[8463] in linux-scsi channel archive
Re: inducing SCSI bus scan
daemon@ATHENA.MIT.EDU (Eric Youngdale)
Thu Mar 23 13:27:27 2000
Message-ID: <001101bf94f2$faa29a20$4d0310ac@fairfax.datafocus.com>
From: "Eric Youngdale" <eric@andante.org>
To: "Ralston, Steve" <steve.ralston@lsil.com>,
"'linux-scsi'" <linux-scsi@vger.rutgers.edu>
Date: Thu, 23 Mar 2000 13:09:49 -0500
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It is possible to manually do this through the /proc filesystem. In
scsi.c there are comments which describe how this works:
/*
* Usage: echo "scsi add-single-device 0 1 2 3" >/proc/scsi/scsi
* with "0 1 2 3" replaced by your "Host Channel Id Lun".
* Consider this feature BETA.
* CAUTION: This is not for hotplugging your peripherals. As
* SCSI was not designed for this you could damage your
* hardware !
* However perhaps it is legal to switch on an
* already connected device. It is perhaps not
* guaranteed this device doesn't corrupt an ongoing data transfer.
*/
-Eric
----- Original Message -----
From: Ralston, Steve <steve.ralston@lsil.com>
To: 'linux-scsi' <linux-scsi@vger.rutgers.edu>
Sent: Thursday, March 23, 2000 11:57 AM
Subject: inducing SCSI bus scan
> Is there any way for a SCSI driver to induce the scsi
> mid-layer into rescanning its bus(ses)?
> (well, besides unloading a scsi driver module and
> reloading it)
>
> Example: Someone powers up devices after boot
> or scsi driver module is loaded.
>
> Thanks,
> -SteveR
>
>
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