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.
For sending spam use mailto:razor-report@daimi.au.dk
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
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: <Pine.LNX.4.33.0206031020290.30424-100000@mail.pronto.tv> <Pine.GSO.4.21.0206030213510.23709-100000@gecko.roadtoad.net> <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.
For sending spam use mailto:razor-report@daimi.au.dk
next prev parent reply other threads:[~2002-06-03 14:52 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-02 23:01 RAID-6 support in kernel? Roy Sigurd Karlsbakk
2002-06-02 23:01 ` Roy Sigurd Karlsbakk
2002-06-03 0:33 ` Derek Vadala
2002-06-03 8:24 ` Roy Sigurd Karlsbakk
2002-06-03 8:24 ` Roy Sigurd Karlsbakk
2002-06-03 9:25 ` Derek Vadala
2002-06-03 9:25 ` Derek Vadala
2002-06-03 9:31 ` Vojtech Pavlik
2002-06-03 14:52 ` Kasper Dupont [this message]
2002-06-03 14:52 ` Kasper Dupont
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
2002-06-04 22:27 ` Kasper Dupont
2002-06-04 22:27 ` Kasper Dupont
2002-06-05 9:36 ` Roy Sigurd Karlsbakk
2002-06-05 9:36 ` Roy Sigurd Karlsbakk
2002-06-05 9:28 ` Roy Sigurd Karlsbakk
2002-06-04 15:49 ` Pavel Machek
2002-06-05 2:51 ` jw schultz
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
2002-06-06 1:19 ` Derek Vadala
2002-06-06 8:28 ` Kasper Dupont
2002-06-06 8:28 ` Kasper Dupont
2002-06-06 11:57 ` Helge Hafting
2002-06-04 18:50 ` Bill Davidsen
2002-06-03 7:35 ` Kasper Dupont
2002-06-03 8:28 ` Roy Sigurd Karlsbakk
2002-06-03 8:57 ` Kasper Dupont
2002-06-04 11:11 ` Allan Sandfeld
2002-06-04 12:51 ` Kasper Dupont
2002-06-04 13:58 ` Allan Sandfeld
2002-06-12 8:13 ` Kasper Dupont
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3CFB82A0.EB2062AE@daimi.au.dk \
--to=kasperd@daimi.au.dk \
--cc=christian@konge.net \
--cc=derek@cynicism.com \
--cc=lars@snart.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=roy@karlsbakk.net \
--cc=tedd@konge.net \
--cc=vojtech@suse.cz \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.