[DRBD-user] drbd-8.3.8rc1.tar.gz

Digimer linux at alteeve.com
Fri May 21 15:42:45 CEST 2010

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On 10-05-21 09:02 AM, Philipp Reisner wrote:
> Hi,
> This again is a call for all DRBD users, that have some testing equipment
> available, and are ready to contribute a bit of their time to testing
>   This is a release candidate, do not use it for production.
>   This is a release candidate, do not package it for distributions.
> The most outstanding change with this release is, that DRBD now
> can use multiple BIOs (single IO requests) for processing a signle
> data packat on the receiving side. This allows DRBD in many more
> cases than before (on LVM's LVs) to process BIOs of a size of up
> to 32k. (Before that DRBD, in many cases, forced the whole stack
> down to a max BIO size of 4k).
> This is important for hardware setups where both disk IO subsystem
> and connecting network operate in the area of 10GBit/sec. Those become
> rapidly more common.
> 8.3.8rc1 (api:88/proto:86-94)
> --------
>   * Do not expose failed local READs to upper layers, regression introduced
>     in 8.3.3
>   * Fixed support for devices with 4k hard sector size (again)
>   * Fixed a potential Oops in the disconnect code
>   * Fixed a race condition that could cause DRBD to consider the peers disk
>     as Inconstent after resync instead of UpToDate (Bugz 271)
>   * Fixed a reace condition that could cause DRBD to consider the peers disk
>     as Outdated instead of Inconsistent during resync (Bugz 277)
>   * Disallow to start a resync with invalidate / invalidate-remote when the
>     source disk is not UpToDate
>   * Forcing primary works now also for Consistent, not only for Outdated and
>     Inconsistent (Bugz 266)
>   * Improved robustness against corrupt or malicous sector addresses when
>     receiving data
>   * Added the initial-split-brain, it gets called also if the split-brain gets
>     automatically resolved
>   * Added the --assume-clean option for the resize command, it causes drbd to
>     not resync the new storage after an online grow operation
>   * drbdadm: Do not segfault if stacked-on-top-of refers to an undefined res
>   * drbdadm: Do not consider configs with invalid after statements as invalid
>   * drbdadm: Do not segfault if the peer's proxy section is missing
>   * drbdadm: Allow nullglob in include statement
>   * drbdadm: Fixed the use of waitpid
>   * init script: fix insserv headers (Debian 576901)
>   * Gave the receiving code the ability to use multiple BIOs for writing a
>     single data packet; now DRBD works with BIOs up to 32kByte also on LVM
>     devices; from now on the use_bmbv config option does nothing
>   * New command check-resize, that allows DRBD to detect offline resizing
>     and to move internal meta-data accordingly
>   * Added a control loop, that allows DRBD to find auto tune the resync
>     speed, on connections with large queues (drbd-proxy)
>   * Create new current UUIDs late, after loosing connection to the peer
>   * --dry-run option for connect; disconnects after sync handshake
>   * --overwrite-data-of-peer got an alias named --force
>   * Improvements to crm-fence-peer
>   * Fixed option parsing and stacking in snapshot-resync-target-lvm.sh
>   * Compiles on 2.6.33 and 2.6.34
> http://git.drbd.org/?p=drbd-8.3.git;a=commit;h=drbd-8.3.8rc1
> http://oss.linbit.com/drbd/8.3/drbd-8.3.8rc1.tar.gz
> Happy testing!
> -Phil

If a normal 1Gbit link is enough to test, and if you can give me an idea 
of what tests I could run to best test this, I'll be happy to load it up 
on my test cluster this weekend.

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