From: Sitsofe Wheeler <sitsofe@yahoo.com>
To: Daniel Smedegaard Buus <danielbuus@gmail.com>
Cc: linux-bcache@vger.kernel.org
Subject: Re: Correct way to remove a cache device?
Date: Mon, 31 Mar 2014 13:06:24 +0100 [thread overview]
Message-ID: <20140331120623.GA28637@sucs.org> (raw)
In-Reply-To: <CAHnuAexDhxuzPrdA5OqOudL6-reAceM0CfAzKH=vQ+S2_++OYw@mail.gmail.com>
On Mon, Mar 31, 2014 at 01:47:21PM +0200, Daniel Smedegaard Buus wrote:
>
> I'm trying to figure out what the correct way of taking down a bcache
> cache device is.
>
> If I echo 1 to /sys/block/BACKING_DEVICE/bcache/detach, and then to
> /sys/fs/bcache/*/unregister, the system will hang. The detach part
> goes well, but immediately after unregistering, it will crash.
Try sleeping at least two seconds between the operations.
--
Sitsofe | http://sucs.org/~sits/
next prev parent reply other threads:[~2014-03-31 12:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-31 11:47 Correct way to remove a cache device? Daniel Smedegaard Buus
2014-03-31 12:06 ` Sitsofe Wheeler [this message]
2014-03-31 12:13 ` Daniel Smedegaard Buus
2014-03-31 12:30 ` Daniel Smedegaard Buus
2014-03-31 12:37 ` Sitsofe Wheeler
2014-03-31 12:42 ` Daniel Smedegaard Buus
2014-03-31 13:04 ` Daniel Smedegaard Buus
2014-03-31 13:39 ` Sitsofe Wheeler
2014-04-01 7:01 ` Daniel Smedegaard Buus
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