FW: Preempting all target ports
Ulrich, David
dulrich at lsil.com
Mon Dec 1 11:36:11 PST 2003
* From the T10 Reflector (t10 at t10.org), posted by:
* "Ulrich, David" <dulrich at lsil.com>
*
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In that case I would have to agree with your conclusion as well.
-----Original Message-----
From: Ralph O. Weber [ mailto:roweber at IEEE.org
]
Sent: Monday, December 01, 2003 1:42 PM
To: 't10 at t10.org'
Subject: Re: FW: Preempting all target ports
* From the T10 Reflector (t10 at t10.org), posted by:
* "Ralph O. Weber" <roweber at ieee.org>
*
I was looking at the case where there is a reservation in
place. My understanding is that an initiator can preempt
its own reservation.
Regards,
.Ralph
Ulrich, David wrote:
>
>
> -----Original Message-----
> From: Ulrich, David
> Sent: Monday, December 01, 2003 8:11 AM
> To: 'Ralph Weber'
> Subject: RE: Preempting all target ports
>
>
> In regard to the case of a preempt with no reservation in place, I
> haven't been able to find any explicit statements to indicate that the
> I_T nexus that the command was issued on is exempt from the removal of
> the reservation key. Is there something specific that conclusion "a"
> below is based on?
>
> Best Regards,
>
> David Ulrich
> Staff Software Engineer
> LSI Logic Storage Systems
> 3718 N. Rock Road
> (316) 636-8871
> david.ulrich at lsil.com
> www.lsilogicstorage.com
>
> > LSI Logic Storage Systems
> > AT THE HEART OF INFORMATION
> >
>
>
> -----Original Message-----
> From: Ralph Weber [ mailto:roweber at IEEE.org
]
> Sent: Sunday, November 30, 2003 10:36 AM
> To: T10 Reflector
> Subject: Preempting all target ports
>
>
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Ralph Weber <roweber at ieee.org>
> *
> Suppose that an initiator registers using the ALL_TG_PT option.
>
> Sometime later for whatever reason, the initiator decides to
> preempt its own reservation key.
>
> Would you expect that:
>
> a) the registration is preempted on all target ports except
> the target port through which the preempt was delivered, or
> b) the registration is not preempted on any of the target
> ports associated with the preempting initiator?
>
> I believe that SPC-3 says a). Furthermore, the a) interpretation
> is being solidified by seemingly editorial requests to change
> 'initiator port' to 'I_T nexus' throughout the Persistent
> Reservations model.
>
> FYI
>
> .Ralph
>
>
> *
> * For T10 Reflector information, send a message with
> * 'info t10' (no quotes) in the message body to majordomo at t10.org
>
*
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RE: FW: Preempting all target ports In that case I would have to agree with your conclusion as well. -----Original Message-----
From: Ralph O. Weber [mailto:roweber at IEEE.org]
Sent: Monday, December 01, 2003 1:42 PM
To: 't10 at t10.org'
Subject: Re: FW: Preempting all target ports
* From the T10 Reflector (t10 at t10.org), posted by:
* ;Ralph O. Weber; <roweber at ieee.org>
*
I was looking at the case where there is a reservation in
place. My understanding is that an initiator can preempt
its own reservation. Regards, .Ralph Ulrich, David wrote: >
>
> -----Original Message-----
> From: Ulrich, David
> Sent: Monday, December 01, 2003 8:11 AM
> To: 'Ralph Weber'
> Subject: RE: Preempting all target ports
>
>
> In regard to the case of a preempt with no reservation in place, I
> haven't been able to find any explicit statements to indicate that the
> I_T nexus that the command was issued on is exempt from the removal of
> the reservation key. Is there something specific that conclusion ;a;
> below is based on?
>
> Best Regards,
>
> David Ulrich
> Staff Software Engineer
> LSI Logic Storage Systems
> 3718 N. Rock Road
> (316) 636-8871
> david.ulrich at lsil.com
> www.lsilogicstorage.com
>
> > LSI Logic Storage Systems
> > AT THE HEART OF INFORMATION
> >
>
>
> -----Original Message-----
> From: Ralph Weber [mailto:roweber at IEEE.org]
> Sent: Sunday, November 30, 2003 10:36 AM
> To: T10 Reflector
> Subject: Preempting all target ports
>
>
> * From the T10 Reflector (t10 at t10.org), posted by:
> * Ralph Weber <roweber at ieee.org>
> *
> Suppose that an initiator registers using the ALL_TG_PT option.
>
> Sometime later for whatever reason, the initiator decides to
> preempt its own reservation key.
>
> Would you expect that:
>
> a) the registration is preempted on all target ports except
> the target port through which the preempt was delivered, or
> b) the registration is not preempted on any of the target
> ports associated with the preempting initiator?
>
> I believe that SPC-3 says a). Furthermore, the a) interpretation
> is being solidified by seemingly editorial requests to change
> 'initiator port' to 'I_T nexus' throughout the Persistent
> Reservations model.
>
> FYI
>
> .Ralph
>
>
> *
> * For T10 Reflector information, send a message with
> * 'info t10' (no quotes) in the message body to majordomo at t10.org
> *
* For T10 Reflector information, send a message with
* 'info t10' (no quotes) in the message body to majordomo at t10.org
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