaults and the instance ones. This allows
386 customisation of virtualization parameters depending on the installed
387 OS. For example instances with OS 'X' may have a different KVM kernel
388 (or any other parameter) than the cluster defaults. This is intended to
389 help managing a multiple OSes on the same cluster, without manual
390 modification of each instance's parameters.
392 A tool for merging clusters, ``cluster-merge``, has been added in the
398 - Improved the int/float conversions that should make the code more
399 robust in face of errors from the node daemons
400 - Fixed the remove node code in case of internal configuration errors
401 - Fixed the node daemon behaviour in face of inconsistent queue
402 directory (e.g. read-only file-system where we can't open the files
404 - Fixed the behaviour of gnt-node modify for master candidate demotion;
405 now it either aborts cleanly or, if given the new “auto_promote”
406 parameter, will automatically promote other nodes as needed
407 - Fixed compatibility with (unreleased yet) Python 2.6.5 that would
408 completely prevent Ganeti from working
409 - Fixed bug for instance export when not all disks were successfully
411 - Fixed behaviour of node add when the new node is slow in starting up
413 - Fixed handling of signals in the LUXI client, which should improve
414 behaviour of command-line scripts
415 - Added checks for invalid node/instance names in the configuration (now
416 flagged during cluster verify)
417 - Fixed watcher behaviour for disk activation errors
418 - Fixed two potentially endless loops in http library, which led to the
419 RAPI daemon hanging and consuming 100% CPU in some cases
420 - Fixed bug in RAPI daemon related to hashed passwords
421 - Fixed bug for unintended qemu-level bridging of multi-NIC KVM
423 - Enhanced compatibility with non-Debian OSes, but not using absolute
424 path in some commands and allowing customisation of the ssh
425 configuration directory
426 - Fixed possible future issue with new Python versions by abiding to the
427 proper use of ``__slots__`` attribute on classes
428 - Added checks that should prevent directory traversal attacks
429 - Many documentation fixes based on feedback from users
434 - Added an “early_release” more for instance replace disks and node
435 evacuate, where we release locks earlier and thus allow higher
436 parallelism within the cluster
437 - Added watcher hooks, intended to allow the watcher to restart other
438 daemons (e.g. from the ganeti-nbma project), but they can be used of
439 course for any other purpose
440 - Added a compile-time disable for DRBD barriers, to increase
441 performance if the administrator trusts the power supply or the
442 storage system to not lose writes
443 - Added the option of using syslog for logging instead of, or in
444 addition to, Ganeti's own log files
445 - Removed boot restriction for paravirtual NICs for KVM, recent versions
446 can indeed boot from a paravirtual NIC
447 - Added a generic debug level for many operations; while this is not
448 used widely yet, it allows one to pass the debug value all the way to
450 - Enhanced the hooks environment for instance moves (failovers,
451 migrations) where the primary/secondary nodes changed during the
452 operation, by adding {NEW,OLD}_{PRIMARY,SECONDARY} vars
453 - Enhanced data validations for many user-supplied values; one important
454 item is the restrictions imposed on instance and node names, which
455 might reject some (invalid) host names
456 - Add a configure-time option to disable file-based storage, if it's not
457 needed; this allows greater security separation between the master
458 node and the other nodes from the point of view of the inter-node RPC
460 - Added user notification in interactive tools if job is waiting in the
461 job queue or trying to acquire locks
462 - Added log messages when a job is waiting for locks
463 - Added filtering by node tags in instance operations which admit
464 multiple instances (start, stop, reboot, reinstall)
465 - Added a new tool for cluster mergers, ``cluster-merge``
466 - Parameters from command line which are of the form ``a=b,c=d`` can now
467 use backslash escapes to pass in values which contain commas,
468 e.g. ``a=b\\c,d=e`` where the 'a' parameter would get the value
470 - For KVM, the instance name is the first parameter passed to KVM, so
471 that it's more visible in the process list
477 *(Released Tue, 2 Mar 2010)*
479 Ganeti 2.1 brings many improvements with it. Major changes:
481 - Added infrastructure to ease automated disk repairs
482 - Added new daemon to export configuration data in a cheaper way than
484 - Instance NICs can now be routed instead of being associated with a
486 - Improved job locking logic to reduce impact of jobs acquiring multiple
487 locks waiting for other long-running jobs
