<div dir="ltr"><div>if you think your problems are related to multipath timeout, try to use multipath -v3 and look well the sbd timeout<br><br></div>Thanks<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">
2013/5/2 andrea cuozzo <span dir="ltr">&lt;<a href="mailto:andrea.cuozzo@sysma.it" target="_blank">andrea.cuozzo@sysma.it</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi Emmanuel,<br>
<br>
it&#39;s a merge of the default settings I&#39;ve taken from the<br>
/usr/share/doc/package/multipath-tools/multipath.conf.annotated   and the<br>
OPEN-* section of the HPDMmultipath-4.4.1 multipath.conf.HPTemplate.SLES11<br>
file, here it is:<br>
<br>
<br>
defaults {<br>
        udev_dir                /dev<br>
        polling_interval        5<br>
        selector                &quot;round-robin 0&quot;<br>
        prio                    const<br>
        user_friendly_names     no<br>
        getuid_callout          &quot;/lib/udev/scsi_id --whitelisted<br>
--device=/dev/%n&quot;<br>
        failback                manual<br>
        no_path_retry           fail<br>
}<br>
blacklist {<br>
        devnode         &quot;^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*&quot;<br>
        devnode         &quot;^hd[a-z][[0-9]*]&quot;<br>
}<br>
blacklist_exceptions {<br>
}<br>
multipaths {<br>
        multipath {<br>
                alias &quot;san&quot;<br>
                wwid &quot;360060e8006d2e1000000d2e1000000e6&quot;<br>
        }<br>
}<br>
devices {<br>
# For XP arrays<br>
<br>
  device {<br>
        vendor                  &quot;HP&quot;<br>
        product                 &quot;OPEN-.*&quot;<br>
        path_grouping_policy    multibus<br>
        path_selector           &quot;round-robin 0&quot;<br>
        rr_min_io               1000<br>
        rr_weight               uniform<br>
        path_checker            tur<br>
#       no_path_retry           18<br>
#       hardware_handler        &quot;0&quot;<br>
#       failback                immediate<br>
#       getuid_callout          &quot;/lib/udev/scsi_id -g -u /dev/%n&quot;<br>
  }<br>
<br>
}<br>
<br>
I&#39;ve commented out some of the HP template device lines due to the<br>
recommended configuration for clustering, read in the SLES 11 Sp1 Storage<br>
Administration Guide:<br>
<br>
&quot;We recommend failback setting of &quot;manual&quot; for multipath in cluster<br>
environments in order to prevent multipath failover ping-pong.&quot;<br>
<br>
and in the mailing list: &quot; Fourth, don&#39;t run SBD on queue_if_no_path MPIO.&quot;<br>