From: Mike Christie <mikenc@us.ibm.com>
To: device-mapper development <dm-devel@redhat.com>
Cc: Arjan van de Ven <arjan@infradead.org>,
"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
"linux-hotplug-devel@lists.sourceforge.net"
<linux-hotplug-devel@lists.sourceforge.net>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: [dm-devel] Re: [ANNOUNCE] multipath-tools-0.3.4
Date: Tue, 26 Oct 2004 17:52:25 +0000 [thread overview]
Message-ID: <417E8ED9.7070506@us.ibm.com> (raw)
In-Reply-To: <20041025210304.GH3714@marowsky-bree.de>
Lars Marowsky-Bree wrote:
> On 2004-10-25T11:38:43, christophe.varoqui@free.fr wrote:
>
>
>>In fact all the sg stuff I use is done with the SG_IO ioctl (see
>>libcheckers/*.c) But somehow, it doesn't work as expected. I don't
>>remember how exactly it failed in my tests but it did ... I remembered
>>receiving bad path status and experiencing blocked checkers.
>
>
> Can you please clarify the error you saw? I didn't experience that yet
> with the SG_IO ioctl().
>
I think it was because of this bug
http://marc.theaimsgroup.com/?l=linux-scsi&m\x108617935710955&w=2
If you are using qla2xxx and you unplug the cable, the qlogic driver
will return did_not_connect in the host byte. If you used
the block layer sg io code you will then not get the host bytes
returned to you, and the checker will always think the patch
is back up.
> Sincerely,
> Lars Marowsky-Brée <lmb@suse.de>
>
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next prev parent reply other threads:[~2004-10-26 17:52 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-25 0:24 [ANNOUNCE] multipath-tools-0.2.9 christophe varoqui
2004-10-06 9:22 ` [ANNOUNCE] multipath-tools-0.3.0 christophe.varoqui
2004-10-06 9:50 ` [dm-devel] " Lars Marowsky-Bree
2004-10-06 10:18 ` christophe.varoqui
2004-10-11 12:00 ` Lars Marowsky-Bree
2004-10-11 12:31 ` christophe.varoqui
2004-10-07 20:01 ` Dave Olien
2004-10-08 12:49 ` christophe.varoqui
2004-10-11 11:50 ` [ANNOUNCE] multipath-tools-0.3.1 christophe.varoqui
2004-10-12 18:35 ` Dave Olien
2004-10-17 14:03 ` multipath-tools-0.3.2 christophe varoqui
2004-10-20 10:46 ` [ANNOUNCE] multipath-tools-0.3.3 christophe.varoqui
2004-10-24 22:14 ` [ANNOUNCE] multipath-tools-0.3.4 christophe varoqui
2004-10-25 8:22 ` Arjan van de Ven
2004-10-25 9:38 ` christophe.varoqui
2004-10-25 10:39 ` Douglas Gilbert
2004-10-25 21:03 ` [dm-devel] " Lars Marowsky-Bree
2004-10-26 17:52 ` Mike Christie [this message]
2004-10-26 10:06 ` [ANNOUNCE] multipath-tools-0.3.5 christophe.varoqui
2004-11-01 17:08 ` [ANNOUNCE] multipath-tools-0.3.6 christophe varoqui
2004-11-11 23:10 ` [ANNOUNCE] multipath-tools-0.3.7 christophe varoqui
2004-11-25 14:55 ` [ANNOUNCE] multipath-tools-0.3.8 christophe varoqui
2004-12-05 15:43 ` [ANNOUNCE] multipath-tools-0.3.9 christophe varoqui
2004-12-12 17:20 ` [ANNOUNCE] multipath-tools-0.4.0 christophe varoqui
2004-12-20 16:01 ` [ANNOUNCE] multipath-tools-0.4.1 christophe varoqui
2004-12-21 22:02 ` [dm-devel] " Caushik, Ramesh
2004-12-21 23:03 ` christophe varoqui
2004-12-21 23:19 ` christophe varoqui
2004-12-22 19:26 ` Caushik, Ramesh
2004-12-22 19:45 ` christophe varoqui
2004-12-22 21:05 ` James.Smart
2004-12-22 21:23 ` christophe varoqui
2004-12-22 21:54 ` Caushik, Ramesh
2004-12-23 13:28 ` Christoph Hellwig
2004-12-23 12:19 ` James.Smart
2005-01-23 23:03 ` [ANNOUNCE] multipath-tools-0.4.2 christophe varoqui
2005-03-19 14:27 ` [ANNOUNCE] multipath-tools-0.4.3 christophe varoqui
2005-04-24 22:26 ` [ANNOUNCE] multipath-tools-0.4.4 christophe varoqui
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