From: David Brown <david.brown@hesbynett.no>
To: Can Jeuleers <can.jeuleers@gmail.com>,
Mdadm <linux-raid@vger.kernel.org>
Subject: Re: Storage system
Date: Fri, 07 Feb 2014 17:36:11 +0100 [thread overview]
Message-ID: <52F50B7B.8020902@hesbynett.no> (raw)
In-Reply-To: <52F508EF.7090808@gmail.com>
On 07/02/14 17:25, Can Jeuleers wrote:
> On 02/07/2014 05:11 PM, David Brown wrote:
>> The only thing you can't erase are re-mapped sectors - but hopefully
>> those will be rare!
>
> I wonder if using the Secure Erase feature destroys all sectors
> (including remapped-ones) or not.
>
I think secure erase can be done in different ways. On disks that have
full-disk encryption, it simply erases (or changes) the password. For
other drives, it has to write through all sectors on the disk - I would
expect re-mapped sectors are included, but I don't know the details.
> Also, what level of trust do people on this list have that the disk's
> Secure Erase feature does what it says on the tin?
next prev parent reply other threads:[~2014-02-07 16:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-06 18:09 Storage system Piergiorgio Sartor
2014-02-06 19:24 ` Joe Landman
2014-02-07 8:07 ` David Brown
2014-02-07 14:29 ` Matt Garman
2014-02-07 15:14 ` Roman Mamedov
2014-02-07 15:45 ` Roberto Spadim
2014-02-07 16:11 ` David Brown
2014-02-07 16:25 ` Can Jeuleers
2014-02-07 16:36 ` David Brown [this message]
2014-02-08 0:14 ` Chris Murphy
2014-02-07 19:16 ` Robert L Mathews
2014-02-07 23:58 ` Chris Murphy
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