if you think your problems are related to multipath timeout, try to use
multipath -v3 and look well the sbd timeout
Thanks
2013/5/2 andrea cuozzo <andrea.cuo...@sysma.it>
> Hi Emmanuel,
>
> it's a merge of the default settings I've taken from the
> /usr/share/doc/package/multipath-tools/multipath.conf.annotated and the
> OPEN-* section of the HPDMmultipath-4.4.1 multipath.conf.HPTemplate.SLES11
> file, here it is:
>
>
> defaults {
> udev_dir /dev
> polling_interval 5
> selector "round-robin 0"
> prio const
> user_friendly_names no
> getuid_callout "/lib/udev/scsi_id --whitelisted
> --device=/dev/%n"
> failback manual
> no_path_retry fail
> }
> blacklist {
> devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
> devnode "^hd[a-z][[0-9]*]"
> }
> blacklist_exceptions {
> }
> multipaths {
> multipath {
> alias "san"
> wwid "360060e8006d2e1000000d2e1000000e6"
> }
> }
> devices {
> # For XP arrays
>
> device {
> vendor "HP"
> product "OPEN-.*"
> path_grouping_policy multibus
> path_selector "round-robin 0"
> rr_min_io 1000
> rr_weight uniform
> path_checker tur
> # no_path_retry 18
> # hardware_handler "0"
> # failback immediate
> # getuid_callout "/lib/udev/scsi_id -g -u /dev/%n"
> }
>
> }
>
> I've commented out some of the HP template device lines due to the
> recommended configuration for clustering, read in the SLES 11 Sp1 Storage
> Administration Guide:
>
> "We recommend failback setting of "manual" for multipath in cluster
> environments in order to prevent multipath failover ping-pong."
>
> and in the mailing list: " Fourth, don't run SBD on queue_if_no_path MPIO."
> From Mr. Lars at this link: http://en.it-usenet.org/thread/18723/12998/
>
> And this my multipath -ll output:
>
> server1:~ # multipath -ll
>
> san (360060e8006d2e1000000d2e1000000e6) dm-0 HP,OPEN-V
> size=50G features='0' hwhandler='0' wp=rw
> `-+- policy='round-robin 0' prio=1 status=active
> |- 1:0:0:0 sdb 8:16 active ready running
> `- 2:0:0:0 sdc 8:32 active ready running
>
> andrea
>
>
> ----- Original Message -----
> From: emmanuel segura
> Newsgroups: gmane.linux.highavailability.pacemaker
> To: The Pacemaker cluster resource manager
> Sent: Thursday, May 02, 2013 4:25 PM
> Subject: Re: Frequent SBD triggered server reboots
>
>
> Hello Andrea
>
>
> Can you show me your multipath.conf?
>
>
> Thanks
>
>
>
>
>
>
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>
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