From: Adam Goryachev <mailinglists@websitemanagers.com.au>
To: Guillaume Betous <guillaume.betous@gmail.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Best practice for setting up "ordinary" RAID
Date: Fri, 11 Oct 2013 18:05:23 +1100 [thread overview]
Message-ID: <5257A333.2010809@websitemanagers.com.au> (raw)
In-Reply-To: <CAPbD+Rc-EDpVvm=-Ge5nWJNgJRBVWseqJKwnfCdDLoBjzC4hzg@mail.gmail.com>
On 11/10/13 17:52, Guillaume Betous wrote:
>> RAID6, preferrably with a spare.
> I'm not comfortable with RAID 6 setup. What is the minimal number of
> hard drives for having a RAID 6 + spare ?
>
Check wikipedia, but minimum of 4 drives for RAID6, consider 2 data
drives plus two redundant drives, allowing you to lose any two drives
(slightly better than RAID10 on 4 drives).
In direct answer, RAID6 + hot spare is a minimum of 5 drives.
Regards,
Adam
--
Adam Goryachev
Website Managers
www.websitemanagers.com.au
next prev parent reply other threads:[~2013-10-11 7:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 6:10 Best practice for setting up "ordinary" RAID Guillaume Betous
2013-10-11 6:35 ` Mikael Abrahamsson
2013-10-11 6:52 ` Guillaume Betous
2013-10-11 7:03 ` Mikael Abrahamsson
2013-10-11 7:14 ` Guillaume Betous
2013-10-11 7:19 ` Mikael Abrahamsson
2013-10-11 8:58 ` Guillaume Betous
2013-10-11 8:15 ` Robin Hill
2013-10-11 8:57 ` Guillaume Betous
2013-10-11 9:28 ` David Brown
2013-10-11 7:05 ` Adam Goryachev [this message]
2013-10-11 9:31 ` David Brown
2013-10-11 9:53 ` Guillaume Betous
2013-10-11 14:04 ` David Brown
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