From: Ren Mingxin <renmx@cn.fujitsu.com>
To: Hannes Reinecke <hare@suse.de>
Cc: emilne@redhat.com, bmr@redhat.com,
James Bottomley <jbottomley@parallels.com>,
linux-scsi@vger.kernel.org, Bart van Assche <bvanassche@acm.org>,
Joern Engel <joern@logfs.org>
Subject: Re: [PATCHv2 0/7] Limit overall SCSI EH runtime
Date: Fri, 26 Jul 2013 17:52:06 +0800 [thread overview]
Message-ID: <51F246C6.4090003@cn.fujitsu.com> (raw)
In-Reply-To: <51E3CFF5.2070501@cn.fujitsu.com>
Hi, Hannes:
On 07/15/2013 06:33 PM, Ren Mingxin wrote:
> I noticed that the dd time had been reduced from 6m+ to 2m+ when the
> 'eh_deadline' was set as 30s, but the dd time was 6m+(nearly the same
> as default - 'eh_deadline' was 0) when the 'eh_deadline' was set as
> 10s. I havn't been able to dig further, but I guess there is some
> restriction when setting this 'eh_deadline' interface. Maybe should
> not less than some timeout, otherwise 'eh_deadline' setting will not
> work?
I've retried and confirmed that the exception above is caused by
misoperation - for I had two fc hosts to build a failover multipath,
but I just set 'eh_deadline' on one host. When I tested with 10s,
the 'eh_deadline' on the host of the active path wasn't set :-(
Sorry for my mistake. So:
Tested-by: Ren Mingxin <renmx@cn.fujitsu.com>
Thanks,
Ren
next prev parent reply other threads:[~2013-07-26 9:47 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-01 6:50 [PATCHv2 0/7] Limit overall SCSI EH runtime Hannes Reinecke
2013-07-01 6:50 ` [PATCH 1/7] dpt_i2o: Remove DPTI_STATE_IOCTL Hannes Reinecke
2013-07-01 6:50 ` [PATCH 2/7] dpt_i2o: return SCSI_MLQUEUE_HOST_BUSY when in reset Hannes Reinecke
2013-07-01 6:50 ` [PATCH 3/7] advansys: Remove 'last_reset' references Hannes Reinecke
2013-07-01 6:50 ` [PATCH 4/7] tmscsim: Move 'last_reset' into host structure Hannes Reinecke
2013-07-01 6:50 ` [PATCH 5/7] dc395: Move 'last_reset' into internal " Hannes Reinecke
2013-07-01 6:50 ` [PATCH 6/7] scsi: remove check for 'resetting' Hannes Reinecke
2013-07-01 6:50 ` [PATCH 7/7] scsi: Add 'eh_deadline' to limit SCSI EH runtime Hannes Reinecke
2013-09-20 7:48 ` Ren Mingxin
2013-10-16 19:22 ` James Bottomley
2013-10-17 14:27 ` Ewan Milne
2013-10-23 9:25 ` Hannes Reinecke
2013-10-23 7:46 ` James Bottomley
2013-10-23 9:49 ` Hannes Reinecke
2013-07-01 17:44 ` [PATCHv2 0/7] Limit overall " Jörn Engel
2013-07-01 19:23 ` James Bottomley
2013-07-01 20:55 ` Jörn Engel
2013-07-02 5:48 ` Hannes Reinecke
2013-07-02 6:37 ` James Bottomley
2013-07-02 14:58 ` Jörn Engel
2013-07-02 16:33 ` James Bottomley
2013-07-02 15:50 ` Jörn Engel
2013-07-10 20:35 ` Ewan Milne
2013-07-12 5:54 ` Ren Mingxin
2013-07-12 13:30 ` Ewan Milne
2013-07-15 10:33 ` Ren Mingxin
2013-07-26 9:52 ` Ren Mingxin [this message]
2013-08-07 6:43 ` Ren Mingxin
2013-08-29 13:06 ` Hannes Reinecke
2013-09-24 20:51 ` Ric Wheeler
2013-09-25 5:48 ` Hannes Reinecke
2013-10-02 16:21 ` Hannes Reinecke
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