489 In-depth implementation details can be found in the Ganeti 2.1 design
495 - Added chroot hypervisor
496 - Added more options to xen-hvm hypervisor (``kernel_path`` and
498 - Added more options to xen-pvm hypervisor (``use_bootloader``,
499 ``bootloader_path`` and ``bootloader_args``)
500 - Added the ``use_localtime`` option for the xen-hvm and kvm
501 hypervisors, and the default value for this has changed to false (in
502 2.0 xen-hvm always enabled it)
503 - Added luxi call to submit multiple jobs in one go
504 - Added cluster initialization option to not modify ``/etc/hosts``
506 - Added network interface parameters
507 - Added dry run mode to some LUs
508 - Added RAPI resources:
510 - ``/2/instances/[instance_name]/info``
511 - ``/2/instances/[instance_name]/replace-disks``
512 - ``/2/nodes/[node_name]/evacuate``
513 - ``/2/nodes/[node_name]/migrate``
514 - ``/2/nodes/[node_name]/role``
515 - ``/2/nodes/[node_name]/storage``
516 - ``/2/nodes/[node_name]/storage/modify``
517 - ``/2/nodes/[node_name]/storage/repair``
519 - Added OpCodes to evacuate or migrate all instances on a node
520 - Added new command to list storage elements on nodes (``gnt-node
521 list-storage``) and modify them (``gnt-node modify-storage``)
522 - Added new ssconf files with master candidate IP address
523 (``ssconf_master_candidates_ips``), node primary IP address
524 (``ssconf_node_primary_ips``) and node secondary IP address
525 (``ssconf_node_secondary_ips``)
526 - Added ``ganeti-confd`` and a client library to query the Ganeti
527 configuration via UDP
528 - Added ability to run hooks after cluster initialization and before
530 - Added automatic mode for disk replace (``gnt-instance replace-disks
532 - Added ``gnt-instance recreate-disks`` to re-create (empty) disks
533 after catastrophic data-loss
534 - Added ``gnt-node repair-storage`` command to repair damaged LVM volume
536 - Added ``gnt-instance move`` command to move instances
537 - Added ``gnt-cluster watcher`` command to control watcher
538 - Added ``gnt-node powercycle`` command to powercycle nodes
539 - Added new job status field ``lock_status``
540 - Added parseable error codes to cluster verification (``gnt-cluster
541 verify --error-codes``) and made output less verbose (use
542 ``--verbose`` to restore previous behaviour)
543 - Added UUIDs to the main config entities (cluster, nodes, instances)
544 - Added support for OS variants
545 - Added support for hashed passwords in the Ganeti remote API users file
547 - Added option to specify maximum timeout on instance shutdown
548 - Added ``--no-ssh-init`` option to ``gnt-cluster init``
549 - Added new helper script to start and stop Ganeti daemons
550 (``daemon-util``), with the intent to reduce the work necessary to
551 adjust Ganeti for non-Debian distributions and to start/stop daemons
553 - Added more unittests
554 - Fixed critical bug in ganeti-masterd startup
555 - Removed the configure-time ``kvm-migration-port`` parameter, this is
556 now customisable at the cluster level for both the KVM and Xen
557 hypervisors using the new ``migration_port`` parameter
558 - Pass ``INSTANCE_REINSTALL`` variable to OS installation script when
559 reinstalling an instance
560 - Allowed ``@`` in tag names
561 - Migrated to Sphinx (http://sphinx.pocoo.org/) for documentation
562 - Many documentation updates
563 - Distribute hypervisor files on ``gnt-cluster redist-conf``
564 - ``gnt-instance reinstall`` can now reinstall multiple instances
565 - Updated many command line parameters
566 - Introduced new OS API version 15
567 - No longer support a default hypervisor
568 - Treat virtual LVs as inexistent
569 - Improved job locking logic to reduce lock contention
570 - Match instance and node names case insensitively
571 - Reimplemented bash completion script to be more complete
578 *(Released Thu, 4 Feb 2010)*
580 - Fix cleaner behaviour on nodes not in a cluster (Debian bug 568105)
581 - Fix a string formatting bug
582 - Improve safety of the code in some error paths
583 - Improve data validation in the master of values returned from nodes
589 *(Released Thu, 17 Dec 2009)*
591 - Fix security issue due to missing validation of iallocator names; this
592 allows local and remote execution of arbitrary executables
593 - Fix failure of gnt-node list during instance removal
594 - Ship the RAPI documentation in the archive
600 *(Released Wed, 30 Sep 2009)*
602 - Fixed many wrong messages
603 - Fixed a few bugs related to the locking library
604 - Fixed MAC checking at instance creation time
605 - Fixed a DRBD parsing bug related to gaps in /proc/drbd
606 - Fixed a few issues related to signal handling in both daemons and
608 - Fixed the example startup script provided
609 - Fixed insserv dependencies in the example startup script (patch from
611 - Fixed handling of drained nodes in the iallocator framework
