From: Arno Wagner <arno@wagner.name>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] Sharing encrypted block devices, for GFS2 over iSCSI?
Date: Sun, 25 Apr 2010 18:03:54 +0200 [thread overview]
Message-ID: <20100425160354.GA10675@tansi.org> (raw)
In-Reply-To: <4BD40D79.8070203@redhat.com>
On Sun, Apr 25, 2010 at 11:38:01AM +0200, Milan Broz wrote:
[...]
> >> the start of the partition only got overwritten after unmapping).
> >> So for a hard sync where you need to be sure the data is on disk,
> >> you would need to remove the mapping.
>
> No. see above.
Ah. So when I saw old data in the raw device, that really
was cache content, not device content?
Arno
--
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name
GnuPG: ID: 1E25338F FP: 0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F
----
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If it's in the news, don't worry about it. The very definition of
"news" is "something that hardly ever happens." -- Bruce Schneier
next prev parent reply other threads:[~2010-04-25 16:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-23 21:20 [dm-crypt] Sharing encrypted block devices, for GFS2 over iSCSI? Ryan Lynch
2010-04-24 15:55 ` Arno Wagner
2010-04-24 22:41 ` Ryan Lynch
2010-04-25 0:19 ` Arno Wagner
2010-04-25 5:12 ` Ryan Lynch
2010-04-25 9:38 ` Milan Broz
2010-04-25 16:03 ` Arno Wagner [this message]
2010-04-25 17:48 ` Ryan Lynch
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