Re: Sun StorageTek 2530 and dm?

[Chandra Seetharaman <sekharan@us.ibm.com>]

On Mon, 2009-08-24 at 23:19 +0200, Jakov Sosic wrote:
> On Mon, 24 Aug 2009 13:57:31 -0700
> Chandra Seetharaman <sekharan@us.ibm.com> wrote:
> 
> Also from the dmesg - if it helps:
> 
> 
> device-mapper: table: 253:0: multipath: error getting device
> device-mapper: ioctl: error adding target to table
> device-mapper: table: 253:0: multipath: error getting device
> device-mapper: ioctl: error adding target to table

Above message is most likely from your root disk (it is a scsi disk,
right ?).

You can avoid getting this by adding a blacklist in your multipath.conf
file.
> rdac: device handler registered
> device-mapper: multipath: Using scsi_dh module scsi_dh_rdac for
> failover/failback and device management.
> sd 1:0:1:0: rdac: LUN 0 (owned)
> sd 1:0:0:0: rdac: LUN 0 (unowned)
> device-mapper: multipath: Using scsi_dh module scsi_dh_rdac for
> failover/failback and device management.
> sd 1:0:1:1: rdac: LUN 1 (owned)
> sd 1:0:0:1: rdac: LUN 1 (unowned)
> device-mapper: multipath: Using scsi_dh module scsi_dh_rdac for
> failover/failback and device management.
> sd 1:0:0:2: rdac: LUN 2 (owned)
> sd 1:0:1:2: rdac: LUN 2 (unowned)

These are good.
> 
> 
> 
>