[SCSI] scsi_dh_alua: Retry the check-condition in case Mode Parameters Changed
This patch adds a check-condition in scsi_dh_alua handler for a retry. Sometimes, I have seen attach failing due to this check-condition with following error messages on NetApp E series storage. Dec 7 15:31:01 nilgiris kernel: [102979.696673] scsi 3:0:2:9: alua: port group 00 rel port 01 Dec 7 15:31:01 nilgiris kernel: [102979.697082] scsi 3:0:2:9: alua: rtpg failed with 8000002 Dec 7 15:31:01 nilgiris kernel: [102979.697086] scsi 3:0:2:9: alua: rtpg sense code 06/2a/01 Dec 7 15:31:01 nilgiris kernel: [102979.697088] scsi 3:0:2:9: alua: not attached Signed-off-by: Babu Moger <babu.moger@netapp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
parent
5b7db7af52
commit
410f02d813
1 changed files with 5 additions and 0 deletions
|
@ -466,6 +466,11 @@ 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 == 0x2a && sense_hdr->ascq == 0x01)
|
||||
/*
|
||||
* Mode Parameters Changed
|
||||
*/
|
||||
return ADD_TO_MLQUEUE;
|
||||
if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x06)
|
||||
/*
|
||||
* ALUA state changed
|
||||
|
|
Loading…
Reference in a new issue