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From: Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>
To: Jack Wang <jinpu.wang-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
Cc: David Dillow <dillowda-1Heg1YXhbW8@public.gmane.org>,
	Vu Pham <vuhuong-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	Sebastian Riemer
	<sebastian.riemer-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>,
	linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 05/14] IB/srp: Maintain a single connection per I_T nexus
Date: Wed, 12 Jun 2013 17:15:37 +0200	[thread overview]
Message-ID: <51B89099.5080300@acm.org> (raw)
In-Reply-To: <51B885C7.1020701-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>

On 06/12/13 16:29, Jack Wang wrote:
>> An SRP target is required to maintain a single connection between
>> initiator and target. This means that if the 'add_target' attribute
>> is used to create a second connection to a target that the first
>> connection will be logged out and that the SCSI error handler will
>> kick in. The SCSI error handler will cause the SRP initiator to
>> reconnect, which will cause I/O over the second connection to fail.
>> Avoid such ping-pong behavior by disabling relogins. Note: if
>> reconnecting manually is necessary, that is possible by deleting
>> and recreating an rport via sysfs.
>>
>> Signed-off-by: Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>
>> Cc: Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
>> Cc: David Dillow <dillowda-1Heg1YXhbW8@public.gmane.org>
>> Cc: Vu Pham <vu-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>> Cc: Sebastian Riemer <sebastian.riemer-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
>
> Thanks Bart for refreshing this new patch set. I think you should add
> Signed-off-by for Sebastian ?

This patch differs slightly from what Sebastian had posted. But if 
Sebastian agrees with this version, I'll be happy to add his signed-off-by.

Bart.

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  parent reply	other threads:[~2013-06-12 15:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-12 14:29 RE:[PATCH 05/14] IB/srp: Maintain a single connection per I_T nexus Jack Wang
     [not found] ` <51B885C7.1020701-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
2013-06-12 15:15   ` Bart Van Assche [this message]
  -- strict thread matches above, loose matches on Subject: below --
2013-06-12 13:17 [PATCH 0/14] IB SRP initiator patches for kernel 3.11 Bart Van Assche
     [not found] ` <51B87501.4070005-HInyCGIudOg@public.gmane.org>
2013-06-12 13:25   ` [PATCH 05/14] IB/srp: Maintain a single connection per I_T nexus Bart Van Assche
     [not found]     ` <51B876BF.4070400-HInyCGIudOg@public.gmane.org>
2013-06-13 13:57       ` Sebastian Riemer
     [not found]         ` <51B9CFC3.8080008-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
2013-06-13 15:07           ` Bart Van Assche
     [not found]             ` <51B9E046.3030008-HInyCGIudOg@public.gmane.org>
2013-06-13 15:35               ` Sebastian Riemer
2013-06-13 17:50       ` Vu Pham
     [not found]         ` <51BA0655.6090707-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-06-13 18:25           ` Bart Van Assche
     [not found]             ` <51BA0E8F.3030104-HInyCGIudOg@public.gmane.org>
2013-06-13 23:27               ` Vu Pham
     [not found]                 ` <51BA555F.9060807-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-06-14  9:38                   ` Sebastian Riemer
     [not found]                     ` <51BAE482.1050304-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
2013-06-14 17:07                       ` Vu Pham
     [not found]                         ` <51BB4DBB.4070800-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-06-17  9:41                           ` Sebastian Riemer
2013-06-27 21:10       ` David Dillow
     [not found]         ` <1372367432.32164.36.camel-zHLflQxYYDO4Hhoo1DtQwJ9G+ZOsUmrO@public.gmane.org>
2013-06-28  7:40           ` Bart Van Assche

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