From: Bill Davidsen <davidsen@tmr.com>
To: Peter Rabbitson <rabbit+list@rabbit.us>
Cc: "Keld Jørn Simonsen" <keld@dkuug.dk>,
"Moshe Yudkowsky" <moshe@pobox.com>,
"Michael Tokarev" <mjt@tls.msk.ru>,
linux-raid@vger.kernel.org
Subject: Re: In this partition scheme, grub does not find md information?
Date: Wed, 30 Jan 2008 17:39:31 -0500 [thread overview]
Message-ID: <47A0FCA3.7070506@tmr.com> (raw)
In-Reply-To: <479FC427.1080007@rabbit.us>
Peter Rabbitson wrote:
> Keld Jørn Simonsen wrote:
>> On Tue, Jan 29, 2008 at 06:44:20PM -0500, Bill Davidsen wrote:
>>
>>> Depending on near/far choices, raid10 should be faster than raid5,
>>> with far read should be quite a bit faster. You can't boot off
>>> raid10, and if you put your swap on it many recovery CDs won't use
>>> it. But for general use and swap on a normally booted system it is
>>> quite fast.
>>
>> 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.
>>
>
> Because you want some redundancy for the swap as well. A swap
> partition/file becoming inaccessible is equivalent to yanking out a
> stick of memory out of your motherboard.
I can't say it better. Losing a swap area will make the system fail in
one way or the other, in my systems typicalls expressed as a crash of
varying severity. I use raid10 because it is the fastest reliable level
I've found.
--
Bill Davidsen <davidsen@tmr.com>
"Woe unto the statesman who makes war without a reason that will still
be valid when the war is over..." Otto von Bismark
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next prev parent reply other threads:[~2008-01-30 22:39 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 [this message]
2008-01-30 0:32 ` Moshe Yudkowsky
2008-01-30 0:53 ` Keld Jørn Simonsen
2008-01-30 1:00 ` Moshe Yudkowsky
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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