From: Alistair John Strachan <s0348365@sms.ed.ac.uk>
To: Neil Brown <neilb@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: RAID5 initial rebuild slow, 2.6.16-rc4
Date: Thu, 2 Mar 2006 16:57:22 +0000 [thread overview]
Message-ID: <200603021657.22345.s0348365@sms.ed.ac.uk> (raw)
In-Reply-To: <200603021648.21465.s0348365@sms.ed.ac.uk>
On Thursday 02 March 2006 16:48, Alistair John Strachan wrote:
> Hi Neil,
>
> I recently purchased two SATA2 Western Digital WD2500KS (250GB) HDs to add
> to a pair of Maxtor DiamondMax 10's (200GB). I planned to initialise two
> 100GB RAID5 arrays spanning all four drives (the remaining 2x50GB on the
> new HDs is currently used for booting).
>
> All the drives are connected to the same controller. I'm running mdadm
> 2.3.1, which is the latest version I believe. I created the array with the
> following command:
>
> mdadm --create /dev/md1 --auto=yes --chunk=64 --level=5
> --raid-devices=4 /dev/sda3 /dev/sdb3 /dev/sdc2 /dev/sdd2
Okay, adding --force after --auto didn't fix it, but when I ran mkfs.xfs
without waiting, the restore speed jumped to 20MB/s. Expected behaviour?
--
Cheers,
Alistair.
'No sense being pessimistic, it probably wouldn't work anyway.'
Third year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
prev parent reply other threads:[~2006-03-02 16:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-02 16:48 Alistair John Strachan
2006-03-02 16:57 ` Alistair John Strachan [this message]
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