Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 11 Oct 1997 09:16:05 +0200
From:      Stefan Esser <se@FreeBSD.ORG>
To:        Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de>
Cc:        scsi@FreeBSD.ORG
Subject:   Re: Trouble with dump on ncr
Message-ID:  <19971011091605.32335@mi.uni-koeln.de>
In-Reply-To: <19971010212337.WB21205@uriah.heep.sax.de>; from J Wunsch on Fri, Oct 10, 1997 at 09:23:37PM %2B0200
References:  <199710100624.KAA06724@asteroid.mgt.msk.ru> <19971010212337.WB21205@uriah.heep.sax.de>

next in thread | previous in thread | raw e-mail | index | archive | help
On 1997-10-10 21:23 +0200, J Wunsch <j@uriah.heep.sax.de> wrote:
> Re-read the freebsd-scsi archives... and then either disable tagged
> command queuing (``options FAILSAFE''), or alternatively remove all
> calls to scsi_start_unit() in /sys/scsi/sd.c.
> 
> Btw., i think we are safe to make the latter change anyway.  As i've
> already mentioned in a private mail to Justin, i've recently proven
> that the calls to scsi_start_unit() are completely useless and don't
> work.  (I had taken down a disk manually, and later tried to
> implicitly start it by opening it again.)  Thus, by removing these
> calls, we won't break anything that's not already broken.
> 
> Anybody objecting?

I'm all for the removal of the scsi_start_unit() calls.

The start unit command should instead be issued from the
recovery code in the generic SCSI layer, IMHO, whenever 
the return status from the SCSI card driver indicates a
drive has (been) stopped in an attempt to recover from
that situation.

Regards, STefan




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19971011091605.32335>