From: Joe Thornber <thornber@redhat.com>
To: Johannes Bauer <dfnsonfsduifb@gmx.de>
Cc: device-mapper development <dm-devel@redhat.com>
Subject: Re: dm-cache coherence issue
Date: Mon, 26 Jun 2017 12:33:42 +0100 [thread overview]
Message-ID: <20170626113341.GA20683@nim> (raw)
In-Reply-To: <1ca408b4-0df2-d495-b899-28bded8217fa@gmx.de>
On Sat, Jun 24, 2017 at 03:56:54PM +0200, Johannes Bauer wrote:
> So I seem to have a very basic misunderstanding of what the cleaner
> policy/dirty pages mean. Is there a way to force the cache to flush
> entirely? Apparently, "dmsetup wait" and/or "sync" don't do the job.
Your understanding is correct. There is a tool in the latest thinp
tools release called cache_writeback that does offline decommissioning
of a cache.
I'll try and reproduce your scenario and get back to you.
- Joe
next prev parent reply other threads:[~2017-06-26 11:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-24 13:56 dm-cache coherence issue Johannes Bauer
2017-06-24 18:21 ` Johannes Bauer
2017-06-26 11:33 ` Joe Thornber [this message]
2017-06-26 15:58 ` Joe Thornber
2017-06-26 19:08 ` Johannes Bauer
2017-06-26 19:56 ` Mike Snitzer
2017-06-26 20:36 ` Johannes Bauer
2017-06-26 21:34 ` Mike Snitzer
2017-06-27 9:44 ` Joe Thornber
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