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News |
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==== |
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|
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Version 2.1.0 |
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------------- |
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|
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Ganeti 2.1 brings many improvements with it. Major changes: |
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|
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- Added infrastructure to ease automated disk repairs |
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- Added new daemon to export configuration data in a cheaper way than |
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using the remote API |
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- Instance NICs can now be routed instead of being associated with a |
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networking bridge |
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- Improved job locking logic to reduce impact of jobs acquiring multiple |
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locks waiting for other long-running jobs |
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|
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Detailed implementation details can be found in the Ganeti 2.1 design |
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document. |
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|
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Details |
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~~~~~~~ |
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|
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- Added chroot hypervisor |
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- Added more options to xen-hvm hypervisor (``kernel_path`` and |
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``device_model``) |
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- Added more options to xen-pvm hypervisor (``use_bootloader``, |
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``bootloader_path`` and ``bootloader_args``) |
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- Added luxi call to submit multiple jobs in one go |
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- Added cluster initialization time option to not modify ``/etc/hosts`` |
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file on nodes |
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- Added network interface parameters |
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- Added dry run mode to some LUs |
34 |
- Added RAPI resources: |
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|
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- ``/2/instances/[instance_name]/info`` |
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- ``/2/instances/[instance_name]/replace-disks`` |
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- ``/2/nodes/[node_name]/evacuate`` |
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- ``/2/nodes/[node_name]/migrate`` |
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- ``/2/nodes/[node_name]/role`` |
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- ``/2/nodes/[node_name]/storage`` |
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- ``/2/nodes/[node_name]/storage/modify`` |
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- ``/2/nodes/[node_name]/storage/repair`` |
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|
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- Added OpCodes to evacuate or migrate all instances on a node |
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- Added new command to list storage elements on nodes (``gnt-node |
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list-storage``) and modify them (``gnt-node modify-storage``) |
48 |
- Added new ssconf files with master candidate IP address |
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(``ssconf_master_candidates_ips``), node primary IP address |
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(``ssconf_node_primary_ips``) and node secondary IP address |
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(``ssconf_node_secondary_ips``) |
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- Added ``ganeti-confd`` and a client library to query the Ganeti |
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configuration via UDP |
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- Added ability to run hooks after cluster initialization and before |
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cluster destruction |
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- Added automatic mode for disk replace (``gnt-instance replace-disks |
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--auto``) |
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- Added ``gnt-instance recreate-disks`` to re-create (empty) disks |
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after catastrophic data-loss |
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- Added ``gnt-node repair-storage`` command to repair damaged LVM volume |
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groups |
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- Added ``gnt-instance move`` command to move instances |
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- Added ``gnt-cluster watcher`` command to control watcher |
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- Added ``gnt-node powercycle`` command to powercycle nodes |
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- Added new job status field ``lock_status`` |
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- Added parseable error codes to cluster verification (``gnt-cluster |
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verify --error-codes``) and made output less verbose (use |
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``--verbose`` to restore previous behaviour) |
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- Added UUIDs to the main config entities (cluster, nodes, instances) |
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- Added support for OS variants |
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- Added more unittests |
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- Fixed critical bug in ganeti-masterd startup |