612 - Fixed handling of KERNEL_PATH parameter for xen-hvm (Debian bug
614 - Fixed error related to invalid job IDs in job polling
615 - Fixed job/opcode persistence on unclean master shutdown
616 - Fixed handling of partial job processing after unclean master
618 - Fixed error reporting from LUs, previously all errors were converted
619 into execution errors
620 - Fixed error reporting from burnin
621 - Decreased significantly the memory usage of the job queue
622 - Optimised slightly multi-job submission
623 - Optimised slightly opcode loading
624 - Backported the multi-job submit framework from the development
625 branch; multi-instance start and stop should be faster
626 - Added script to clean archived jobs after 21 days; this will reduce
627 the size of the queue directory
628 - Added some extra checks in disk size tracking
629 - Added an example ethers hook script
630 - Added a cluster parameter that prevents Ganeti from modifying of
632 - Added more node information to RAPI responses
633 - Added a ``gnt-job watch`` command that allows following the ouput of a
635 - Added a bind-address option to ganeti-rapi
636 - Added more checks to the configuration verify
637 - Enhanced the burnin script such that some operations can be retried
639 - Converted instance reinstall to multi-instance model
645 *(Released Fri, 7 Aug 2009)*
647 - Added ``--ignore-size`` to the ``gnt-instance activate-disks`` command
648 to allow using the pre-2.0.2 behaviour in activation, if any existing
649 instances have mismatched disk sizes in the configuration
650 - Added ``gnt-cluster repair-disk-sizes`` command to check and update
651 any configuration mismatches for disk sizes
652 - Added ``gnt-master cluste-failover --no-voting`` to allow master
653 failover to work on two-node clusters
654 - Fixed the ``--net`` option of ``gnt-backup import``, which was
656 - Fixed detection of OS script errors in ``gnt-backup export``
657 - Fixed exit code of ``gnt-backup export``
663 *(Released Fri, 17 Jul 2009)*
665 - Added experimental support for stripped logical volumes; this should
666 enhance performance but comes with a higher complexity in the block
667 device handling; stripping is only enabled when passing
668 ``--with-lvm-stripecount=N`` to ``configure``, but codepaths are
669 affected even in the non-stripped mode
670 - Improved resiliency against transient failures at the end of DRBD
671 resyncs, and in general of DRBD resync checks
672 - Fixed a couple of issues with exports and snapshot errors
673 - Fixed a couple of issues in instance listing
674 - Added display of the disk size in ``gnt-instance info``
675 - Fixed checking for valid OSes in instance creation
676 - Fixed handling of the "vcpus" parameter in instance listing and in
677 general of invalid parameters
678 - Fixed http server library, and thus RAPI, to handle invalid
679 username/password combinations correctly; this means that now they
680 report unauthorized for queries too, not only for modifications,
681 allowing earlier detect of configuration problems
682 - Added a new "role" node list field, equivalent to the master/master
683 candidate/drained/offline flags combinations
684 - Fixed cluster modify and changes of candidate pool size
685 - Fixed cluster verify error messages for wrong files on regular nodes
686 - Fixed a couple of issues with node demotion from master candidate role
687 - Fixed node readd issues
688 - Added non-interactive mode for ``ganeti-masterd --no-voting`` startup
689 - Added a new ``--no-voting`` option for masterfailover to fix failover
690 on two-nodes clusters when the former master node is unreachable
691 - Added instance reinstall over RAPI
697 *(Released Tue, 16 Jun 2009)*
699 - added ``-H``/``-B`` startup parameters to ``gnt-instance``, which will
700 allow re-adding the start in single-user option (regression from 1.2)
701 - the watcher writes the instance status to a file, to allow monitoring
702 to report the instance status (from the master) based on cached
703 results of the watcher's queries; while this can get stale if the
704 watcher is being locked due to other work on the cluster, this is
706 - the watcher now also restarts the node daemon and the rapi daemon if
708 - fixed the watcher to handle full and drained queue cases
709 - hooks export more instance data in the environment, which helps if
710 hook scripts need to take action based on the instance's properties
711 (no longer need to query back into ganeti)
712 - instance failovers when the instance is stopped do not check for free
713 RAM, so that failing over a stopped instance is possible in low memory
715 - rapi uses queries for tags instead of jobs (for less job traffic), and
716 for cluster tags it won't talk to masterd at all but read them from
718 - a couple of error handling fixes in RAPI
