This patch also fixes the 02/04/02 K/C/Q check in alua_check_sense
handler.
Signed-off-by: Brian King <brk...@linux.vnet.ibm.com>
Teste-by: Wen Xiong <wenxi...@linux.vnet.ibm.com>
---
drivers/scsi/device_handler/scsi_dh_alua.c | 7 +++++++
1 file changed, 7 insertions(+)
Index: b/drivers/scsi/device_handler/scsi_dh_alua.c
===================================================================
--- a/drivers/scsi/device_handler/scsi_dh_alua.c 2014-10-23
13:00:45.000000000 -0500
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c 2014-10-23
13:04:16.152079004 -0500
@@ -474,6 +474,13 @@ static int alua_check_sense(struct scsi_
* LUN Not Ready -- Offline
*/
return SUCCESS;
+ if (sdev->allow_restart &&
+ (sense_hdr->asc == 0x04) && (sense_hdr->ascq == 0x02))
+ /*
+ * if the device is not started, we need to wake
+ * the error handler to start the motor
+ */
+ return FAILED;
break;
case UNIT_ATTENTION:
if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00)
--
--
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