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- Pass ``INSTANCE_REINSTALL`` variable to OS installation script when |
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reinstalling an instance |
75 |
- Converted to Sphinx (http://sphinx.pocoo.org/) for documentation |
76 |
- Many documentation updates |
77 |
- Distribute hypervisor files on ``gnt-cluster redist-conf`` |
78 |
- ``gnt-instance reinstall`` can now reinstall multiple instances |
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- Updated many command line parameters |
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- Introduced new OS API version 15 |
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- No longer support a default hypervisor |
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- Treat virtual LVs as inexistent |
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- Improved job locking logic to reduce lock contention |
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- Match instance and node names case insensitively |
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- Reimplemented bash completion script to be more complete |
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- Improved burnin |
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- Added option to specify maximum timeout on instance shutdown |
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- Added ``--no-ssh-init`` option to ``gnt-cluster init`` |
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|
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|
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Version 2.0.4 |
92 |
------------- |
93 |
|
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- Fixed many wrong messages |
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- Fixed a few bugs related to the locking library |
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- Fixed MAC checking at instance creation time |
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- Fixed a DRBD parsing bug related to gaps in /proc/drbd |
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- Fixed a few issues related to signal handling in both daemons and |
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scripts |
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- Fixed the example startup script provided |
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- Fixed insserv dependencies in the example startup script (patch from |
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Debian) |
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- Fixed handling of drained nodes in the iallocator framework |
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- Fixed handling of KERNEL_PATH parameter for xen-hvm (Debian bug |
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#528618) |
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- Fixed error related to invalid job IDs in job polling |
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- Fixed job/opcode persistence on unclean master shutdown |
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- Fixed handling of partial job processing after unclean master |
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shutdown |
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- Fixed error reporting from LUs, previously all errors were converted |
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into execution errors |
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- Fixed error reporting from burnin |
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- Decreased significantly the memory usage of the job queue |
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- Optimised slightly multi-job submission |
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- Optimised slightly opcode loading |
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- Backported the multi-job submit framework from the development |
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branch; multi-instance start and stop should be faster |
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- Added script to clean archived jobs after 21 days; this will reduce |
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the size of the queue directory |
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- Added some extra checks in disk size tracking |
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- Added an example ethers hook script |
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- Added a cluster parameter that prevents Ganeti from modifying of |
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/etc/hosts |
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- Added more node information to RAPI responses |
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- Added a ``gnt-job watch`` command that allows following the ouput of a |
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job |
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- Added a bind-address option to ganeti-rapi |
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- Added more checks to the configuration verify |
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- Enhanced the burnin script such that some operations can be retried |
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automatically |
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- Converted instance reinstall to multi-instance model |
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|
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|
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Version 2.0.3 |
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------------- |
136 |
|
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- Added ``--ignore-size`` to the ``gnt-instance activate-disks`` command |
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to allow using the pre-2.0.2 behaviour in activation, if any existing |
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instances have mismatched disk sizes in the configuration |
140 |
- Added ``gnt-cluster repair-disk-sizes`` command to check and update |
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any configuration mismatches for disk sizes |
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- Added ``gnt-master cluste-failover --no-voting`` to allow master |
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failover to work on two-node clusters |
