From: Brad Campbell <brad@wasp.net.au>
To: "Callahan, Tom" <CallahanT@tessco.com>
Cc: 'Andargor The Wise' <andargor@yahoo.com>, linux-raid@vger.kernel.org
Subject: Re: First RAID Setup
Date: Fri, 16 Dec 2005 00:46:58 +0400 [thread overview]
Message-ID: <43A1D642.2010301@wasp.net.au> (raw)
In-Reply-To: <0481A62A3E95A044AC20A1A45899645C06B02F4B@glc-mail-1.tessco.com>
Callahan, Tom wrote:
> It is always wise to build in a spare however, that being said about all
> raid levels. In your configuration, if a disk fails in your RAID5, your
> array will go down. RAID5 is usually 3+ disks, with a mirror. So you should
> have 3 disks at minimum, and then a 4th as a spare.
>
/me wonders in the days of reliable RAID-6 why we use RAID-5 + spare?
RAID-6 has saved me twice now from dual drive failures on a 15 disk array.
It's schweeeeeeeeeett
Regards,
Brad
--
"Human beings, who are almost unique in having the ability
to learn from the experience of others, are also remarkable
for their apparent disinclination to do so." -- Douglas Adams
next prev parent reply other threads:[~2005-12-15 20:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-15 20:02 First RAID Setup Callahan, Tom
2005-12-15 20:22 ` Andargor The Wise
2005-12-15 20:46 ` Brad Campbell [this message]
2005-12-15 21:31 ` Tobias Hofmann
2005-12-16 1:51 ` Max Waterman
2005-12-16 8:01 ` Tobias Hofmann
2005-12-16 1:53 ` Neil Brown
2005-12-16 8:08 ` Tobias Hofmann
2005-12-19 1:02 ` Neil Brown
2005-12-19 9:03 ` Max Waterman
2005-12-16 8:42 ` Gordon Henderson
2005-12-22 14:20 ` Bill Davidsen
2005-12-22 14:24 ` Mattias Wadenstein
-- strict thread matches above, loose matches on Subject: below --
2005-12-22 17:03 Andrew Burgess
2005-12-15 21:46 Callahan, Tom
2005-12-15 20:37 Callahan, Tom
2005-12-17 0:00 ` Andargor The Wise
2005-12-17 2:01 ` Andargor The Wise
2005-12-18 22:08 ` Andargor The Wise
2005-12-22 14:27 ` Bill Davidsen
2005-12-22 15:00 ` Andargor The Wise
2005-12-15 19:35 Callahan, Tom
2005-12-15 19:44 ` Andargor The Wise
2005-12-22 14:00 ` Bill Davidsen
2005-12-15 19:09 Andargor The Wise
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