From: Alan Stern <stern@rowland.harvard.edu>
To: Jan Kara <jack@suse.cz>
Cc: Boaz Harrosh <bharrosh@panasas.com>, <tmhikaru@gmail.com>,
Kernel development list <linux-kernel@vger.kernel.org>,
USB list <linux-usb@vger.kernel.org>,
Jens Axboe <axboe@kernel.dk>,
SCSI development list <linux-scsi@vger.kernel.org>,
<linux-ext4@vger.kernel.org>
Subject: Re: Weird I/O errors with USB hard drive not remounting filesystem readonly
Date: Tue, 24 Nov 2009 15:13:01 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44L0.0911241510590.2881-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <20091124195607.GC16662@quack.suse.cz>
On Tue, 24 Nov 2009, Jan Kara wrote:
> After digging in block layer code, it's as we suspected:
> In case of host error DID_ERROR (which is our case), scsi request is
> retried iff it is not a FAILFAST request which is set if bio is doing
> readahead... So this is explained and everything behaves as it should.
> Thanks everybody involved :).
Okay, very good. There remains the question of the disturbing error
messages in the system log. Should they be supressed for FAILFAST
requests?
Alan Stern
WARNING: multiple messages have this Message-ID (diff)
From: Alan Stern <stern@rowland.harvard.edu>
To: Jan Kara <jack@suse.cz>
Cc: Boaz Harrosh <bharrosh@panasas.com>,
tmhikaru@gmail.com,
Kernel development list <linux-kernel@vger.kernel.org>,
USB list <linux-usb@vger.kernel.org>,
Jens Axboe <axboe@kernel.dk>,
SCSI development list <linux-scsi@vger.kernel.org>,
linux-ext4@vger.kernel.org
Subject: Re: Weird I/O errors with USB hard drive not remounting filesystem readonly
Date: Tue, 24 Nov 2009 15:13:01 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.44L0.0911241510590.2881-100000@iolanthe.rowland.org> (raw)
In-Reply-To: <20091124195607.GC16662@quack.suse.cz>
On Tue, 24 Nov 2009, Jan Kara wrote:
> After digging in block layer code, it's as we suspected:
> In case of host error DID_ERROR (which is our case), scsi request is
> retried iff it is not a FAILFAST request which is set if bio is doing
> readahead... So this is explained and everything behaves as it should.
> Thanks everybody involved :).
Okay, very good. There remains the question of the disturbing error
messages in the system log. Should they be supressed for FAILFAST
requests?
Alan Stern
next prev parent reply other threads:[~2009-11-24 20:13 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-13 5:09 Weird I/O errors with USB hard drive not remounting filesystem readonly tmhikaru
2009-11-19 16:07 ` Jan Kara
[not found] ` <20091120082359.GA29538@roll>
[not found] ` <20091120094641.GB15422@duck.suse.cz>
2009-11-23 8:09 ` tmhikaru
2009-11-23 10:54 ` Jan Kara
2009-11-23 15:06 ` Alan Stern
2009-11-23 15:06 ` Alan Stern
2009-11-23 16:09 ` Jan Kara
2009-11-23 18:20 ` Alan Stern
2009-11-23 18:20 ` Alan Stern
2009-11-23 18:54 ` Jan Kara
2009-11-23 19:50 ` tmhikaru
2009-11-23 20:06 ` tmhikaru
2009-11-23 20:06 ` tmhikaru-Re5JQEeQqe8AvxtiuMwx3w
2009-11-23 20:33 ` Alan Stern
2009-11-23 20:33 ` Alan Stern
2009-11-23 23:42 ` tmhikaru
2009-11-23 23:42 ` tmhikaru-Re5JQEeQqe8AvxtiuMwx3w
2009-11-24 17:16 ` Alan Stern
2009-11-24 17:16 ` Alan Stern
2009-11-24 17:47 ` Boaz Harrosh
2009-11-24 19:28 ` Alan Stern
2009-11-24 19:28 ` Alan Stern
2009-11-24 19:56 ` Jan Kara
2009-11-24 20:13 ` Alan Stern [this message]
2009-11-24 20:13 ` Alan Stern
2009-11-24 20:39 ` Jan Kara
2009-11-24 21:50 ` tmhikaru
2009-11-24 22:23 ` tmhikaru
2009-11-25 8:42 ` Jan Kara
2009-11-25 9:37 ` tmhikaru
2009-11-25 16:10 ` Alan Stern
2009-11-25 16:10 ` Alan Stern
2009-11-27 9:43 ` tmhikaru
2009-11-27 13:13 ` Jan Kara
2009-11-27 17:58 ` Alan Stern
2009-11-27 17:58 ` Alan Stern
2009-11-27 17:58 ` Alan Stern
2009-11-29 4:30 ` tmhikaru
2009-11-24 18:00 ` Jan Kara
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