[dm-devel] About using multipath in SLES 10
Erez Zilber
erezz at voltaire.com
Mon Jan 28 15:33:28 UTC 2008
Hi,
I guess that I'm missing something:
I started /etc/init.d/multipathd on SLES 10 sp1 and now I see the
following devices:
seed1:~ # multipath -ll
SATA_HDS728080PLA380_PFDB32E8TPKR5Mdm-0 ATA,HDS728080PLA380
[size=77G][features=0][hwhandler=0]
\_ round-robin 0 [prio=1][active]
\_ 3:0:0:0 sdb 8:16 [active][ready]
3600c0ff000d508d7def2894702000000dm-1 DotHill,R/Evo 2730-2R
[size=82G][features=0][hwhandler=0]
\_ round-robin 0 [prio=1][active]
\_ 16:0:0:0 sdc 8:32 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 17:0:0:0 sdd 8:48 [active][ready]
3600c0ff000d508d7dff2894701000000dm-2 DotHill,R/Evo 2730-2R
[size=82G][features=0][hwhandler=0]
\_ round-robin 0 [prio=1][active]
\_ 18:0:0:0 sde 8:64 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 19:0:0:0 sdf 8:80 [active][ready]
I understand that sdc & sdd are mapped to dm-1. However, I don't
understand how to use dm-1. For example, I can't run INQUIRY on it:
seed1:~ # sg_inq /dev/dm-1
Both SCSI INQUIRY and fetching ATA information failed on /dev/dm-1
I guess that I'm doing something wrong here... What should I do?
Thanks,
Erez
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