[dm-devel] NIC and HBA based multipathing

[Mike Anderson]

Scott Moseman <scmoseman at gmail.com> wrote:
> Thanks, Mike, I was just about to give this a try when I came upon
> another problem (unrelated to MPIO, though).  The server was down, and
> ever since bringing it back online I've been unable to get the HBA to
> mount.  I disabled the iSCSI initiator for the NIC so that I'm only
> dealing with the HBA, but I get this error:
> 
> # mount /dev/sdb1 /sanHBA
> mount: /dev/sdb1 already mounted or /sanHBA busy
> 
> I did a fresh config using the iscli tool, and /dev/sdb1 was the
> resulting partition that it found.
> 

It appears something else has claimed the device prior to your mount call. 
	- Is it lvm? Run pvs and see if the device was claimed. If that is
	  not what you want you may need to use the lvm.conf filters.

-andmike
--
Michael Anderson
andmike at linux.vnet.ibm.com