1 Version 2.0 release candidate 3
2 - Change the internal locking model of some gnt-node commands, in
3 order to reduce contention (and blocking of master daemon) when
4 batching many creation/reinstall jobs
5 - Fixes to Xen soft reboot
6 - No longer build documentation at 'make' time, instead distribute it
7 in the archive, in order to reduce the need for the whole
10 Version 2.0 release candidate 2
11 - Now the cfgupgrade scripts works and can upgrade 1.2.7 clusters to
13 - Fix watcher startup sequence, improves the behaviour of busy
15 - Some other fixes in cluster verify, replace-disks, gnt-instance add,
16 gnt-cluster queue, KVM VNC bind address and other places
17 - Some documentation fixes and updates
19 Version 2.0 release candidate 1
20 - More documentation updates, now all docs should be more-or-less
22 - A couple of small fixes (mixed hypervisor clusters, offline nodes,
24 - Added a customizable HV_KERNEL_ARGS hypervisor parameter (for Xen
26 - Fix an issue related to $libdir/run/ganeti and cluster creation
29 - Xen PVM and KVM have switched the default value for the instance
30 root disk to the first partition on the first drive, instead of the
31 whole drive; this means that the OS installation scripts must be
33 - Man pages have been updated
34 - RAPI has been switched by default to HTTPS, and the exported
35 functions should all work correctly
36 - RAPI v1 has been removed
37 - Many improvements to the KVM hypervisor
38 - Block device errors are now better reported
39 - Many other bugfixes and small improvements
42 - Version 2 is a general rewrite of the code and therefore the
43 differences are too many to list, see the design document for 2.0 in
44 the doc/ subdirectory for more details
45 - In this beta version there is not yet a migration path from 1.2
46 (there will be one in the final 2.0 release)
47 - A few significant changes are:
48 - all commands are executed by a daemon (ganeti-masterd) and the
49 various gnt-* commands are just front-ends to it
50 - all the commands are entered into, and executed from a job queue,
52 - the RAPI daemon supports read-write operations, secured by basic
53 HTTP authentication on top of HTTPS
54 - DRBD version 0.7 support has been removed, DRBD 8 is the only
55 supported version (when migrating from Ganeti 1.2 to 2.0, you need
56 to migrate to DRBD 8 first while still running Ganeti 1.2)
57 - DRBD devices are using statically allocated minor numbers, which
58 will be assigned to existing instances during the migration
60 - there is support for both Xen PVM and Xen HVM instances running on
62 - KVM virtualization is supported too
63 - file-based storage has been implemented, which means that it is
64 possible to run the cluster without LVM and DRBD storage, for
65 example using a shared filesystem exported from shared storage
66 (and still have live migration)
69 - Change the default reboot type in gnt-instance reboot to "hard"
70 - Reuse the old instance mac address by default on instance import,
71 if the instance name is the same.
72 - Handle situations in which the node info rpc returns incomplete results
74 - Add checks for tcp/udp ports collisions in gnt-cluster verify
75 - Improved version of batcher:
77 - instance mac address support
78 - support for HVM clusters/instances
79 - Add an option to show the number of cpu sockets and nodes in gnt-node list
80 - Support OSes that handle more than one version of the OS api
81 (but do not change the current API in any other way)
82 - Fix gnt-node migrate
84 - Fixes various more typos&small issues
85 - Increase disk resync maximum speed to 60MB/s (from 30MB/s)
88 - new --hvm-nic-type and --hvm-disk-type flags to control the type of disk
89 exported to fully virtualized instances.
90 - provide access to the serial console of HVM instances
91 - instance auto_balance flag, set by default. If turned off it will avoid
92 warnings on cluster verify if there is not enough memory to fail over an
93 instance. in the future it will prevent automatically failing it over when
95 - batcher tool for instance creation, see /tools/README.batcher
96 - gnt-instance reinstall --select-os to interactively select a new operating
97 system when reinstalling an instance.
98 - when changing the memory amount on instance modify a check has been added
99 that the instance will be able to start. also warnings are emitted if the
100 instance will not be able to fail over, if auto_balance is true.
101 - documentation fixes
102 - sync fields between instance list/modify/add/import
103 - fix a race condition in drbd when the sync speed was set after giving the
104 device a remote peer.
107 - note: the allowed size and number of tags per object were reduced
108 - fix a bug in “gnt-cluster verify” with inconsistent volume groups
109 - fixed twisted 8.x compatibility
110 - fixed gnt-instance replace-disks with iallocator
111 - add TCP keepalives on twisted connections to detect restarted nodes
112 - disk increase support, see “gnt-instance grow-disk”
113 - implement bulk node/instance query for RAPI
114 - add tags in node/instance listing (optional)
115 - experimental migration (and live migration) support, read the man
116 page for “gnt-instance migrate”
117 - the ganeti-watcher logs are now timestamped, and the watcher also
118 has some small improvements in handling its state file
121 - Experimental readonly, REST-based remote API implementation; automatically
122 started on master node, TCP port 5080, if enabled by --enable-rapi
123 parameter to configure script.
