philipp.reisner at linbit.com
Thu May 15 11:03:35 CEST 2008
The final 8.2.6 release will happen in a few days.
Please help testing the new before-resync-target handler and
the default implementation of it called snapshot-resync-target-lvm.sh .
As the name implies this allowes one to take a snapshot of a
volume just in the moment before it become target of a
The obvious benefit of this is, that it in case your primary node
dies during the resync, you still have an consistent albeit
a bit outdated copy of your important data in the snapshot.
While this might appear as a must have, it has to be pointed
out that the LVM snapshot code might have bring considerable
loss of performance to the resync speed.
PS: Using a bigger chunksize of lvcreate (-c) was always
beneficial in my test so far.
* The details of the LRU data structures is now hidden from
/proc/drbd but can be re-enabled by echoing 1 to
* Bash completion support for drbdadm (Installs on all distributions
but RedHat, since they lack the /etc/bash_completion.d directory)
* Fixed the out-of-sync handler it never fired.
* Added the before-resync-target handler, and a default
implementation of a handler that snapshots the target
of a resynchronisation in case it is a LVM2 logic volume.
* Improved error messages and documentation in regards to
false positives of online verify and data-integrity-alg
mechanisms in the presence of ReiserFS or the Linux
* Merged all changes from 8.0.11 -> 8.0.12 into 8.2
: Dipl-Ing Philipp Reisner Tel +43-1-8178292-50 :
: LINBIT Information Technologies GmbH Fax +43-1-8178292-82 :
: Vivenotgasse 48, 1120 Vienna, Austria http://www.linbit.com :
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