Labeling Multipath drives

Kenny Lussier klussier at gmail.com
Wed Mar 18 08:46:11 EDT 2009


Hi All,


I currently have a failover cluster  with a shared  iSCSI disk. It is just
an ext3 partition that has a disk label. If the primary box drops, the
backup box (through the magic of clustering), knows that it needs to mount
the disk where "LABEL=HA_DISK". However, I am soon going to be moving the
storage to a fiber channel SAN. The boxes will each have two FC HBA's in
them, giving them each eight total paths to the SAN volume. The problem that
I have is that if I use e2label on the partition that ends up in
/dev/mapper, I can't mount by label. I get an error saying "Multiple drives
found with identical label". Does anyone know how to work around this?

TIA,
Kenny
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