i have not use multipath on rhel 4.8 but check if is due to max length for device name as in following bugzilla ( following is for rhel 5.0 )
https://bugzilla.redhat.com/show_bug.cgi?id=294351#c2 try to assign name which is < 16 in /etc/multipath.conf & check if its working. try giving /dev/mapper/qd in your /etc/cluster.conf <https://bugzilla.redhat.com/show_bug.cgi?id=294351#c2> On Thu, Aug 12, 2010 at 4:24 AM, Paul M. Dyer <[email protected]>wrote: > I use multipath on RHEL 5.5 with RHCS clusters. The "multipath -l" should > show you if your paths are available. > > Paul > > ----- Original Message ----- > From: "Mesut Pak" <[email protected]> > To: "[email protected]" <[email protected]> > Sent: Tuesday, August 3, 2010 1:16:35 PM > Subject: [Linux-cluster] RHEL 4.8 QDisk DM-Multipath Issue > > MP Stationery > I am having a back and forth with RH support on this. > Problem is my fibre attached qdisk is dm-multipathed yet when I issue > "mkqdisk -L" I don't see the /dev/mapper/mpath... but LUNs seen from > individual fibre paths. > In addition when I unplug cable (path B) for /dev/sdh1 (same as > /dev/dm-13), that node gets fenced out. > > # mkqdisk -L > mkqdisk v0.5.2 > /dev/sdd1: > Magic: eb7a62c2 > Label: san_qdisk > Created: Mon Aug 2 13:19:09 2010 > Host: host1 > Kernel Sector Size: 512 > Recorded Sector Size: 512 > > /dev/sdh1: > Magic: eb7a62c2 > Label: san_qdisk > Created: Mon Aug 2 13:19:09 2010 > Host: host1 > Kernel Sector Size: 512 > Recorded Sector Size: 512 > > /dev/dm-13: > Magic: eb7a62c2 > Label: san_qdisk > Created: Mon Aug 2 13:19:09 2010 > Host: host1 > Kernel Sector Size: 512 > Recorded Sector Size: 512 > > Has anybody got dm-multipath working for qdisk on RHEL 4.8 cluster? > -- Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster > > -- > Linux-cluster mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/linux-cluster >
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