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



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.
> 
> 


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