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From: Alberto Alonso <alberto@ggsys.net>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Goswin von Brederlow <brederlo@informatik.uni-tuebingen.de>,
	Mike Accetta <maccetta@laurelnetworks.com>,
	Neil Brown <neilb@suse.de>,
	linux-raid@vger.kernel.org
Subject: Re: Software RAID when it works and when it doesn't
Date: Wed, 24 Oct 2007 15:18:58 -0500	[thread overview]
Message-ID: <1193257138.23414.88.camel@w100> (raw)
In-Reply-To: <471FA543.9090502@tmr.com>

On Wed, 2007-10-24 at 16:04 -0400, Bill Davidsen wrote:

> I think what you really want is to notice how long the drive and driver 
> took to recover or fail, and take action based on that. In general "kick 
> the drive" is not optimal for a few bad spots, even if the drive 
> recovery sucks.

The problem is that the driver never comes back and the whole
array hangs, waiting forever. That's why a timeout within the
md code is needed to recover from these type of drivers.

Alberto


  reply	other threads:[~2007-10-24 20:18 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-13 18:40 Software RAID when it works and when it doesn't Alberto Alonso
2007-10-13 22:46 ` Eyal Lebedinsky
2007-10-13 22:50 ` Neil Brown
2007-10-14  5:57   ` Alberto Alonso
2007-10-16 21:57     ` Mike Accetta
2007-10-16 22:29       ` Richard Scobie
2007-10-17 21:53       ` Support
2007-10-18 15:26       ` Goswin von Brederlow
2007-10-19  7:07         ` Alberto Alonso
2007-10-19 15:02           ` Justin Piszcz
2007-10-20 13:45             ` Michael Tokarev
2007-10-20 13:55               ` Justin Piszcz
2007-10-26 16:11             ` Goswin von Brederlow
2007-10-26 16:11               ` Justin Piszcz
2007-10-23 22:45           ` Bill Davidsen
2007-10-24  5:50             ` Alberto Alonso
2007-10-24 20:04               ` Bill Davidsen
2007-10-24 20:18                 ` Alberto Alonso [this message]
2007-10-26 16:12                 ` Goswin von Brederlow
2007-10-26 17:09                   ` Alberto Alonso
2007-10-27 15:26                     ` Bill Davidsen
2007-11-02  8:47                       ` Alberto Alonso
     [not found] ` <471241F8.50205@harddata.com>
2007-10-14 18:22   ` Alberto Alonso

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