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    SubjectRe: How to online remove an error scsi disk from the system?
    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.
    >
    >
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