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From: Roman Mamedov <rm@romanrm.ru>
To: Dominic Raferd <dominic@timedicer.co.uk>
Cc: linux-raid@vger.kernel.org
Subject: Re: SSD + Rust as raid1
Date: Fri, 31 May 2013 13:54:34 +0600	[thread overview]
Message-ID: <20130531135434.5b6bdddb@natsu> (raw)
In-Reply-To: <51A85574.8080709@timedicer.co.uk>

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On Fri, 31 May 2013 08:47:00 +0100
Dominic Raferd <dominic@timedicer.co.uk> wrote:

> This is my idea too (see my OP), but I am concerned about optimisation 
> (--write-behind, --bitmap and --bitmap-chunk settings) especially for 
> writes.

> --write-behind=16384

I think this will not work, you will have to use 16383.

> --bitmap=/mnt/sda1/write-intent-bitmap.file 

Save yourself lots of maintenance headache, just use --bitmap=internal

> --bitmap-chunk=256M

Looks OK.

-- 
With respect,
Roman

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  reply	other threads:[~2013-05-31  7:54 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-30 21:23 SSD + Rust as raid1 Dominic Raferd
2013-05-31  0:22 ` Mathias Burén
2013-05-31  7:02   ` Dominic Raferd
2013-05-31  7:30 ` Roman Mamedov
2013-05-31  7:47   ` Dominic Raferd
2013-05-31  7:54     ` Roman Mamedov [this message]
2013-05-31  8:52       ` Dominic Raferd
2013-06-04  8:13         ` Dominic Raferd
2013-06-07 22:23           ` Bill Davidsen
2013-06-08 10:22             ` Roman Mamedov
2013-06-08 17:11               ` Bill Davidsen
2013-06-08 21:58                 ` Roberto Spadim
2013-06-10  8:57                   ` Dominic Raferd
2013-06-01  0:25   ` Stan Hoeppner
2013-06-01  1:19     ` Keith Keller
2013-06-01  4:37       ` Stan Hoeppner
2013-06-07 22:16       ` Bill Davidsen
2013-06-01  1:30     ` Sam Bingner

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