diff options
| author | Stewart, Sean <Sean.Stewart@netapp.com> | 2013-10-15 15:52:39 +0000 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-10-25 11:14:18 +0100 |
| commit | c20ee7b56e0a1937b41919813e5a98373ca48ae8 (patch) | |
| tree | 4d5225e9ff6f83c50e3214628a5243bbf9d4a7ef | |
| parent | 0f3c7b99f33f7a9c743a752bba2414615c48e270 (diff) | |
[SCSI] scsi_dh_alua: ALUA check sense should retry device internal reset unit attention
When the scsi_dh_alua handler issues an RTPG during initialization, if it gets
0x06/0x29/0x04 as the sense, it will fail to attach the handler. NetApp
E-Series returns 0x29/0x00 for power on, and 0x29/0x04 for conditions that
cause the controller to reboot again. These conditions should be treated
identically within the handler.
Signed-off-by: Sean Stewart <Sean.Stewart@netapp.com>
Acked-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_alua.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 68adb8955d2..78205cc2059 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -481,6 +481,11 @@ static int alua_check_sense(struct scsi_device *sdev, * Power On, Reset, or Bus Device Reset, just retry. */ return ADD_TO_MLQUEUE; + if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x04) + /* + * Device internal reset + */ + return ADD_TO_MLQUEUE; if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x01) /* * Mode Parameters Changed |