Revision 1bbf0c40 NEWS

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News
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====
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Version 2.4.2
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-------------
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*(unreleased)*
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Many bug-fixes and a few new small features:
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- Fixed a bug related to log opening failures
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- Fixed a bug in instance listing with orphan instances
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- Fixed a bug which prevented resetting the cluster-level node parameter
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  ``oob_program`` to the default
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- Many fixes related to the ``cluster-merge`` tool
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- Fixed a race condition in the lock monitor, which caused failures
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  during (at least) creation of many instances in parallel
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- Improved output for gnt-job info
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- Removed the quiet flag on some ssh calls which prevented debugging
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  failures
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- Improved the N+1 failure messages in cluster verify by actually
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  showing the memory values (needed and available)
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- Increased lock attempt timeouts so that when executing long operations
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  (e.g. DRBD replace-disks) other jobs do not enter 'blocking acquire'
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  too early and thus prevent the use of the 'fair' mechanism
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- Changed instance query data (``gnt-instance info``) to not acquire
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  locks unless needed, thus allowing its use on locked instance if only
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  static information is asked for
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- Improved behaviour with filesystems that do not support rename on an
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  opened file
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- Fixed the behaviour of ``prealloc_wipe_disks`` cluster parameter which
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  kept locks on all nodes during the wipe, which is unneeded
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- Fixed ``gnt-watcher`` handling of errors during hooks execution
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- Fixed bug in ``prealloc_wipe_disks`` with small disk sizes (less than
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  10GiB) which caused the wipe to fail right at the end in some cases
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- Fixed master IP activation when doing master failover with no-voting
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- Fixed bug in ``gnt-node add --readd`` which allowed the re-adding of
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  the master node itself
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- Fixed potential data-loss in under disk full conditions, where Ganeti
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  wouldn't check correctly the return code and would consider
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  partially-written files 'correct'
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- Fixed bug related to multiple VGs and DRBD disk replacing
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- Added new disk parameter ``metavg`` that allows placement of the meta
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  device for DRBD in a different volume group
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- Fixed error handling in the node daemon when the system libc doesn't
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  have major number 6 (i.e. if ``libc.so.6`` is not the actual libc)
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- Fixed lock release during replace-disks, which kept cluster-wide locks
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  when doing disk replaces with an iallocator script
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- Added check for missing bridges in cluster verify
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- Handle EPIPE errors while writing to the terminal better, so that
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  piping the output to e.g. ``less`` doesn't cause a backtrace
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- Fixed rare case where a ^C during Luxi calls could have been
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  interpreted as server errors, instead of simply terminating
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- Fixed a race condition in LUGroupAssignNodes (``gnt-group
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  assign-nodes``)
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- Added a few more parameters to the KVM hypervisor, allowing a second
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  CDROM, custom disk type for CDROMs and a floppy image
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- Removed redundant message in instance rename when the name is given
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  already as a FQDN
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- Added option to ``gnt-instance recreate-disks`` to allow creating the
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  disks on new nodes, allowing recreation when the original instance
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  nodes are completely gone
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- Added option when converting disk templates to DRBD to skip waiting
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  for the resync, in order to make the instance available sooner
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- Added two new variables to the OS scripts environment (containing the
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  instance's nodes)
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- Made the root_path and optional parameter for the xen-pvm hypervisor,
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  to allow use of ``pvgrub`` as bootloader
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And as usual, various improvements to the error messages, documentation
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and man pages.
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Version 2.4.1
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-------------
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