Re: [Ips] time-out for R2T PDUs?

"Erez Zilber" <erezzi.list@gmail.com> Thu, 06 November 2008 15:53 UTC

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Date: Thu, 06 Nov 2008 17:53:12 +0200
From: Erez Zilber <erezzi.list@gmail.com>
To: Julian Satran <Julian_Satran@il.ibm.com>
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Cc: ips@ietf.org
Subject: Re: [Ips] time-out for R2T PDUs?
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Got it. Thanks.

Erez

On Thu, Nov 6, 2008 at 5:31 PM, Julian Satran <Julian_Satran@il.ibm.com> wrote:
> The target may try to finish the command with a "check condition" or some
> connection recovery before resorting  to the big hammer.
>
> Julo
>
>
> From:
> "Erez Zilber" <erezzi.list@gmail.com>
> To: Julian Satran/Haifa/IBM@IBMIL
> Cc: "Deva Ranganathan" <deva.ranganathan@gmail.com>, ips@ietf.org
> Date: 06/11/2008 10:15
> Subject: Re: [Ips] time-out for R2T PDUs?
> ________________________________
>
>
> There could be a situation in which NOP-IN PDUs from the target are
> sent successfully to the initiator, but some bug causes the initiator
> not to send the data-out PDU. According to what you say, the target
> may decide that it can't wait anymore and logout, right?
>
> Thanks,
> Erez
>
> On Thu, Nov 6, 2008 at 3:09 PM, Julian Satran <Julian_Satran@il.ibm.com>
> wrote:
>> Correct - there is no standard time-out. Regards, Julo
>>
>>
>> From: "Deva Ranganathan" <deva.ranganathan@gmail.com>
>> To: "Erez Zilber" <erezzi.list@gmail.com>
>> Cc: ips@ietf.org
>> Date: 06/11/2008 04:20
>> Subject: Re: [Ips] timeout for R2T PDUs?
>> ________________________________
>>
>>
>>
>>
>> On Thu, Nov 6, 2008 at 2:46 PM, Deva Ranganathan
>> <deva.ranganathan@gmail.com> wrote:
>> Erez,
>>
>> I think that this s a target implementation issue wherein the
>> implementation
>> can choose the timeout  depending on the availability of resources  and
>> the
>> software architecture. A target also has a NOP-IN sent periodically and
>> can
>> use this to cleanup  the stale resources as well.
>>
>> thanks
>>
>> Deva
>> HCL Technologies.
>>
>>
>>
>> On Thu, Nov 6, 2008 at 12:54 PM, Erez Zilber <erezzi.list@gmail.com>
>> wrote:
>> Hi,
>>
>> I couldn't find an answer to the following question in iSCSI spec:
>>
>> During the execution of a WRITE command, an R2T PDU is sent from the
>> target to the initiator. What should happen if a bug in the initiator
>> causes it not to send the data-out PDU? Is there any timeout that will
>> allow the target to abort this command?
>>
>> Thanks,
>> Erez
>> _______________________________________________
>> Ips mailing list
>> Ips@ietf.org
>> https://www.ietf.org/mailman/listinfo/ips
>>
>> _______________________________________________
>> Ips mailing list
>> Ips@ietf.org
>> https://www.ietf.org/mailman/listinfo/ips
>>
>>
>>
>
>
>
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