On Oct 6, 2010, at 1:26 PM, Stephan Budach wrote:

> Hi Cindy,
> 
> thanks for bringing that to my attention. I checked fmdump and found a lot of 
> these entries
> 
> Okt 06 2010 17:52:12.862812483 ereport.io.scsi.cmd.disk.tran

...

> Okt 06 2010 17:52:12.862813713 ereport.io.scsi.cmd.disk.recovered

...

> Googling about these errors brought me directly to this document:
> 
> http://dsc.sun.com/solaris/articles/scsi_disk_fma2.html
> 
> which talks about these scsi errors. Since we're talking FC here, it seems to 
> point to some FC issue I have not been aware of. Furthermore, it's always the 
> same FC device that show these errors, so I will try to check the device and 
> it's connections to the fabric first.

SCSI transport errors occur between the HBA and the target.  These are
reported up the stack to Solaris.  As you can see, a retry was successful.
However, these will have negative impacts on performance, so it is best
to solve the problem.
 -- richard

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