144 |
- Fixed the ``--net`` option of ``gnt-backup import``, which was |
145 |
unusable |
146 |
- Fixed detection of OS script errors in ``gnt-backup export`` |
147 |
- Fixed exit code of ``gnt-backup export`` |
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|
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|
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Version 2.0.2 |
151 |
------------- |
152 |
|
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- Added experimental support for stripped logical volumes; this should |
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enhance performance but comes with a higher complexity in the block |
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device handling; stripping is only enabled when passing |
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``--with-lvm-stripecount=N`` to ``configure``, but codepaths are |
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affected even in the non-stripped mode |
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- Improved resiliency against transient failures at the end of DRBD |
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resyncs, and in general of DRBD resync checks |
160 |
- Fixed a couple of issues with exports and snapshot errors |
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- Fixed a couple of issues in instance listing |
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- Added display of the disk size in ``gnt-instance info`` |
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- Fixed checking for valid OSes in instance creation |
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- Fixed handling of the "vcpus" parameter in instance listing and in |
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general of invalid parameters |
166 |
- Fixed http server library, and thus RAPI, to handle invalid |
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username/password combinations correctly; this means that now they |
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report unauthorized for queries too, not only for modifications, |
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allowing earlier detect of configuration problems |
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- Added a new "role" node list field, equivalent to the master/master |
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candidate/drained/offline flags combinations |
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- Fixed cluster modify and changes of candidate pool size |
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- Fixed cluster verify error messages for wrong files on regular nodes |
174 |
- Fixed a couple of issues with node demotion from master candidate role |
175 |
- Fixed node readd issues |
176 |
- Added non-interactive mode for ``ganeti-masterd --no-voting`` startup |
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- Added a new ``--no-voting`` option for masterfailover to fix failover |
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on two-nodes clusters when the former master node is unreachable |
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- Added instance reinstall over RAPI |
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|
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|
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Version 2.0.1 |
183 |
------------- |
184 |
|
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- added ``-H``/``-B`` startup parameters to ``gnt-instance``, which will |
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allow re-adding the start in single-user option (regression from 1.2) |
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- the watcher writes the instance status to a file, to allow monitoring |
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to report the instance status (from the master) based on cached |
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results of the watcher's queries; while this can get stale if the |
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watcher is being locked due to other work on the cluster, this is |
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still an improvement |
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- the watcher now also restarts the node daemon and the rapi daemon if |
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they died |
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- fixed the watcher to handle full and drained queue cases |
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- hooks export more instance data in the environment, which helps if |
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hook scripts need to take action based on the instance's properties |
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(no longer need to query back into ganeti) |
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- instance failovers when the instance is stopped do not check for free |
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RAM, so that failing over a stopped instance is possible in low memory |
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situations |
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- rapi uses queries for tags instead of jobs (for less job traffic), and |
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for cluster tags it won't talk to masterd at all but read them from |
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ssconf |
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- a couple of error handling fixes in RAPI |
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- drbd handling: improved the error handling of inconsistent disks after |
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resync to reduce the frequency of "there are some degraded disks for |
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this instance" messages |
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- fixed a bug in live migration when DRBD doesn't want to reconnect (the |
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error handling path called a wrong function name) |
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|
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|
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Version 2.0.0 final |