719 - drbd handling: improved the error handling of inconsistent disks after
720 resync to reduce the frequency of "there are some degraded disks for
721 this instance" messages
722 - fixed a bug in live migration when DRBD doesn't want to reconnect (the
723 error handling path called a wrong function name)
729 *(Released Wed, 27 May 2009)*
731 - no changes from rc5
734 Version 2.0 release candidate 5
735 -------------------------------
737 *(Released Wed, 20 May 2009)*
739 - fix a couple of bugs (validation, argument checks)
740 - fix ``gnt-cluster getmaster`` on non-master nodes (regression)
741 - some small improvements to RAPI and IAllocator
742 - make watcher automatically start the master daemon if down
745 Version 2.0 release candidate 4
746 -------------------------------
748 *(Released Mon, 27 Apr 2009)*
750 - change the OS list to not require locks; this helps with big clusters
751 - fix ``gnt-cluster verify`` and ``gnt-cluster verify-disks`` when the
752 volume group is broken
753 - ``gnt-instance info``, without any arguments, doesn't run for all
754 instances anymore; either pass ``--all`` or pass the desired
755 instances; this helps against mistakes on big clusters where listing
756 the information for all instances takes a long time
757 - miscellaneous doc and man pages fixes
760 Version 2.0 release candidate 3
761 -------------------------------
763 *(Released Wed, 8 Apr 2009)*
765 - Change the internal locking model of some ``gnt-node`` commands, in
766 order to reduce contention (and blocking of master daemon) when
767 batching many creation/reinstall jobs
768 - Fixes to Xen soft reboot
769 - No longer build documentation at build time, instead distribute it in
770 the archive, in order to reduce the need for the whole docbook/rst
774 Version 2.0 release candidate 2
775 -------------------------------
777 *(Released Fri, 27 Mar 2009)*
779 - Now the cfgupgrade scripts works and can upgrade 1.2.7 clusters to 2.0
780 - Fix watcher startup sequence, improves the behaviour of busy clusters
781 - Some other fixes in ``gnt-cluster verify``, ``gnt-instance
782 replace-disks``, ``gnt-instance add``, ``gnt-cluster queue``, KVM VNC
783 bind address and other places
784 - Some documentation fixes and updates
787 Version 2.0 release candidate 1
788 -------------------------------
790 *(Released Mon, 2 Mar 2009)*
792 - More documentation updates, now all docs should be more-or-less
794 - A couple of small fixes (mixed hypervisor clusters, offline nodes,
796 - Added a customizable HV_KERNEL_ARGS hypervisor parameter (for Xen PVM
798 - Fix an issue related to $libdir/run/ganeti and cluster creation
804 *(Released Thu, 19 Feb 2009)*
806 - Xen PVM and KVM have switched the default value for the instance root
807 disk to the first partition on the first drive, instead of the whole
808 drive; this means that the OS installation scripts must be changed
810 - Man pages have been updated
811 - RAPI has been switched by default to HTTPS, and the exported functions
812 should all work correctly
813 - RAPI v1 has been removed
814 - Many improvements to the KVM hypervisor
815 - Block device errors are now better reported
816 - Many other bugfixes and small improvements
822 *(Released Mon, 26 Jan 2009)*
824 - Version 2 is a general rewrite of the code and therefore the
825 differences are too many to list, see the design document for 2.0 in
826 the ``doc/`` subdirectory for more details
827 - In this beta version there is not yet a migration path from 1.2 (there
828 will be one in the final 2.0 release)
829 - A few significant changes are:
831 - all commands are executed by a daemon (``ganeti-masterd``) and the
832 various ``gnt-*`` commands are just front-ends to it
833 - all the commands are entered into, and executed from a job queue,
834 see the ``gnt-job(8)`` manpage
835 - the RAPI daemon supports read-write operations, secured by basic
836 HTTP authentication on top of HTTPS
837 - DRBD version 0.7 support has been removed, DRBD 8 is the only
838 supported version (when migrating from Ganeti 1.2 to 2.0, you need
839 to migrate to DRBD 8 first while still running Ganeti 1.2)
840 - DRBD devices are using statically allocated minor numbers, which
841 will be assigned to existing instances during the migration process
842 - there is support for both Xen PVM and Xen HVM instances running on
844 - KVM virtualization is supported too
845 - file-based storage has been implemented, which means that it is
846 possible to run the cluster without LVM and DRBD storage, for
847 example using a shared filesystem exported from shared storage (and
848 still have live migration)
854 *(Released Tue, 13 Jan 2009)*
856 - Change the default reboot type in ``gnt-instance reboot`` to "hard"
857 - Reuse the old instance mac address by default on instance import, if
858 the instance name is the same.
