linux-kernel - Re: scsi: Devices offlined

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Message-ID: <87ircv5q33.fsf@tantale.fifi.org>
Date:	20 Mar 2007 18:43:12 -0700
From:	Philippe Troin <phil@...i.org>
To:	Wakko Warner <wakko@...mx.eu.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: scsi: Devices offlined

Wakko Warner <wakko@...mx.eu.org> writes:

> [84797.683873] sr 1:0:13:0: scsi: Device offlined - not ready after error recovery
> 
> Is there anyway to make the kernel "online" a device that has done this? 
> I've had this happen on various devices (mostly on usb where I can
> unplug/replug), but this time, it's on a scsi controller and the driver is
> not a module.
> 
> If it's possible to do this w/o rebooting, I'd like to know for when I have
> this happen in the future.

Have you tried:

  echo remove-single-device BUS ID LUN > /proc/scsi
  echo add-single-device BUS ID LUN > /proc/scsi

?

Phil.
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