From: Phil Turmel <philip@turmel.org>
To: joystick <joystick@shiftmail.org>
Cc: Chris Murphy <lists@colorremedies.com>,
"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: 3TB drives failure rate
Date: Sun, 28 Oct 2012 20:21:48 -0400 [thread overview]
Message-ID: <508DCC1C.8080900@turmel.org> (raw)
In-Reply-To: <508DC9F5.1040504@shiftmail.org>
On 10/28/2012 08:12 PM, joystick wrote:
> On 10/28/12 23:10, Phil Turmel wrote:
>> The drives I've suffered with on this have ignored the link reset and
>> were still unresponsive when MD tried to rewrite the sector(s) involved
>> (from the other drives in the array).
>
> Very interesting
>
> I would like to see this behaviour to make some experiments.
> I would like to simulate an unreadable sector...
> I see --make-bad-sector in hdparm, does that simulate an unreadable
> sector faithfully?
I've never tried this, but the description of that option suggests that
it does.
> (e.g. will it even be recorded in SMART current_pending_sector /
> reallocated_sector_ct ?)
Pending, I would presume. Which should go away when you write back over it.
> Also, how do I trigger a link reset manually?
That I don't know. But you should get one when you try to read back
that bad sector, if the drive timeout is longer than the driver timeout.
Phil
next prev parent reply other threads:[~2012-10-29 0:21 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
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 [this message]
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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