859 - Handle situations in which the node info rpc returns incomplete
861 - Add checks for tcp/udp ports collisions in ``gnt-cluster verify``
862 - Improved version of batcher:
865 - instance mac address support
866 - support for HVM clusters/instances
868 - Add an option to show the number of cpu sockets and nodes in
870 - Support OSes that handle more than one version of the OS api (but do
871 not change the current API in any other way)
872 - Fix ``gnt-node migrate``
873 - ``gnt-debug`` man page
874 - Fixes various more typos and small issues
875 - Increase disk resync maximum speed to 60MB/s (from 30MB/s)
881 *(Released Wed, 24 Sep 2008)*
883 - new ``--hvm-nic-type`` and ``--hvm-disk-type`` flags to control the
884 type of disk exported to fully virtualized instances.
885 - provide access to the serial console of HVM instances
886 - instance auto_balance flag, set by default. If turned off it will
887 avoid warnings on cluster verify if there is not enough memory to fail
888 over an instance. in the future it will prevent automatically failing
889 it over when we will support that.
890 - batcher tool for instance creation, see ``tools/README.batcher``
891 - ``gnt-instance reinstall --select-os`` to interactively select a new
892 operating system when reinstalling an instance.
893 - when changing the memory amount on instance modify a check has been
894 added that the instance will be able to start. also warnings are
895 emitted if the instance will not be able to fail over, if auto_balance
897 - documentation fixes
898 - sync fields between ``gnt-instance list/modify/add/import``
899 - fix a race condition in drbd when the sync speed was set after giving
900 the device a remote peer.
906 *(Released Tue, 22 Jul 2008)*
908 - note: the allowed size and number of tags per object were reduced
909 - fix a bug in ``gnt-cluster verify`` with inconsistent volume groups
910 - fixed twisted 8.x compatibility
911 - fixed ``gnt-instance replace-disks`` with iallocator
912 - add TCP keepalives on twisted connections to detect restarted nodes
913 - disk increase support, see ``gnt-instance grow-disk``
914 - implement bulk node/instance query for RAPI
915 - add tags in node/instance listing (optional)
916 - experimental migration (and live migration) support, read the man page
917 for ``gnt-instance migrate``
918 - the ``ganeti-watcher`` logs are now timestamped, and the watcher also
919 has some small improvements in handling its state file
925 *(Released Fri, 13 Jun 2008)*
927 - Experimental readonly, REST-based remote API implementation;
928 automatically started on master node, TCP port 5080, if enabled by
929 ``--enable-rapi`` parameter to configure script.
930 - Instance allocator support. Add and import instance accept a
931 ``--iallocator`` parameter, and call that instance allocator to decide
932 which node to use for the instance. The iallocator document describes
933 what's expected from an allocator script.
934 - ``gnt-cluster verify`` N+1 memory redundancy checks: Unless passed the
935 ``--no-nplus1-mem`` option ``gnt-cluster verify`` now checks that if a
936 node is lost there is still enough memory to fail over the instances
938 - ``gnt-cluster verify`` hooks: it is now possible to add post-hooks to
939 ``gnt-cluster verify``, to check for site-specific compliance. All the
940 hooks will run, and their output, if any, will be displayed. Any
941 failing hook will make the verification return an error value.
942 - ``gnt-cluster verify`` now checks that its peers are reachable on the
943 primary and secondary interfaces
944 - ``gnt-node add`` now supports the ``--readd`` option, to readd a node
945 that is still declared as part of the cluster and has failed.
946 - ``gnt-* list`` commands now accept a new ``-o +field`` way of
947 specifying output fields, that just adds the chosen fields to the
949 - ``gnt-backup`` now has a new ``remove`` command to delete an existing
950 export from the filesystem.
