I have a Dell server running cent 5.6, new install, connecting to an IBM DS3500. I have configured iscsi connections using iscsid and can log into the targets on the IBM. I can also mount the LUNs when accessing them from their active controller path. When I throw multipath into the mix, it fails completely. Multipath is working, when I run multipath -ll it shows me the correct active path and it is mapped to a device under /dev/mapper. However, if I try to access the device from that path, no luck. A mount request just hangs and eventually there's a kernel error message.
I'm using the native rdac drivers that came with the OS. Anyone using something similar? My guess is that it's either bad drivers, or a bad multipath config. I started with the default, but after tweaking different parameters, it's still not working.
Any advice is greatly appreciated.
thanks,
Adam Wead
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