Bug#623611: Lot of IO errors during boot

[Laurent Bigonville]

Le Fri, 22 Apr 2011 04:26:41 +0530,
Ritesh Raj Sarraf <rrs at researchut.com> a écrit :

> Please post your multipath.conf file.

The file is attached.

> > cc_fleet_otf_test_4_1 (3600a0b80004725120000152a4d5cdd9e) dm-1
> > IBM,1815      FAStT
> 
> Can you disable hwhandler and test? The device ID listed here looks to
> be that of DATA ONTAP.

I'm not sure I've followed you here, the SAN is an IBM DS4800, "DATA
ONTAP" is netapp isn't it?

Even without hardware_handler "1 rdac" in the configuration, multipath
always shows hwhandler='1 rdac', and I still get the I/O errors during
boot.

> > size=500G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
> > |-+- policy='round-robin 0' prio=12 status=active
> > | |- 0:0:1:1 sdb 8:16 active ready running
> > | `- 1:0:1:1 sdd 8:48 active ready running
> > `-+- policy='round-robin 0' prio=2 status=enabled
> >   |- 0:0:0:1 sda 8:0  active ghost running
> >   `- 1:0:0:1 sdc 8:32 active ghost running

Cheers

Laurent Bigonville
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