I have 2 external hardware RAID devices that have 2 SCSI channels each. I have 2 SCSI HBA's in each host.
The external RAID devices only have a single RAID controller. So for full single point of failure avoidance I would like to do software RAID1 across the two external arrays.
The documentation I am reading says that software RAID cannot be done on "shared" storage.
I am a little confused. I know the quorum drives may be "shared"
and a GFS filesystem might be shared, but is a filesystem used by an HA service "shared"?
Can I setup a RAID1 device that migrates to an active cluster member with the service?
-Ben.
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