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From: Moshe Yudkowsky <moshe@pobox.com>
To: "Keld Jørn Simonsen" <keld@dkuug.dk>
Cc: linux-raid@vger.kernel.org
Subject: Re: In this partition scheme, grub does not find md information?
Date: Tue, 29 Jan 2008 19:00:53 -0600	[thread overview]
Message-ID: <479FCC45.7050207@pobox.com> (raw)
In-Reply-To: <20080130005311.GA12717@rap.rap.dk>

Keld Jørn Simonsen wrote:
> On Tue, Jan 29, 2008 at 06:32:54PM -0600, Moshe Yudkowsky wrote:
>>> Hmm, why would you put swap on a raid10? I would in a production
>>> environment always put it on separate swap partitions, possibly a number,
>>> given that a number of drives are available.
>> In a production server, however, I'd use swap on RAID in order to 
>> prevent server downtime if a disk fails -- a suddenly bad swap can 
>> easily (will absolutely?) cause the server to crash (even though you can 
>> boot the server up again afterwards on the surviving swap partitions).
> 
> I see. Which file system type would be good for this?
> I normally use XFS but maybe other FS is better, given that swap is used
> very randomly 8read/write).
> 
> Will a bad swap crash the system?

Well, Peter says it will, and that's good enough for me. :-)

As for which file system: I would use fdisk to partition the md disk and 
then use mkswap on the partition to make it into a swap partition. It's 
a naive approach but I suspect it's almost certainly the correct one.

-- 
Moshe Yudkowsky * moshe@pobox.com * www.pobox.com/~moshe
  "There are more ways to skin a cat than nuking it from orbit
     -- but it's the only way to be sure."
     				-- Eliezer Yudkowsky
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  reply	other threads:[~2008-01-30  1:00 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-29  4:44 In this partition scheme, grub does not find md information? Moshe Yudkowsky
2008-01-29  5:08 ` Neil Brown
2008-01-29 11:02   ` Moshe Yudkowsky
2008-01-29 11:14     ` Peter Rabbitson
2008-01-29 11:29       ` Moshe Yudkowsky
2008-01-29 14:09         ` Michael Tokarev
2008-01-29 14:07       ` Michael Tokarev
2008-01-29 14:47         ` Peter Rabbitson
2008-01-29 15:13           ` Michael Tokarev
2008-01-29 15:41             ` Peter Rabbitson
2008-01-29 16:51               ` Michael Tokarev
2008-01-29 17:51                 ` Keld Jørn Simonsen
2008-01-29 16:16             ` Moshe Yudkowsky
2008-01-29 16:34               ` Peter Rabbitson
2008-01-29 19:34                 ` Moshe Yudkowsky
2008-01-29 20:21                   ` Keld Jørn Simonsen
2008-01-29 22:14                     ` Moshe Yudkowsky
2008-01-29 23:45                       ` Bill Davidsen
2008-01-30  0:13                         ` Moshe Yudkowsky
2008-01-30 22:36                           ` Bill Davidsen
2008-01-30  0:17                       ` Keld Jørn Simonsen
2008-01-29 23:44                   ` Bill Davidsen
2008-01-30  0:22                     ` Keld Jørn Simonsen
2008-01-30  0:26                       ` Peter Rabbitson
2008-01-30 22:39                         ` Bill Davidsen
2008-01-30  0:32                       ` Moshe Yudkowsky
2008-01-30  0:53                         ` Keld Jørn Simonsen
2008-01-30  1:00                           ` Moshe Yudkowsky [this message]
2008-01-31 14:40                             ` Bill Davidsen
2008-01-30 13:11                   ` Michael Tokarev
2008-01-30 14:10                     ` Moshe Yudkowsky
2008-01-30 14:41                       ` Michael Tokarev
2008-01-31 14:59                       ` Bill Davidsen
2008-02-02 20:17                         ` Bill Davidsen
2008-01-30 12:01                 ` Peter Rabbitson
2008-01-29 16:42               ` Michael Tokarev
2008-01-29 16:26             ` Keld Jørn Simonsen
2008-01-29 16:46               ` Michael Tokarev
2008-01-29 18:01                 ` Keld Jørn Simonsen
2008-01-30 13:37                   ` Michael Tokarev
2008-01-30 14:47                     ` Peter Rabbitson
2008-01-30 15:21                       ` Keld Jørn Simonsen
2008-01-30 15:35                         ` Peter Rabbitson
2008-01-30 15:46                           ` Loop devices to RAID? (was Re: In this partition scheme, grub does not find md information?) Moshe Yudkowsky
2008-01-30 15:56                             ` Tim Southerwood
2008-01-29 15:57           ` In this partition scheme, grub does not find md information? Moshe Yudkowsky
2008-01-29 16:37             ` Keld Jørn Simonsen
2008-01-29 16:57               ` Michael Tokarev
2008-01-30 11:03             ` David Greaves
2008-01-30 11:44               ` Moshe Yudkowsky
2008-01-30 12:00                 ` WRONG INFO (was Re: In this partition scheme, grub does not find md information?) Peter Rabbitson
2008-01-30 12:41                   ` David Greaves
2008-01-30 13:39                   ` Michael Tokarev
2008-02-04 16:49               ` In this partition scheme, grub does not find md information? John Stoffel
2008-02-04 17:26                 ` Michael Tokarev
2008-01-30 11:03           ` David Greaves
2008-01-29 14:48         ` Keld Jørn Simonsen
2008-01-29 16:00           ` Moshe Yudkowsky
2008-01-29 16:25             ` Peter Rabbitson
2008-01-29 14:04     ` Keld Jørn Simonsen

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