RE: mdadm and TLER (Time Limited Error Recovery)

[Simon Jackson <sjackson@bluearc.com>]

Did not appear to work.

$ sdparm -s "RTL=7000" /dev/sda
    /dev/sda: ATA       ST980818SM        3.AA
change_mode_page: failed setting page: Read write error recovery

-----Original Message-----
From: linux-raid-owner@vger.kernel.org [mailto:linux-raid-owner@vger.kernel.org] On Behalf Of Mario 'BitKoenig' Holbe
Sent: 09 September 2009 12:05
To: linux-raid@vger.kernel.org
Subject: Re: mdadm and TLER (Time Limited Error Recovery)

Simon Jackson <sjackson@bluearc.com> wrote:
> In my case I am using Seagate and Hitachi drives.
> Please can anyone tell me how I would go about setting timeout values on these types of drive. Are there utility programs to do this or a Linux 

Well, my Seagates have a RTL (Recovery time limit (ms)) field in the rw
(Read write error recovery) mode page.

You could try something like `sdparm -W RTL=7000 /dev/sdX' to set it to
7 seconds. I don't know if it works, I didn't test it, use it at your
own risk! Do a backup before, it could blow up your disk or even the
universe :) Tell us if it worked :)


regards
   Mario
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