From: Douglas Gilbert <dougg@torque.net>
To: Keith Baker <krbaker@metacarta.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: MegaSAS Hang on Smart Query
Date: Thu, 29 Jun 2006 23:03:26 -0400 [thread overview]
Message-ID: <44A4947E.2090802@torque.net> (raw)
In-Reply-To: <3541.10.0.0.113.1151627385.squirrel@webmail.metacarta.com>
Keith Baker wrote:
> I've been having a hang with 2.6.16.22 and the megasas driver. I'm pretty
> sure it has to do with a smartctl -a <logical drive>. The SCSI layer gets
> all sorts of in a twist.
Keith,
Could you add '-r ioctl,3' to the smartctl command line
to get a full debug output. Then we can see which SCSI
commands the megasas driver or hardware doesn't like.
> megasas: waiting for 2 commands to complete
> - repeats a bunch of times then -
> sd 0:2:0:0: rejecting I/O to offline device
>
> Given a bit of wisdom in a driver distributed by dell which mentioned the
> controller not responding to a cache inqury... isn't the correct thing to
> do respond with some sort of unsupported response? not just ignore the
> query?
Correct. I'm sure the vendor knows what should be done.
> I've hunted around for patches around this problem but haven't found any,
> of course "don't use smart against a logical drive" works, but I'm not the
> only one using these boxes and it does cause the system to go down.
Doug Gilbert
next prev parent reply other threads:[~2006-06-30 3:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-30 0:29 MegaSAS Hang on Smart Query Keith Baker
2006-06-30 3:03 ` Douglas Gilbert [this message]
2006-06-30 18:49 ` Keith Baker
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