From: NeilBrown <neilb@suse.de>
To: Yathindra <ydev@cs.utah.edu>
Cc: linux-raid@vger.kernel.org
Subject: Re: mdadm help
Date: Thu, 20 Oct 2011 14:03:15 +1100 [thread overview]
Message-ID: <20111020140315.716d9c2e@notabene.brown> (raw)
In-Reply-To: <4E9F8C37.1060706@cs.utah.edu>
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On Wed, 19 Oct 2011 20:49:27 -0600 Yathindra <ydev@cs.utah.edu> wrote:
> Hi,
>
> I'm trying to use the faulty personality of mdadm tool to inject various
> disk failure patterns
> such as medium errors, unresponsive disk etc.
>
> I'm wondering if there is an option to delay commands to get an
> unresponsive behavior.
No, there is no way to get a delay. You either get a success or a failure.
> Also, does rt (readtransient) and wt (writetransient) fault options act
> as medium errors.
They simple report an error. The linux block layer doesn't distinguish
reliably amongst different types or errors (or it didn't last time I checked).
NeilBrown
>
> Thanks,
> Yathi
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next prev parent reply other threads:[~2011-10-20 3:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-20 2:49 mdadm help Yathindra
2011-10-20 3:03 ` NeilBrown [this message]
2011-10-20 3:12 ` Yathindra
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