From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tao Ma Subject: Re: How to online remove an error scsi disk from the system? Date: Fri, 01 Feb 2013 17:59:47 +0800 Message-ID: <510B9213.1040508@tao.ma> References: <510B5CFC.2040801@tao.ma> <510B749E.8020501@acm.org> <510B904B.4050508@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <510B904B.4050508@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: "Bryn M. Reeves" Cc: Bart Van Assche , linux-scsi@vger.kernel.org, LKML List-Id: linux-scsi@vger.kernel.org On 02/01/2013 05:52 PM, Bryn M. Reeves wrote: > On 02/01/2013 07:54 AM, Bart Van Assche wrote: >> * proc_scsi_write - handle writes to /proc/scsi/scsi >> * @file: not used >> * @buf: buffer to write >> * @length: length of buf, at most PAGE_SIZE >> * @ppos: not used >> * >> * Description: this provides a legacy mechanism to add or remove >> * devices by Host, Channel, ID, and Lun. To use, >> * "echo 'scsi add-single-device 0 1 2 3' > /proc/scsi/scsi" or >> * "echo 'scsi remove-single-device 0 1 2 3' > /proc/scsi/scsi" with >> * "0 1 2 3" replaced by the Host, Channel, Id, and Lun. > > The proc interface is deprecated; this can all be done via sysfs today, > e.g.: > > echo 1 > /sys/block/sdc/device/delete > > Is equivalent to issuing scsi remove-single-device to proc. yes, but the result is the same. It will do some IO first which will cause this command hang. Thanks, Tao > > Regards, > Bryn. > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/