From: David Greaves <david@dgreaves.com>
To: Max Waterman <davidmaxwaterman@fastmail.co.uk>
Cc: linux-raid@vger.kernel.org
Subject: Re: Backups using RAID1
Date: Thu, 20 Nov 2008 08:43:14 +0000 [thread overview]
Message-ID: <49252322.2010401@dgreaves.com> (raw)
In-Reply-To: <d5fe39840811192328r6ddf6840y6f86683401bdf533@mail.gmail.com>
Max Waterman wrote:
> Of course, you could always *not* yank them; instead just fail them
> (after unmounting/syncing/whatever) and leave the actual disk in the
> machine.
Also worth mentioning is that you can have a 3-way RAID1.
So adding a disk, allowing it to sync and then removing it again means you are
never left with just a single point of failure.
You can of course send the 'backup' disk(s) to sleep too.
David
next prev parent reply other threads:[~2008-11-20 8:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-17 15:13 Backups using RAID1 Drew
[not found] ` <62c47030811191213n49a50624k4a0e167f20193a4@mail.gmail.com>
2008-11-20 2:11 ` Drew
2008-11-20 7:28 ` Max Waterman
2008-11-20 8:43 ` David Greaves [this message]
2008-11-20 15:24 ` Drew
2008-11-20 15:33 ` Jon Nelson
2008-11-20 16:12 ` Max Waterman
2008-11-20 22:20 ` Bill Davidsen
2008-11-20 9:08 ` Robin Hill
2008-11-20 11:48 ` David Greaves
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