From: John Robinson <john.robinson@anonymous.org.uk>
To: Miles Fidelman <mfidelman@meetinghouse.net>
Cc: linux-raid@vger.kernel.org
Subject: Re: 3TB drives failure rate (summary)
Date: Thu, 01 Nov 2012 15:24:32 +0000 [thread overview]
Message-ID: <50929430.50201@anonymous.org.uk> (raw)
In-Reply-To: <509291B2.5000907@meetinghouse.net>
On 01/11/2012 15:13, Miles Fidelman wrote:
> Phil Turmel wrote:
>> I strongly encourage you to run "smartctl -l scterc /dev/sdX" for each
>> of your drives. For any drive that warns that it doesn't support SCT
>> ERC, set the controller device timeout to 180 like so:
>>
>> echo 180 >/sys/block/sdX/device/timeout
>>
>> If the report says read or write ERC is disabled, run "smartctl -l
>> scterc,70,70 /dev/sdX" to set it to 7.0 seconds.
>>
>> You then set up a boot-time script to do these adjustments at every
>> restart.
>
> Sounds like a very bad idea if your drive is part of a RAID array.
Either of these - the scterc if you can, the device timeout if you can't
- are an excellent idea if you are using a desktop drive as part of a md
RAID array. Why do you think otherwise?
Cheers,
John.
next prev parent reply other threads:[~2012-11-01 15:24 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-28 12:15 3TB drives failure rate Rainer Fügenstein
2012-10-28 12:19 ` Mathias Burén
2012-10-28 12:49 ` John Robinson
2012-10-28 12:54 ` Michael Tokarev
2012-10-28 16:47 ` Ed W
2012-10-28 17:05 ` Joe Landman
2012-10-28 22:12 ` joystick
2012-10-28 22:24 ` Miles Fidelman
2012-10-28 23:59 ` joystick
2012-10-29 0:09 ` Miles Fidelman
2012-10-29 4:29 ` Roman Mamedov
2012-10-29 7:54 ` David Brown
2012-10-29 13:02 ` Phil Turmel
2012-10-30 23:54 ` 3TB drives failure rate (summary) Rainer Fügenstein
2012-10-31 12:35 ` Phil Turmel
2012-11-01 15:13 ` Miles Fidelman
2012-11-01 15:24 ` John Robinson [this message]
2012-11-01 15:39 ` Miles Fidelman
2012-11-01 16:05 ` John Robinson
2012-11-01 16:25 ` Miles Fidelman
2013-02-05 17:43 ` Adam Goryachev
2013-02-05 18:08 ` Roy Sigurd Karlsbakk
2013-02-05 20:34 ` Wolfgang Denk
2012-10-29 13:26 ` 3TB drives failure rate Miles Fidelman
2012-10-28 19:50 ` Chris Murphy
2012-10-28 19:59 ` Roman Mamedov
2012-10-28 20:10 ` Chris Murphy
2012-10-28 20:16 ` Roman Mamedov
2012-10-28 20:34 ` Chris Murphy
2012-10-28 20:49 ` Roman Mamedov
2012-10-28 20:59 ` Chris Murphy
2012-10-28 21:07 ` Miles Fidelman
2012-10-28 20:50 ` Chris Murphy
2012-10-28 21:07 ` Chris Murphy
2012-10-28 21:18 ` Roman Mamedov
2012-10-28 21:24 ` Mikael Abrahamsson
2012-10-28 21:45 ` Miles Fidelman
2012-10-28 22:35 ` Chris Murphy
2012-10-28 21:51 ` Chris Murphy
2012-10-28 21:59 ` joystick
2012-10-28 22:10 ` Phil Turmel
2012-10-29 0:12 ` joystick
2012-10-29 0:21 ` Phil Turmel
2012-10-29 0:27 ` Chris Murphy
2012-10-28 21:21 ` Mikael Abrahamsson
2012-10-28 23:51 ` Peter Kieser
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