Using an EMC AX100 SAN with Debian and a Dell 1955 blade

[Stephen Carr]

Okay, I've gotten pretty far in the process of setting up a AX100 array
with a Dell 1955 blade with the Qlogic HBA's (QME2462's) by using the
NaviSphere Utility but have run into a wall trying to get Multipath to
work with the SAN. Has anyone had experience getting multipath to work
with an EMC AX100 (or something similar). I just can't get it top see
the multiple connections as one device no matter what I try. I have two
HBA connections and each connection can see both Storage Processors so
you get something like this

/dev/sdb - active HBA1 to SPA (I have a partition (sdb1) that works fine
stand alone
/dev/sdc - inactive HBA1 to SPB (fdisk doesn't see this device at it is
inactive)
/dev/sdd - active HBA2 to SPA (it sees the sdb1 partition as sdd1 and
can be mounted like sdb1)
/dev/sde - inactive HBA2 to SPB (fdisk doesn't see this device at it is
inactive)

Any type of grouping I try fails so any leads would be greatly
appreciated (I can post my multipath.conf file if needed)
Thanks in advance.

Stephen Carr
Network Administrator II
Bastyr University
scarr at bastyr.edu


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