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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?
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