From: Roberto Nunnari <roberto.nunnari@supsi.ch>
To: Mikael Abrahamsson <swmike@swm.pp.se>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: replacing drives
Date: Tue, 30 Apr 2013 17:10:28 +0200 [thread overview]
Message-ID: <517FDEE4.8040605@supsi.ch> (raw)
In-Reply-To: <alpine.DEB.2.00.1304301640490.2118@uplift.swm.pp.se>
Mikael Abrahamsson wrote:
> On Tue, 30 Apr 2013, Roberto Nunnari wrote:
>
>> what the... these are SECONDS! What on earth could delay a sata
>> attached disk read for 30 (now 180) seconds if not a disk failure? I
>> OS hang? Sorry about that question, but I don't understand.. I have
>> never seen such a problem.
>
> A consumer drive will spend considerable time trying to read a sector
> before giving up. I believe 120 seconds is not uncommon.
>
> The raid drives will typically give up after 7 seconds.
>
> http://en.wikipedia.org/wiki/Time-Limited_Error_Recovery
ok.. thank you for the explanation. Now I got it. :-)
Robi
next prev parent reply other threads:[~2013-04-30 15:10 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-26 14:27 replacing drives Roberto Nunnari
2013-04-26 15:36 ` Tregaron Bayly
2013-04-26 15:42 ` Keith Keller
2013-04-26 15:53 ` Robin Hill
2013-04-30 13:17 ` Roberto Nunnari
2013-04-30 13:20 ` Mikael Abrahamsson
2013-04-30 14:11 ` Roberto Nunnari
2013-04-30 14:22 ` Robin Hill
2013-04-30 14:40 ` Mikael Abrahamsson
2013-04-30 14:27 ` Roberto Nunnari
2013-04-30 14:39 ` Roberto Nunnari
2013-04-30 14:42 ` Mikael Abrahamsson
2013-04-30 15:10 ` Roberto Nunnari [this message]
2013-04-30 15:11 ` Phil Turmel
2013-04-30 15:39 ` Roberto Spadim
2013-05-01 1:55 ` Brad Campbell
2013-05-01 15:06 ` Roberto Nunnari
2013-05-01 18:14 ` Roberto Spadim
2013-05-02 17:49 ` Roy Sigurd Karlsbakk
2013-05-02 17:43 ` Roy Sigurd Karlsbakk
2013-04-30 13:45 ` Robin Hill
2013-04-30 14:05 ` Roberto Nunnari
2013-04-30 14:28 ` Roberto Nunnari
2013-04-30 15:19 ` Roberto Nunnari
2013-05-02 13:56 ` Roberto Nunnari
2013-05-02 14:54 ` Robin Hill
2013-05-02 15:00 ` Roberto Nunnari
2013-05-03 16:28 ` Roberto Nunnari
2013-05-06 11:30 ` Roberto Nunnari
2013-05-07 7:53 ` Robin Hill
2013-05-07 10:22 ` Roberto Nunnari
2013-05-08 14:19 ` Roberto Nunnari
2013-05-08 15:10 ` Robin Hill
2013-05-08 16:05 ` Roberto Nunnari
2013-05-08 17:01 ` Robin Hill
2013-05-08 17:20 ` Roberto Nunnari
2013-05-10 21:35 ` Roberto Nunnari
2013-04-26 22:20 ` Roberto Nunnari
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