From: "Robert L. Harris" <Robert.L.Harris@rdlg.net>
To: Douglas Gilbert <dgilbert@interlog.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: removing a single device?
Date: Wed, 2 Jul 2003 15:39:03 -0400 [thread overview]
Message-ID: <20030702193903.GA6600@rdlg.net> (raw)
In-Reply-To: <3EBC43CC.3090808@interlog.com>
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Just had it hit me again.
# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 02 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
# echo "scsi remove-single-device 0 0 2 0" > /proc/scsi/scsi
# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 02 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Host: scsi0 Channel: 00 Id: 03 Lun: 00
Vendor: SEAGATE Model: ST318404LC Rev: 0006
Type: Direct-Access ANSI SCSI revision: 03
Kernel is 2.4.16. Unfortunately I didn't build the kernel so I don't
know what options it was compiled with. Is it possible the previous
admin left out a piece needed to enable this?
Thus spake Douglas Gilbert (dgilbert@interlog.com):
> Robert L. Harris wrote:
> > A long time ago I used to be able to do:
> >
> > echo "scsi add-single-device 0 0 11 0" > /proc/scsi/scsi
> > echo "scsi remove-single-device 0 0 11 0" > /proc/scsi/scsi
> >
> > When I wanted to unplug a SCA scsi drive for replacement. I tried this
> > recently on my 2.4.20 kernel and nothing happened. No errors, no change
> > to /proc/scsi/scsi, no entry in dmsg, it just ignored it. Has this been
> > deprecated for a new way of removing hotswap drives?
>
> Robert,
> It is not deprecated (and is still present in the lk 2.5
> development series since we still have no other way of
> doing this from the user space).
>
> The parsing of that expression is very rigid: no tabs
> or redundant spaces.
>
> Doug Gilbert
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next prev parent reply other threads:[~2003-07-02 19:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-10 0:11 removing a single device? Douglas Gilbert
2003-05-12 14:12 ` Robert L. Harris
2003-05-12 21:09 ` Patrick Mansfield
2003-07-02 19:39 ` Robert L. Harris [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-05-09 19:58 Robert L. Harris
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