SAS 1.1 Protocol-Specific Logical Unit mode page question
Paul Suhler
Paul.Suhler at quantum.com
Thu Aug 4 08:30:37 PDT 2005
* From the T10 Reflector (t10 at t10.org), posted by:
* "Paul Suhler" <Paul.Suhler at Quantum.com>
*
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The The LTO and DDS side of Quantum would prefer that this field NOT be =
changeable -- we always want to use retries.
Other Quantum tape product developers may hold a different opinion.
:-)
Paul Suhler
Quantum QSD
> _____________________________________________=20
> From: owner-t10 at t10.org@CERTANCE On Behalf Of "Bill Martin" =
<bill_martin at sierralogic.com>
> Sent: Wednesday, August 03, 2005 8:01 PM
> To: Robert Elliot; t10 at t10.org
> Subject: SAS 1.1 Protocol-Specific Logical Unit mode page question
>=20
>=20
> In Protocol-Specific Logical Unit mode page for SAS SSP, there is a =
field called "Transport Layer Retries". There is no indication of a =
requirement for this field to be changeable. While it is possible to =
determine if it is changeable in a particular implementation, If it is =
not changeable there is no mechanism documented to allow an initiator to =
stop the target from performing transport layer retries.
> =20
> Was the intention that this field be required to be changeable?
> =20
> =20
> Bill Martin
> Sr. Principal Engineer
> Standards and Interoperability
> Sierra Logic, Inc.
> 916 772-3658
> 916 765-6875 (Cell)
> bill_martin at sierralogic.com
> =20
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The The LTO and DDS side of Quantum would prefer that = this field NOT be changeable -- we always want to use = retries.
Other Quantum tape product developers may hold a = different opinion.
:-)
Paul Suhler
Quantum QSD
_____________________________________________ =
From: = owner-t10 at t10.org@CERTANCE On Behalf Of "Bill Martin" = <bill_martin at sierralogic.com>
Sent: Wednesday, August 03, 2005 8:01 PM
To: Robert Elliot; t10 at t10.org
Subject: = SAS 1.1 Protocol-Specific Logical = Unit mode page question
In Protocol-Specific Logical Unit mode page for SAS SSP, there is a = field called "Transport Layer Retries".=A0 There is no = indication of a requirement for this field to be changeable.=A0 While it = is possible to determine if it is changeable in a particular = implementation, If it is not changeable there is no mechanism documented = to allow an initiator to stop the target from performing transport layer = retries.
=A0
Was the intention that this field be required to be = changeable?
=A0
=A0
Bill Martin
Sr. Principal Engineer
Standards and Interoperability
Sierra Logic, Inc.
916 772-3658
916 765-6875 (Cell)
bill_martin at sierralogic.com
=A0
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