From: Kasper Dupont <kasperd@daimi.au.dk>
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: Derek Vadala <derek@cynicism.com>,
Roy Sigurd Karlsbakk <roy@karlsbakk.net>,
linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org,
Tedd Hansen <tedd@konge.net>, Christian Vik <christian@konge.net>,
Lars Christian Nygaard <lars@snart.com>
Subject: Re: RAID-6 support in kernel?
Date: Mon, 03 Jun 2002 16:52:16 +0200 [thread overview]
Message-ID: <3CFB82A0.EB2062AE@daimi.au.dk> (raw)
In-Reply-To: 20020603113128.C13204@ucw.cz
Vojtech Pavlik wrote:
>
> He was thinking "mirror", not "stripe". Mirror of 2 RAID-5 arrays (would
> be probably called RAID-15 (when there is a RAID-10 for mirrored stripe
> arrays)), can withstand any two disks failing anytime.
It can actually withstand any *three* disks failing anytime.
> Even more for
> certain combinations. But it is terribly inefficient.
--
Kasper Dupont -- der bruger for meget tid på usenet.
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next prev parent reply other threads:[~2002-06-03 14:52 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-02 23:01 RAID-6 support in kernel? Roy Sigurd Karlsbakk
2002-06-03 0:33 ` Derek Vadala
2002-06-03 8:24 ` Roy Sigurd Karlsbakk
2002-06-03 9:25 ` Derek Vadala
[not found] ` <Pine.GSO.4.21.0206030213510.23709-100000@gecko.roadtoad.net>
2002-06-03 9:31 ` Vojtech Pavlik
2002-06-03 14:52 ` Kasper Dupont [this message]
2002-06-03 14:55 ` Vojtech Pavlik
2002-06-04 12:49 ` Roy Sigurd Karlsbakk
2002-06-04 15:49 ` Pavel Machek
2002-06-04 15:49 ` Pavel Machek
[not found] ` <20020604154904.J36@toy.ucw.cz>
2002-06-04 22:27 ` Kasper Dupont
2002-06-05 9:28 ` Roy Sigurd Karlsbakk
[not found] ` <3CFD3EE5.DAE3E2C9@daimi.au.dk>
2002-06-05 9:36 ` Roy Sigurd Karlsbakk
2002-06-03 17:33 ` Gregory Leblanc
2002-06-03 19:53 ` Ross Vandegrift
2002-06-04 20:20 ` Jakob Østergaard
2002-06-05 7:57 ` Luca Berra
2002-06-05 10:53 ` Jakob Østergaard
2002-06-05 19:42 ` Luca Berra
2002-06-05 21:25 ` background scanning for media defects (was Re: RAID-6 support in kernel?) Friedrich Lobenstock
2002-06-04 18:50 ` RAID-6 support in kernel? Bill Davidsen
[not found] <Pine.LNX.3.96.1020604144204.5024D-100000@gatekeeper.tmr.com>
2002-06-06 1:19 ` Derek Vadala
2002-06-06 8:28 ` Kasper Dupont
2002-06-06 11:57 ` Helge Hafting
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