From: George Shuklin <george.shuklin@gmail.com>
To: majianpeng <majianpeng@gmail.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Add set bad lba function in md-faulty module.
Date: Thu, 17 May 2012 15:49:29 +0400 [thread overview]
Message-ID: <4FB4E5C9.5090103@gmail.com> (raw)
In-Reply-To: <201205151949130004425@gmail.com>
On 15.05.2012 15:49, majianpeng wrote:
> Hi all:
> In order to test md code, sometime we need simulate read/write harddisk error.
> Using hdparm --make-bad-sector to simulate read error.But I did not find way of simulating write-error.
> I tested md-faulty module, it can do this.But it is not provide the function link hdparm --make-bad-sector,which did not set lba.
> Using hdpamr --make-bad-sector to simulate read error can cause some problem.
> It will cause ata commnd reset,disk reset and so on.It take too log time.
> So I think add a function in md-faulty which can set read/write lba.
> How about ?
>
>
How about using an iscsi at localhost? Export disk via ISCSI target,
connect to it with initiator. With iptables and open-iscsi settings you
can precisely control error behavior and imitate all kinds of errors
(including timeouts).
next prev parent reply other threads:[~2012-05-17 11:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 11:49 Add set bad lba function in md-faulty module majianpeng
2012-05-17 11:49 ` George Shuklin [this message]
2012-05-18 8:41 ` majianpeng
-- strict thread matches above, loose matches on Subject: below --
2012-05-14 10:22 kedacomkernel
2012-05-15 0:16 ` NeilBrown
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