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From: Christoph Anton Mitterer <calestyo@scientia.net>
To: Qu Wenruo <quwenruo@cn.fujitsu.com>, linux-btrfs@vger.kernel.org
Subject: Re: Exactly what is wrong with RAID5/6
Date: Wed, 21 Jun 2017 14:43:21 +0200	[thread overview]
Message-ID: <1498049001.6359.4.camel@scientia.net> (raw)
In-Reply-To: <60421001-5d74-2fb4-d916-7a397f246f20@cn.fujitsu.com>

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On Wed, 2017-06-21 at 16:45 +0800, Qu Wenruo wrote:
> Btrfs is always using device ID to build up its device mapping.
> And for any multi-device implementation (LVM,mdadam) it's never a
> good 
> idea to use device path.

Isn't it rather the other way round? Using the ID is bad? Don't you
remember our discussion about using leaked UUIDs (or accidental
collisions) for all kinds of attacks?


Cheers,
Chris.

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  reply	other threads:[~2017-06-21 12:50 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-20 22:57 Exactly what is wrong with RAID5/6 waxhead
2017-06-20 23:25 ` Hugo Mills
2017-06-21  3:48   ` Chris Murphy
2017-06-21  6:51     ` Marat Khalili
2017-06-21  7:31       ` Peter Grandi
2017-06-21 17:13       ` Andrei Borzenkov
2017-06-21 18:43       ` Chris Murphy
2017-06-21  8:45 ` Qu Wenruo
2017-06-21 12:43   ` Christoph Anton Mitterer [this message]
2017-06-21 13:41     ` Austin S. Hemmelgarn
2017-06-21 17:20       ` Andrei Borzenkov
2017-06-21 17:30         ` Austin S. Hemmelgarn
2017-06-21 17:03   ` Goffredo Baroncelli
2017-06-22  2:05     ` Qu Wenruo
2017-06-21 18:24   ` Chris Murphy
2017-06-21 20:12     ` Goffredo Baroncelli
2017-06-21 23:19       ` Chris Murphy
2017-06-22  2:12     ` Qu Wenruo
2017-06-22  2:43       ` Chris Murphy
2017-06-22  3:55         ` Qu Wenruo
2017-06-22  5:15       ` Goffredo Baroncelli
2017-06-23 17:25 ` Michał Sokołowski
2017-06-23 18:45   ` Austin S. Hemmelgarn

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