From: djshetty <dhirajshetty.junk@mailnull.com>
To: linux-scsi@vger.kernel.org
Subject: Some doubts in Persistent Reservation
Date: Thu, 23 Nov 2006 23:55:16 -0800 (PST) [thread overview]
Message-ID: <7519006.post@talk.nabble.com> (raw)
Hi,
I have been trying to understand PERSISTENT RESERVATION as per SCSI SPC-3
standards. I had the following two doubts:
1. Is persistent reservation applied on a target port or on a particular
LUN connected to a target port. The SCOPE of persistent reservation says
"Entire LOGICAL UNIT", whereas the registration is done for a target PORT.
Hence the confusion.
2. Is there any precise use of the PRGeneration key? I guessed it must be
used for knowing whether any changes have been on the target (with regards
to persistent reservation) since the previous command executed.
Regards,
Dhiraj.
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next reply other threads:[~2006-11-24 7:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-24 7:55 djshetty [this message]
2006-11-24 15:02 ` Some doubts in Persistent Reservation James Bottomley
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