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Re: [dm-devel] Sun StorageTek 2530 and dm?

On Mon, 24 Aug 2009, Chandra Seetharaman wrote:

On Tue, 2009-08-25 at 01:13 +0200, Jakov Sosic wrote:
On Mon, 24 Aug 2009 16:07:22 -0700
Chandra Seetharaman <sekharan us ibm com> wrote:

scsi_dh_rdac modules is insmodded by multipath when multipathd is
started (by virtue of you having hardware_handler "1 rdac" in
your /etc/muliutpath.conf file.

So, it is effective when multipath starts.

If it is effective, I don't need to patch it... Thank you very much.

You were saying that you could provide some debugging code if I'm
interested? Well it seems that I don't have a choice... So please do
so :)

Basically I want to find out if we are getting and sense codes that we
are not handling. To that effect, andd the following line at the top of
the function rdac_check_sense()
sdev_printk(KERN_ERR, sdev, "I/O returned with sense %02x/%02x/%02x",
                     sense_hdr->sense_key, sense_hdr->asc, sense_hdr->ascq);

compile the module, run your tests and get me /var/log/messages.

Might this be the same issue as you worked through with Babu last October?


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