From: Joe Thornber <thornber@redhat.com>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: [Question] dm-cache table
Date: Mon, 25 Nov 2013 12:05:12 +0000 [thread overview]
Message-ID: <20131125120512.GC10831@debian> (raw)
In-Reply-To: <52932C6F.5000306@gmail.com>
On Mon, Nov 25, 2013 at 07:54:39PM +0900, Akira Hayakawa wrote:
> If it accepted migrate_threshold in .ctr and the parameter
> changed later. The actual value and what is seen in table
> become inconsistent right? Is this intentionally designed?
No, this is a bug.
> If table is just the copy of the ctr args,
> why don't we implement it in dm framework?
It has been discussed. Originally the target were so simple it was
easy to generate a new table line. Creating copies of the table
params only happened recently with the more complicated targets. We
could have some infrastructure provided by the dm core for this, but
we can't use it blindly as your bug above demonstrates.
- Joe
next prev parent reply other threads:[~2013-11-25 12:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-25 10:54 [Question] dm-cache table Akira Hayakawa
2013-11-25 12:05 ` Joe Thornber [this message]
2013-11-27 1:54 ` Akira Hayakawa
2013-11-27 2:58 ` Alasdair G Kergon
2013-11-27 12:29 ` Joe Thornber
2013-12-01 2:56 ` Akira Hayakawa
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