[Linux-cluster] SCSI Error

[wind past]

thanks ,i will try it later

2007/7/2, Bob Peterson <rpeterso at redhat.com>:
>
> On Mon, 2007-07-02 at 15:23 +0800, pastany wrote:
> > I am running a 4 node cluster with a fc switch and a fujitsu fc san
> > but i recevie this message ,and some partions dont work
> >
> > Jun 27 19:23:49 test1 kernel: SCSI error : <3 0 0 0> return code =
> > 0x10000
> > Jun 27 19:23:49 test1 kernel: end_request: I/O error, dev sdb, sector
> > 668992848
>
> Hi Pastany,
>
> This sounds like a hardware problem to me, not a GFS problem.
> It could be a bad drive, bad san or bad Host Bus Adapter (HBA).
> Perhaps you should unmount the san from all the nodes, then
> from one node, do a simple read test of the san:
>
> 1. Check dmesg and maybe clear your dmesg buffer:
>    dmesg -c
> 2. Try reading every sector of the san:
>    dd if=/dev/sdb of=/dev/null bs=1M
> 3. Check your console / dmesg to see if SCSI errors are reported.
>
> You may want to try that separately on a few different nodes just
> in case the error was caused by a bad HBA in the node that
> reported the problem.
>
> Regards,
>
> Bob Peterson
> Red Hat Cluster Suite
>
>
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