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------------------- |
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|
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- no changes from rc5 |
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|
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|
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Version 2.0 release candidate 5 |
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------------------------------- |
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|
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- fix a couple of bugs (validation, argument checks) |
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- fix ``gnt-cluster getmaster`` on non-master nodes (regression) |
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- some small improvements to RAPI and IAllocator |
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- make watcher automatically start the master daemon if down |
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|
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|
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Version 2.0 release candidate 4 |
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------------------------------- |
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|
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- change the OS list to not require locks; this helps with big clusters |
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- fix ``gnt-cluster verify`` and ``gnt-cluster verify-disks`` when the |
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volume group is broken |
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- ``gnt-instance info``, without any arguments, doesn't run for all |
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instances anymore; either pass ``--all`` or pass the desired |
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instances; this helps against mistakes on big clusters where listing |
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the information for all instances takes a long time |
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- miscellaneous doc and man pages fixes |
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|
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|
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Version 2.0 release candidate 3 |
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------------------------------- |
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|
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- Change the internal locking model of some ``gnt-node`` commands, in |
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order to reduce contention (and blocking of master daemon) when |
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batching many creation/reinstall jobs |
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- Fixes to Xen soft reboot |
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- No longer build documentation at build time, instead distribute it in |
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the archive, in order to reduce the need for the whole docbook/rst |
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toolchains |
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|
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|
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Version 2.0 release candidate 2 |
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------------------------------- |
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|
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- Now the cfgupgrade scripts works and can upgrade 1.2.7 clusters to 2.0 |
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- Fix watcher startup sequence, improves the behaviour of busy clusters |
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- Some other fixes in ``gnt-cluster verify``, ``gnt-instance |
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replace-disks``, ``gnt-instance add``, ``gnt-cluster queue``, KVM VNC |
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bind address and other places |
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- Some documentation fixes and updates |
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|
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|
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Version 2.0 release candidate 1 |
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------------------------------- |
265 |
|
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- More documentation updates, now all docs should be more-or-less |
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up-to-date |
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- A couple of small fixes (mixed hypervisor clusters, offline nodes, |
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etc.) |
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- Added a customizable HV_KERNEL_ARGS hypervisor parameter (for Xen PVM |
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and KVM) |
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- Fix an issue related to $libdir/run/ganeti and cluster creation |
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|
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|
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Version 2.0 beta 2 |
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------------------ |
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|
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- Xen PVM and KVM have switched the default value for the instance root |
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disk to the first partition on the first drive, instead of the whole |
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drive; this means that the OS installation scripts must be changed |
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accordingly |
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- Man pages have been updated |
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- RAPI has been switched by default to HTTPS, and the exported functions |
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should all work correctly |
285 |
- RAPI v1 has been removed |
286 |
- Many improvements to the KVM hypervisor |
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- Block device errors are now better reported |