124 - Instance allocator support. Add and import instance accept a --iallocator
125 parameter, and call that instance allocator to decide which node to use for
126 the instance. The iallocator document describes what's expected from an
128 - gnt-cluster verify N+1 memory redundancy checks: Unless passed the
129 --no-nplus1-mem option gnt-cluster verify now checks that if a node is lost
130 there is still enough memory to fail over the instances that reside on it.
131 - gnt-cluster verify hooks: it is now possible to add post-hooks to
132 gnt-cluster verify, to check for site-specific compliance. All the hooks
133 will run, and their output, if any, will be displayed. Any failing hook
134 will make the verification return an error value.
135 - gnt-cluster verify now checks that its peers are reachable on the primary
136 and secondary interfaces
137 - gnt-node add now supports the --readd option, to readd a node that is still
138 declared as part of the cluster and has failed.
139 - gnt-* list commands now accept a new -o +field way of specifying output
140 fields, that just adds the chosen fields to the default ones.
141 - gnt-backup now has a new "remove" command to delete an existing export from
143 - New per-instance parameters hvm_acpi, hvm_pae and hvm_cdrom_image_path have
144 been added. Using them you can enable/disable acpi and pae support, and
145 specify a path for a cd image to be exported to the instance. These
146 parameters as the name suggest only work on HVM clusters.
147 - When upgrading an HVM cluster to Ganeti 1.2.4, the values for ACPI and PAE
148 support will be set to the previously hardcoded values, but the (previously
149 hardcoded) path to the CDROM ISO image will be unset and if required, needs
150 to be set manually with gnt-instance modify after the upgrade..
151 - The address to which an instance's VNC console is bound is now selectable
152 per-instance, rather than being cluster wide. Of course this only applies
153 to instances controlled via VNC, so currently just applies to HVM clusters.
156 - more tweaks to the disk activation code (especially helpful for DRBD)
157 - change the default ‘gnt-instance list’ output format, now there is
158 one combined status field (see the manpage for the exact values this
160 - some more fixes for the mac export to hooks change
161 - make Ganeti not break with DRBD 8.2.x (which changed the version
162 format in /proc/drbd) (issue 24)
163 - add an upgrade tool from ‘remote_raid1’ disk template to ‘drbd’ disk
164 template, allowing migration from DRBD0.7+MD to DRBD8
167 - fix ‘gnt-instance modify’ breakage introduced in 1.2.1 with the HVM
169 - add command aliases infrastructure and a few aliases
170 - allow listing of VCPUs in the gnt-instance list and improve the man
171 pages and the --help option of gnt-node/gnt-instance list
172 - fix gnt-backup list with down nodes (issue 21)
173 - change the tools location (move from $pkgdatadir to
175 - fix the dist archive and add a check for including svn/git files in
177 - some developer-related changes: improve the burnin and the QA
178 suite, add an upload script for testing during development
181 - experimental HVM support, read the install document, section
182 "Initializing the cluster"
183 - allow for the PVM hypervisor per-instance kernel and initrd paths
184 - add a new command ‘gnt-cluster verify-disks’ which uses a new
185 algorithm to improve the reconnection of the DRBD pairs if the
186 device on the secondary node has gone away
187 - make logical volume code auto-activate LVs at disk activation time
188 - slightly improve the speed of activating disks
189 - allow specification of the MAC address at instance creation time,
190 and changing it later via ‘gnt-instance modify’
191 - fix handling of external commands that generate lots of output on
193 - update documentation with regard to minimum version of DRBD8
197 - Log the ‘xm create’ output to the node daemon log on failure (to
198 help diagnosing the error)
199 - In debug mode, log all external commands output if failed to the
201 - Change parsing of lvm commands to ignore stderr
204 - Another round of updates to the DRBD 8 code to deal with more
205 failures in the replace secondary node operation
206 - Some more logging of failures in disk operations (lvm, drbd)
207 - A few documentation updates
211 - Change configuration file format from Python's Pickle to JSON.
212 Upgrading is possible using the cfgupgrade utility.
213 - Add support for DRBD 8.0 (new disk template `drbd`) which allows for
214 faster replace disks and is more stable (DRBD 8 has many
215 improvements compared to DRBD 0.7)
216 - Added command line tags support (see man pages for gnt-instance,
217 gnt-node, gnt-cluster)
218 - Added instance rename support
219 - Added multi-instance startup/shutdown
220 - Added cluster rename support
221 - Added `gnt-node evacuate` to simplify some node operations
222 - Added instance reboot operation that can speedup reboot as compared
224 - Soften the requirement that hostnames are in FQDN format
225 - The ganeti-watcher now activates drbd pairs after secondary node
227 - Removed dependency on debian's patched fping that uses the
228 non-standard -S option
229 - Now the OS definitions are searched for in multiple, configurable
230 paths (easier for distros to package)
231 - Some changes to the hooks infrastructure (especially the new
232 post-configuration update hook)
233 - Other small bugfixes