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Groups > linux.kernel > #1309614

Re: crashblk: a block device crash emulator.

From Andreas Dilger <adilger@dilger.ca>
Newsgroups linux.kernel
Subject Re: crashblk: a block device crash emulator.
Date 2016-01-14 20:50 +0100
Message-ID <qQW4b-3gr-35@gated-at.bofh.it> (permalink)
References <qQW4b-3gr-37@gated-at.bofh.it>
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On Jan 13, 2016, at 6:50 PM, Takashi HOSHINO <hoshino@labs.cybozu.co.jp> wrote:
> 
> Hi all,
> 
> I'm developing 'crashblk'.
> It is a memory block device driver to emulate crash, IO error,
> and various response time.

Why not use/improve dm-flakey for this, rather than making yet another
device that does something similar?

Cheers, Andreas

> The source code repository is here:
> https://github.com/starpos/crashblk/
> 
> It is very useful to test wrapper block device drivers,
> and must be useful to test filesystems also.
> I used it to test WalB (https://walb-linux.github.io/),
> which is a wrapper block device driver for backup and asynchronous
> replication, and found/confirmed several bugs.
> 
> If you are interested in crashblk, try it and give me feedback!
> Thank you.
> 
> Takashi
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Cheers, Andreas





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Re: crashblk: a block device crash emulator. Andreas Dilger <adilger@dilger.ca> - 2016-01-14 20:50 +0100
  Re: crashblk: a block device crash emulator. Josef Bacik <jbacik@fb.com> - 2016-01-15 21:20 +0100

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