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- Many other bugfixes and small improvements |
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|
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|
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Version 2.0 beta 1 |
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------------------ |
293 |
|
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- Version 2 is a general rewrite of the code and therefore the |
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differences are too many to list, see the design document for 2.0 in |
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the ``doc/`` subdirectory for more details |
297 |
- In this beta version there is not yet a migration path from 1.2 (there |
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will be one in the final 2.0 release) |
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- A few significant changes are: |
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|
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- all commands are executed by a daemon (``ganeti-masterd``) and the |
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various ``gnt-*`` commands are just front-ends to it |
303 |
- all the commands are entered into, and executed from a job queue, |
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see the ``gnt-job(8)`` manpage |
305 |
- the RAPI daemon supports read-write operations, secured by basic |
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HTTP authentication on top of HTTPS |
307 |
- DRBD version 0.7 support has been removed, DRBD 8 is the only |
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supported version (when migrating from Ganeti 1.2 to 2.0, you need |
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to migrate to DRBD 8 first while still running Ganeti 1.2) |
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- DRBD devices are using statically allocated minor numbers, which |
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will be assigned to existing instances during the migration process |
312 |
- there is support for both Xen PVM and Xen HVM instances running on |
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the same cluster |
314 |
- KVM virtualization is supported too |
315 |
- file-based storage has been implemented, which means that it is |
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possible to run the cluster without LVM and DRBD storage, for |
317 |
example using a shared filesystem exported from shared storage (and |
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still have live migration) |
319 |
|
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|
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Version 1.2.7 |
322 |
------------- |
323 |
|
324 |
- Change the default reboot type in ``gnt-instance reboot`` to "hard" |
325 |
- Reuse the old instance mac address by default on instance import, if |
326 |
the instance name is the same. |
327 |
- Handle situations in which the node info rpc returns incomplete |
328 |
results (issue 46) |
329 |
- Add checks for tcp/udp ports collisions in ``gnt-cluster verify`` |
330 |
- Improved version of batcher: |
331 |
|
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- state file support |
333 |
- instance mac address support |
334 |
- support for HVM clusters/instances |
335 |
|
336 |
- Add an option to show the number of cpu sockets and nodes in |
337 |
``gnt-node list`` |
338 |
- Support OSes that handle more than one version of the OS api (but do |
339 |
not change the current API in any other way) |
340 |
- Fix ``gnt-node migrate`` |
341 |
- ``gnt-debug`` man page |
342 |
- Fixes various more typos and small issues |
343 |
- Increase disk resync maximum speed to 60MB/s (from 30MB/s) |
344 |
|
345 |
|
346 |
Version 1.2.6 |
347 |
------------- |
348 |
|
349 |
- new ``--hvm-nic-type`` and ``--hvm-disk-type`` flags to control the |
350 |
type of disk exported to fully virtualized instances. |
351 |
- provide access to the serial console of HVM instances |
352 |
- instance auto_balance flag, set by default. If turned off it will |
353 |
avoid warnings on cluster verify if there is not enough memory to fail |
354 |
over an instance. in the future it will prevent automatically failing |
355 |
it over when we will support that. |
356 |
- batcher tool for instance creation, see ``tools/README.batcher`` |
357 |
- ``gnt-instance reinstall --select-os`` to interactively select a new |
358 |
operating system when reinstalling an instance. |
359 |
- when changing the memory amount on instance modify a check has been |
360 |
added that the instance will be able to start. also warnings are |
361 |
emitted if the instance will not be able to fail over, if auto_balance |
362 |
is true. |
363 |
- documentation fixes |
364 |
- sync fields between ``gnt-instance list/modify/add/import`` |
365 |
- fix a race condition in drbd when the sync speed was set after giving |
366 |
the device a remote peer. |
367 |
|
368 |
|
369 |
Version 1.2.5 |
370 |
------------- |
371 |
|
372 |
- note: the allowed size and number of tags per object were reduced |
373 |
- fix a bug in ``gnt-cluster verify`` with inconsistent volume groups |
374 |
- fixed twisted 8.x compatibility |
375 |
- fixed ``gnt-instance replace-disks`` with iallocator |
376 |
- add TCP keepalives on twisted connections to detect restarted nodes |
377 |
- disk increase support, see ``gnt-instance grow-disk`` |
378 |
- implement bulk node/instance query for RAPI |
379 |
- add tags in node/instance listing (optional) |
380 |
- experimental migration (and live migration) support, read the man page |
381 |
for ``gnt-instance migrate`` |
382 |
- the ``ganeti-watcher`` logs are now timestamped, and the watcher also |
383 |
has some small improvements in handling its state file |
384 |
|
385 |
|
386 |
Version 1.2.4 |
387 |
------------- |
388 |
|
389 |
- Experimental readonly, REST-based remote API implementation; |
390 |
automatically started on master node, TCP port 5080, if enabled by |
391 |
``--enable-rapi`` parameter to configure script. |
392 |
- Instance allocator support. Add and import instance accept a |
393 |
``--iallocator`` parameter, and call that instance allocator to decide |
394 |
which node to use for the instance. The iallocator document describes |
395 |
what's expected from an allocator script. |
396 |
