linux-kernel - Re: Rescanning SCSI/SATA bus

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Date:	Wed, 5 Sep 2007 17:15:36 +0200
From:	Björn Steinbrink <B.Steinbrink@....de>
To:	noah <noah123@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Rescanning SCSI/SATA bus

On 2007.09.05 16:45:29 +0200, noah wrote:
> 2007/9/5, Björn Steinbrink <B.Steinbrink@....de>:
> > On 2007.09.05 16:04:13 +0200, noah wrote:
> > > 2007/9/5, Martin K. Petersen <martin.petersen@...cle.com>:
> > > > >>>>> "Jan" == Jan Engelhardt <jengelh@...putergmbh.de> writes:
> > > >
> > > > Jan> 11:40 sun:../scsi_host/host0 # echo 1 >scan
> > > > Jan> -bash: echo: write error: Invalid argument
> > > >
> > > > Jan> What is the proper way to trigger a rescan, if it comes to be
> > > > Jan> necessary?
> > > >
> > > > echo "- - -" > scan
> >           ^^^^^
> > > >
> > > # echo --- > /sys/class/scsi_host/host9/scan
> >          ^^^
> > > -bash: echo: write error: Invalid argument
> >
> > Note the spaces between the dashes.
> 
> Thanks. Unfortunately it produced the same error.
> Is rescanning even supported with the sata_nv driver?

Works just fine here:
root@...ola:/sys/class/scsi_host/host0# echo - - - > scan 
root@...ola:/sys/class/scsi_host/host0# cat proc_name 
sata_nv

Björn
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