linux-kernel - Rescanning SCSI/SATA bus

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Message-ID: <Pine.LNX.4.64.0709051140130.5419@fbirervta.pbzchgretzou.qr>
Date:	Wed, 5 Sep 2007 11:41:39 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Rescanning SCSI/SATA bus

Hi,


when trying to do a rescan on (1) sata_nv/2.6.18 (2) sym53c83xx/2.6.21, 
I get:

11:40 sun:~ # cd /sys/class/scsi_host/host0/
11:40 sun:../scsi_host/host0 # ls
can_queue    device     proc_name  sg_tablesize  subsystem  
unchecked_isa_dma
cmd_per_lun  host_busy  scan       state         uevent     unique_id
11:40 sun:../scsi_host/host0 # echo 1 >scan 
-bash: echo: write error: Invalid argument

What is the proper way to trigger a rescan, if it comes to be necessary?

thanks,
	Jan
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