From: Duncan <1i5t5.duncan@cox.net>
To: linux-btrfs@vger.kernel.org
Subject: Re: Actual effect of mkfs.btrfs -m raid10 </dev/sdX> ... -d raid10 </dev/sdX> ...
Date: Wed, 20 Nov 2013 16:43:57 +0000 (UTC) [thread overview]
Message-ID: <pan$448fc$ee29c6cf$df5ffdae$4f88c4b5@cox.net> (raw)
In-Reply-To: 20131120080958.GA28883@carfax.org.uk
Hugo Mills posted on Wed, 20 Nov 2013 08:09:58 +0000 as excerpted:
> RAID-0: min 2 devices
> RAID-10: min 4 devices
> RAID-5: min 2 devices (I think)
> RAID-6: min 3 devices (I think)
RAID-5 should be 3-device minimum (each stripe consisting of two data
segments and one parity segment, each on a different device).
And RAID-6 similarly four devices (two data and two parity).
Perhaps it's time I get that wiki account and edit some of this stuff
myself...
--
Duncan - List replies preferred. No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master." Richard Stallman
next prev parent reply other threads:[~2013-11-20 16:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-19 5:12 Actual effect of mkfs.btrfs -m raid10 </dev/sdX> ... -d raid10 </dev/sdX> deadhorseconsulting
2013-11-19 9:06 ` Hugo Mills
2013-11-19 19:24 ` deadhorseconsulting
2013-11-19 21:04 ` Duncan
2013-11-20 6:41 ` Martin
2013-11-19 23:16 ` Duncan
2013-11-20 6:35 ` Martin
2013-11-20 10:16 ` Chris Murphy
2013-11-20 10:22 ` Russell Coker
2013-11-20 8:09 ` Hugo Mills
2013-11-20 16:43 ` Duncan [this message]
2013-11-20 16:52 ` Hugo Mills
2013-11-20 21:13 ` Duncan
2013-11-21 17:14 ` Jeff Mahoney
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