[Pacemaker] R: Frequent SBD triggered server reboots

Lars Marowsky-Bree lmb at suse.com
Tue May 7 06:55:41 EDT 2013

On 2013-05-07T10:43:55, emmanuel segura <emi2fast at gmail.com> wrote:

> Hello Andrea
> i think you need to think about that Lars told you = (Upgrade to SP2) or
> maybe you can try to use a diferent lun for the sbd and use ionice for
> setting the realtime class for sbd process

SBD is already using ionice etc internally.

There have been a number of improvements to how slow/hung IO is handled,
aborted, and retried - teaching me a number of lessons about the
ugliness of Unix IO calls that I could have done without ;-). The best
way to get a more robust sbd - in addition to having multiple devices -
is to upgrade.


Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde

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