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[Linux-cluster] RHEL 4.8 QDisk DM-Multipath Issue



Title: 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?

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