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From: Yathindra <ydev@cs.utah.edu>
To: "Bryn M. Reeves" <bmr@redhat.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: Simulating faulty disk
Date: Thu, 20 Oct 2011 09:45:05 -0600	[thread overview]
Message-ID: <4EA04201.1050702@cs.utah.edu> (raw)
In-Reply-To: <4E9FE97E.4030209@redhat.com>

Hi Bryn,

Thanks for that info. Could you please tell me where I can find more 
details about using it.

Thanks again,
Yathi

On 10/20/2011 3:27 AM, Bryn M. Reeves wrote:
> On 10/20/2011 04:18 AM, Yathindra wrote:
>> I'm trying to simulate a faulty disk behavior on linux. Basically, I
>> want to inject various disk failure patterns
>> such as medium errors, unresponsive disk etc.
>
> If using a device-mapper device is acceptable for your purpose there 
> are the dm-flakey and dm-delay targets that can add delays, drop and 
> corrupt writes and introduce intermittent I/O errors.
>
> The targets can be stacked to give devices having any combination of 
> these behaviours.
>
> Regards,
> Bryn.


  reply	other threads:[~2011-10-20 15:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-20  3:18 Simulating faulty disk Yathindra
     [not found] ` <20111020044734.GC15211@atlantis.cc.ndsu.nodak.edu>
2011-10-20  7:30   ` Yathindra
2011-10-20  8:43     ` Yathindra
2011-10-20  9:27 ` Bryn M. Reeves
2011-10-20 15:45   ` Yathindra [this message]
2011-10-20 15:56     ` Bryn M. Reeves
2011-10-20 15:59       ` Yathindra
2011-10-20 16:46       ` Yathindra
2011-10-20 17:40         ` Bryn M. Reeves
2011-10-20 17:53           ` Yathindra
     [not found]             ` <4EA13A52.60902@redhat.com>
     [not found]               ` <4EA18610.3050900@cs.utah.edu>
2011-10-21 14:56                 ` Bryn M. Reeves
2011-10-21 15:00                   ` Yathindra
2011-10-21 15:13                     ` Yathindra
2011-10-21 15:21                       ` Bryn M. Reeves
2011-10-21 16:33                         ` Yathindra
2011-10-22  6:16                         ` Yathindra
2011-10-21  4:14           ` Yathindra

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