951 - New per-instance parameters hvm_acpi, hvm_pae and hvm_cdrom_image_path
952 have been added. Using them you can enable/disable acpi and pae
953 support, and specify a path for a cd image to be exported to the
954 instance. These parameters as the name suggest only work on HVM
956 - When upgrading an HVM cluster to Ganeti 1.2.4, the values for ACPI and
957 PAE support will be set to the previously hardcoded values, but the
958 (previously hardcoded) path to the CDROM ISO image will be unset and
959 if required, needs to be set manually with ``gnt-instance modify``
961 - The address to which an instance's VNC console is bound is now
962 selectable per-instance, rather than being cluster wide. Of course
963 this only applies to instances controlled via VNC, so currently just
964 applies to HVM clusters.
970 *(Released Mon, 18 Feb 2008)*
972 - more tweaks to the disk activation code (especially helpful for DRBD)
973 - change the default ``gnt-instance list`` output format, now there is
974 one combined status field (see the manpage for the exact values this
976 - some more fixes for the mac export to hooks change
977 - make Ganeti not break with DRBD 8.2.x (which changed the version
978 format in ``/proc/drbd``) (issue 24)
979 - add an upgrade tool from "remote_raid1" disk template to "drbd" disk
980 template, allowing migration from DRBD0.7+MD to DRBD8
986 *(Released Wed, 30 Jan 2008)*
988 - fix ``gnt-instance modify`` breakage introduced in 1.2.1 with the HVM
990 - add command aliases infrastructure and a few aliases
991 - allow listing of VCPUs in the ``gnt-instance list`` and improve the
992 man pages and the ``--help`` option of ``gnt-node
993 list``/``gnt-instance list``
994 - fix ``gnt-backup list`` with down nodes (issue 21)
995 - change the tools location (move from $pkgdatadir to $pkglibdir/tools)
996 - fix the dist archive and add a check for including svn/git files in
998 - some developer-related changes: improve the burnin and the QA suite,
999 add an upload script for testing during development
1005 *(Released Wed, 16 Jan 2008)*
1007 - experimental HVM support, read the install document, section
1008 "Initializing the cluster"
1009 - allow for the PVM hypervisor per-instance kernel and initrd paths
1010 - add a new command ``gnt-cluster verify-disks`` which uses a new
1011 algorithm to improve the reconnection of the DRBD pairs if the device
1012 on the secondary node has gone away
1013 - make logical volume code auto-activate LVs at disk activation time
1014 - slightly improve the speed of activating disks
1015 - allow specification of the MAC address at instance creation time, and
1016 changing it later via ``gnt-instance modify``
1017 - fix handling of external commands that generate lots of output on
1019 - update documentation with regard to minimum version of DRBD8 supported
1025 *(Released Tue, 4 Dec 2007)*
1027 - Log the ``xm create`` output to the node daemon log on failure (to
1028 help diagnosing the error)
1029 - In debug mode, log all external commands output if failed to the logs
1030 - Change parsing of lvm commands to ignore stderr
1036 *(Released Wed, 28 Nov 2007)*
1038 - Another round of updates to the DRBD 8 code to deal with more failures
1039 in the replace secondary node operation
1040 - Some more logging of failures in disk operations (lvm, drbd)
1041 - A few documentation updates
1048 *(Released Tue, 13 Nov 2007)*
1050 - Change configuration file format from Python's Pickle to JSON.
1051 Upgrading is possible using the cfgupgrade utility.
1052 - Add support for DRBD 8.0 (new disk template ``drbd``) which allows for
1053 faster replace disks and is more stable (DRBD 8 has many improvements
1054 compared to DRBD 0.7)
1055 - Added command line tags support (see man pages for ``gnt-instance``,
1056 ``gnt-node``, ``gnt-cluster``)
1057 - Added instance rename support
1058 - Added multi-instance startup/shutdown
1059 - Added cluster rename support
1060 - Added ``gnt-node evacuate`` to simplify some node operations
1061 - Added instance reboot operation that can speedup reboot as compared to
1063 - Soften the requirement that hostnames are in FQDN format
1064 - The ``ganeti-watcher`` now activates drbd pairs after secondary node
1066 - Removed dependency on debian's patched fping that uses the
1067 non-standard ``-S`` option
1068 - Now the OS definitions are searched for in multiple, configurable
1069 paths (easier for distros to package)
1070 - Some changes to the hooks infrastructure (especially the new
1071 post-configuration update hook)
1072 - Other small bugfixes
1074 .. vim: set textwidth=72 :
projects / ganeti-local / blob