linux-kernel - Re: RAID extremely slow

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Message-ID: <alpine.LNX.2.01.1208172353260.3927@frira.zrqbmnf.qr>
Date:	Fri, 17 Aug 2012 23:55:20 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...i.de>
To:	Phil Turmel <philip@...mel.org>
cc:	Kevin Ross <kevin@...ilyross.net>, linux-kernel@...r.kernel.org,
	linux-raid <linux-raid@...r.kernel.org>
Subject: Re: RAID extremely slow


On Thursday 2012-07-26 03:00, Phil Turmel wrote:
>> I used atop to show the transfer speeds to each drive. Here's a
>> screenshot:
>> http://img402.imageshack.us/img402/6484/screenshotfrom201207251.png
>
>[ The output of "lsdrv" [1] might be useful here, along with
>"mdadm -D /dev/md0" and "mdadm -E /dev/[b-j]" ]
>[1] http://github.com/pturmel/lsdrv

lsdrv? Shows a bunch, but for this, using standard tools
like lsscsi & lsblk seems sufficient :)
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