From: Wols Lists <antlists@youngman.org.uk>
To: Peter Grandi <pg@lxra2.for.sabi.co.UK>,
Linux RAID <linux-raid@vger.kernel.org>
Subject: Re: migration of raid 5 to raid 6 and disk of 2TB to 4TB
Date: Wed, 27 Jul 2016 14:44:03 +0100 [thread overview]
Message-ID: <5798BAA3.60108@youngman.org.uk> (raw)
In-Reply-To: <22424.46474.87462.226497@tree.ty.sabi.co.uk>
On 27/07/16 14:22, Peter Grandi wrote:
> Also, if the data is just 4.5TB, why not go for just a 3x RAID5
> with the 3x 4TB drives, which a usable capacity of 8TB? A degree
> of redundancy of 1-in-3 is not bad. It would have less IOPS
> though.
The problem is that one of the three new 4TB drives is currently part of
the old - partly failed - array. So without buying a fourth 4TB drive,
that option isn't on the table.
Cheers,
Wol
next prev parent reply other threads:[~2016-07-27 13:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-25 21:14 migration of raid 5 to raid 6 and disk of 2TB to 4TB bobzer
2016-07-25 22:48 ` Wols Lists
2016-07-25 23:08 ` Adam Goryachev
2016-07-26 18:33 ` Peter Grandi
2016-07-26 20:19 ` Wols Lists
2016-07-27 2:16 ` bobzer
2016-07-27 13:22 ` Peter Grandi
2016-07-27 13:44 ` Wols Lists [this message]
2016-07-27 14:57 ` Peter Grandi
2016-07-27 13:27 ` Anthony Youngman
2016-07-27 15:12 ` Peter Grandi
2016-08-05 23:32 ` bobzer
2016-08-06 18:04 ` Wols Lists
2016-07-27 12:55 ` Peter Grandi
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