From: Robert Nichols <rnicholsNOSPAM@comcast.net>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] expanding encrypted volume/growing the volume
Date: Tue, 09 Sep 2014 20:59:03 -0500 [thread overview]
Message-ID: <luob98$vk5$1@ger.gmane.org> (raw)
In-Reply-To: <20140909215203.GG26856@markov.biostat.ucsf.edu>
On 09/09/2014 04:52 PM, Ross Boylan wrote:
> The FAQ advises wipeing it, though the
> only explicit reasons seem not much of a concern for space in a volume
> group (but later there are references to attacks available if the
> attacker can determine which sectors are unused). As far as I know
> there is no way to access the unused area of the volume group ...
Easy. Create a new LV in that VG and use "--extents 100%FREE" as
its size. Fill that LV with whatever variety of random data you
choose, then delete that LV and use the space to expand your active
LV.
--
Bob Nichols "NOSPAM" is really part of my email address.
Do NOT delete it.
next prev parent reply other threads:[~2014-09-10 2:01 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 21:52 [dm-crypt] expanding encrypted volume/growing the volume Ross Boylan
2014-09-09 23:50 ` Arno Wagner
2014-09-10 3:23 ` Ross Boylan
2014-09-10 4:30 ` Ross Boylan
2014-09-10 5:16 ` Arno Wagner
2014-09-10 8:16 ` Ross Boylan
2014-09-10 9:42 ` Arno Wagner
2014-09-10 1:59 ` Robert Nichols [this message]
2014-09-10 3:31 ` Ross Boylan
2014-09-10 13:25 ` Robert Nichols
2014-09-10 20:36 ` Ross Boylan
2014-09-10 22:44 ` Robert Nichols
2014-09-10 22:52 ` Robert Nichols
2014-09-10 23:47 ` Ross Boylan
2014-09-11 4:00 ` Robert Nichols
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