From: Heinz Diehl <htd@fancy-poultry.org>
To: dm-crypt@saout.de
Subject: Re: [dm-crypt] Is erasing hard disk drive mandatory?
Date: Fri, 30 May 2014 19:47:43 +0200 [thread overview]
Message-ID: <20140530174743.GA6376@fancy-poultry.org> (raw)
In-Reply-To: <5388BED0.90203@codehawks.eu>
On 30.05.2014, Thomas Bastiani wrote:
> It may be that files that you create and then delete will trigger
> a TRIM operation if dm-crypt (and
> eventually LVM) are configured to pass TRIM through. But the rest of
> your "securely erased" drive is still not TRIM-ed.
As far as I know, mkfs discards blocks while creating the filesystem.
So your device should be "overwritten" at that stage of the process?
(I for myself never do any overwriting of harddisks, I've just
asked out of sheer curiosity).
next prev parent reply other threads:[~2014-05-30 17:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-29 13:33 [dm-crypt] Is erasing hard disk drive mandatory? Kenny Lake
2014-05-29 20:13 ` Arno Wagner
2014-05-30 13:32 ` Stephen Cousins
2014-05-30 13:42 ` Arno Wagner
2014-05-30 13:52 ` Stephen Cousins
2014-05-30 15:07 ` Heinz Diehl
2014-05-30 15:17 ` Stephen Cousins
2014-05-30 15:58 ` Thomas Bastiani
2014-05-30 17:10 ` Heinz Diehl
2014-05-30 17:24 ` Thomas Bastiani
2014-05-30 17:47 ` Heinz Diehl [this message]
2014-05-30 17:57 ` Thomas Bastiani
2014-05-30 19:03 ` Laurence Darby
2014-05-30 19:25 ` Arno Wagner
2014-05-31 8:32 ` Heinz Diehl
2014-05-30 18:08 ` Arno Wagner
2014-05-30 10:02 ` Andrew
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