From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: dm-cache refusing to come up again after a crash
Date: Fri, 6 Dec 2013 20:53:10 +0100 [thread overview]
Message-ID: <20131206195310.GD9700@samfundet.no> (raw)
In-Reply-To: <20131206193541.GC9700@samfundet.no>
On Fri, Dec 06, 2013 at 08:35:41PM +0100, Steinar H. Gunderson wrote:
> root@ubuntu:~/thin-provisioning-tools# ./cache_check /dev/cache/metadata
And I forgot:
root@ubuntu:~/thin-provisioning-tools# ./cache_dump /dev/cache/metadata
<superblock uuid="" block_size="512" nr_cache_blocks="865560" policy="cleaner" hint_width="4">
<mappings>
<mapping cache_block="0" origin_block="6118373" dirty="false"/>
<mapping cache_block="1" origin_block="6118275" dirty="false"/>
<mapping cache_block="2" origin_block="5934780" dirty="false"/>
[... lots of blocks, none of them dirty ...]
<mapping cache_block="505877" origin_block="889613" dirty="false"/>
<mapping cache_block="505878" origin_block="690575" dirty="false"/>
<mapping cache_block="505879" origin_block="875752" dirty="false"/>
</mappings>
<hints>
cache_dump: /usr/include/boost/smart_ptr/shared_ptr.hpp:418: T*
boost::shared_ptr< <template-parameter-1-1> >::operator->() const [with T =
caching::hint_array]: Assertion `px != 0' failed.
The cleaner policy is not the one I actually use, but I have used it in the
past, so I guess it's stuck somehow.
/* Steinar */
--
Homepage: http://www.sesse.net/
next prev parent reply other threads:[~2013-12-06 19:53 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-06 15:49 dm-cache refusing to come up again after a crash Steinar H. Gunderson
2013-12-06 17:57 ` Joe Thornber
2013-12-06 19:16 ` Steinar H. Gunderson
2013-12-06 19:35 ` Steinar H. Gunderson
2013-12-06 19:53 ` Steinar H. Gunderson [this message]
2013-12-07 0:16 ` Steinar H. Gunderson
2013-12-09 10:31 ` Joe Thornber
2013-12-09 10:28 ` Joe Thornber
2013-12-09 10:34 ` Steinar H. Gunderson
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