[DRBD-user] drbd-8.4.7 & drbd-utils-8.9.5

Digimer lists at alteeve.ca
Thu Dec 17 16:24:03 CET 2015

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


Woohoo!!

Thanks to all!

On 17/12/15 04:09 AM, Philipp Reisner wrote:
> Hi,
> 
> with this release we fixed some performance regressions in 8.4 that
> trigger only when DRBD is used as block storage target. (I.e. they
> do not triggered when you have a file system on top of it).
> 
> When it comes to new features a lot was done that DRBD works better
> with thinly provisioned storage and SSDs (WRITE_SAME & resync).
> Look for 'rs-discard-granularity' and 'discard-zeroes-if-aligned'
> on the man-pages.
> 
> drbd
> 8.4.7-1 (api:genl1/proto:86-101)
> -------
>  * introduce WRITE_SAME support
>  * introduce discard-capable (or thinly allocated) device friendly resync
>  * improve latency on certain kernel versions and usage patterns
>  * improve latency of disk flushes with multiple volumes
>  * fix recovery handling of certain multiple error scenarios,
>    including possible deadlocks after certain multiple failure sequences
>  * introduce unfence-peer handler,
>    to close possible races if the replication link is flaky
>  * avoid potential spurious full resync by
>  * improve discard support, reliably zero-out/discard even with discard_zeroes_data=0
>  * update wrapper defines for linux 4.3
>  * fix latency regression introduced with 8.4.5
>    protocol A was sometimes synchronous, C sometimes double-latency
>  * avoid potential deadlock during handshake
>  * avoid potential deadlock in disconnect during resync
>    with fencing resource-and-stonith
>  * allow IO during some bitmap bulk IO operations
>  * fix "endless" transfer log walk in protocol A
> 
> http://oss.linbit.com/drbd/8.4/drbd-8.4.7-1.tar.gz
> http://git.drbd.org/drbd-8.4.git/tag/refs/tags/drbd-8.4.7
> 
> 
> drbd-utils
> 8.9.5
> --------
>  * add support for new disk option 'rs-discard-granularity' (module v8.4.7)
>  * add support for new disk option 'discard-zeroes-if-aligned' (module v8.4.7)
>  * add support for v9 "path" commands
>  * doc improvements/corrections
>  * improvements to drbd ocf resource agent
>    and pacemaker "constraint based fencing" (crm-fence-peer.sh)
>  * drbd-overview improvements
> 
> http://oss.linbit.com/drbd/drbd-utils-8.9.5.tar.gz
> http://git.drbd.org/drbd-utils.git/tag/refs/tags/v8.9.5
> 
> 
> cheers,
>  Phil
> _______________________________________________
> drbd-user mailing list
> drbd-user at lists.linbit.com
> http://lists.linbit.com/mailman/listinfo/drbd-user
> 


-- 
Digimer
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What if the cure for cancer is trapped in the mind of a person without
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