Mailing List Archive: DRBD: Users

drbd-8.2.6rc1.tar.gz

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philipp.reisner at linbit

May 15, 2008, 2:03 AM

Post #1 of 3 (540 views)
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drbd-8.2.6rc1.tar.gz

Hi,

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
resynchronisation process.

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a bit outdated copy of your important data in the snapshot.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 Changelog:

8.2.6rc1 (api:86/proto:86-88)
--------
* The details of the LRU data structures is now hidden from
/proc/drbd but can be re-enabled by echoing 1 to
/sys/module/drbd/parameters/proc_details
* 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
swap code.
* Merged all changes from 8.0.11 -> 8.0.12 into 8.2

http://git.drbd.org/?p=drbd-8.2.git;a=tag;h=drbd-8.2.6rc1
http://oss.linbit.com/drbd/8.2/drbd-8.2.6rc1.tar.gz

-Phil
--
: 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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mangoo at wpkg

May 15, 2008, 8:03 AM

Post #2 of 3 (487 views)
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Re: drbd-8.2.6rc1.tar.gz [In reply to]

Philipp Reisner schrieb:

> The Changelog:

Does it contain this important fix (wasn't mentioned in changelog):

http://git.drbd.org/?p=drbd-8.2.git;a=commit;h=a3800c0277bce2641462d7ce21234286b3038d98

Added oos (out of sync [unit KiB] to /proc/drbd

Removed the oos: entry from the online verify progress,
since it was there in the unit of BM_BLOCK_SIZE. Added it
to the always visible part of /proc/drbd with the unit
of KiB.

--
Tomasz Chmielewski
http://wpkg.org
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philipp.reisner at linbit

May 16, 2008, 12:59 AM

Post #3 of 3 (502 views)
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Re: drbd-8.2.6rc1.tar.gz [In reply to]

Am Donnerstag, 15. Mai 2008 17:03:41 schrieb Tomasz Chmielewski:
> Philipp Reisner schrieb:
> > The Changelog:
>
> Does it contain this important fix (wasn't mentioned in changelog):
>
> http://git.drbd.org/?p=drbd-8.2.git;a=commit;h=a3800c0277bce2641462d7ce2123
>4286b3038d98
>
>
> Added oos (out of sync [unit KiB] to /proc/drbd
>
> Removed the oos: entry from the online verify progress,
> since it was there in the unit of BM_BLOCK_SIZE. Added it
> to the always visible part of /proc/drbd with the unit
> of KiB.

Yes it contains this commit.

-Phil
--
: 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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