- ``gnt-cluster verify`` N+1 memory redundancy checks: Unless passed the |
397 |
``--no-nplus1-mem`` option ``gnt-cluster verify`` now checks that if a |
398 |
node is lost there is still enough memory to fail over the instances |
399 |
that reside on it. |
400 |
- ``gnt-cluster verify`` hooks: it is now possible to add post-hooks to |
401 |
``gnt-cluster verify``, to check for site-specific compliance. All the |
402 |
hooks will run, and their output, if any, will be displayed. Any |
403 |
failing hook will make the verification return an error value. |
404 |
- ``gnt-cluster verify`` now checks that its peers are reachable on the |
405 |
primary and secondary interfaces |
406 |
- ``gnt-node add`` now supports the ``--readd`` option, to readd a node |
407 |
that is still declared as part of the cluster and has failed. |
408 |
- ``gnt-* list`` commands now accept a new ``-o +field`` way of |
409 |
specifying output fields, that just adds the chosen fields to the |
410 |
default ones. |
411 |
- ``gnt-backup`` now has a new ``remove`` command to delete an existing |
412 |
export from the filesystem. |
413 |
- New per-instance parameters hvm_acpi, hvm_pae and hvm_cdrom_image_path |
414 |
have been added. Using them you can enable/disable acpi and pae |
415 |
support, and specify a path for a cd image to be exported to the |
416 |
instance. These parameters as the name suggest only work on HVM |
417 |
clusters. |
418 |
- When upgrading an HVM cluster to Ganeti 1.2.4, the values for ACPI and |
419 |
PAE support will be set to the previously hardcoded values, but the |
420 |
(previously hardcoded) path to the CDROM ISO image will be unset and |
421 |
if required, needs to be set manually with ``gnt-instance modify`` |
422 |
after the upgrade. |
423 |
- The address to which an instance's VNC console is bound is now |
424 |
selectable per-instance, rather than being cluster wide. Of course |
425 |
this only applies to instances controlled via VNC, so currently just |
426 |
applies to HVM clusters. |
427 |
|
428 |
|
429 |
Version 1.2.3 |
430 |
------------- |
431 |
|
432 |
- more tweaks to the disk activation code (especially helpful for DRBD) |
433 |
- change the default ``gnt-instance list`` output format, now there is |
434 |
one combined status field (see the manpage for the exact values this |
435 |
field will have) |
436 |
- some more fixes for the mac export to hooks change |
437 |
- make Ganeti not break with DRBD 8.2.x (which changed the version |
438 |
format in ``/proc/drbd``) (issue 24) |
439 |
- add an upgrade tool from "remote_raid1" disk template to "drbd" disk |
440 |
template, allowing migration from DRBD0.7+MD to DRBD8 |
441 |
|
442 |
|
443 |
Version 1.2.2 |
444 |
------------- |
445 |
|
446 |
- fix ``gnt-instance modify`` breakage introduced in 1.2.1 with the HVM |
447 |
support (issue 23) |
448 |
- add command aliases infrastructure and a few aliases |
449 |
- allow listing of VCPUs in the ``gnt-instance list`` and improve the |
450 |
man pages and the ``--help`` option of ``gnt-node |
451 |
list``/``gnt-instance list`` |
452 |
- fix ``gnt-backup list`` with down nodes (issue 21) |
453 |
- change the tools location (move from $pkgdatadir to $pkglibdir/tools) |
454 |
- fix the dist archive and add a check for including svn/git files in |
455 |
the future |
456 |
- some developer-related changes: improve the burnin and the QA suite, |
457 |
add an upload script for testing during development |
458 |
|
459 |
|
460 |
Version 1.2.1 |
461 |
------------- |
462 |
|
463 |
- experimental HVM support, read the install document, section |
464 |
"Initializing the cluster" |
465 |
- allow for the PVM hypervisor per-instance kernel and initrd paths |
466 |
- add a new command ``gnt-cluster verify-disks`` which uses a new |
467 |
algorithm to improve the reconnection of the DRBD pairs if the device |
468 |
on the secondary node has gone away |
469 |
- make logical volume code auto-activate LVs at disk activation time |
470 |
- slightly improve the speed of activating disks |
471 |
- allow specification of the MAC address at instance creation time, and |
472 |
changing it later via ``gnt-instance modify`` |
473 |
- fix handling of external commands that generate lots of output on |
474 |
stderr |
475 |
- update documentation with regard to minimum version of DRBD8 supported |
476 |
|
477 |
|
478 |
Version 1.2.0 |
479 |
------------- |
480 |
|
481 |
- Log the ``xm create`` output to the node daemon log on failure (to |
482 |
help diagnosing the error) |
483 |
- In debug mode, log all external commands output if failed to the logs |
484 |
- Change parsing of lvm commands to ignore stderr |
485 |
|
486 |
|
487 |
Version 1.2b3 |
488 |
------------- |
489 |
|
490 |
- Another round of updates to the DRBD 8 code to deal with more failures |
491 |
in the replace secondary node operation |
492 |
- Some more logging of failures in disk operations (lvm, drbd) |
493 |
- A few documentation updates |
494 |
- QA updates |
495 |
|
496 |
|
497 |
Version 1.2b2 |
498 |
------------- |
499 |
|
500 |
- Change configuration file format from Python's Pickle to JSON. |
501 |
Upgrading is possible using the cfgupgrade utility. |
502 |
- Add support for DRBD 8.0 (new disk template ``drbd``) which allows for |
503 |
faster replace disks and is more stable (DRBD 8 has many improvements |
504 |
compared to DRBD 0.7) |
505 |
- Added command line tags support (see man pages for ``gnt-instance``, |
506 |
``gnt-node``, ``gnt-cluster``) |
507 |
- Added instance rename support |
508 |
- Added multi-instance startup/shutdown |
509 |
- Added cluster rename support |
510 |
- Added ``gnt-node evacuate`` to simplify some node operations |
511 |
- Added instance reboot operation that can speedup reboot as compared to |
512 |
stop and start |
513 |
- Soften the requirement that hostnames are in FQDN format |
514 |
- The ``ganeti-watcher`` now activates drbd pairs after secondary node |
515 |
reboots |
516 |
- Removed dependency on debian's patched fping that uses the |
517 |
non-standard ``-S`` option |
518 |
- Now the OS definitions are searched for in multiple, configurable |
519 |
paths (easier for distros to package) |
520 |
- Some changes to the hooks infrastructure (especially the new |
521 |
post-configuration update hook) |
522 |
- Other small bugfixes |
523 |
|
524 |
.. vim: set textwidth=72 : |
525 |
.. Local Variables: |
526 |
.. mode: rst |
527 |
.. fill-column: 72 |
528 |
.. End: |