hp_rescan searching for LUN

[marcov_1]

Hi all,
I would like to show you the following output coming from two Linux machine RH5.1
Machine n.1 where it all works fine:
# cat /proc/scsi/qla2xxx/0
QLogic PCI to Fibre Channel Host Adapter for QMH2462:
Firmware version 4.00.90 [IP] , Driver version 8.01.07.16
ISP: ISP2432
Request Queue = 0x36d80000, Response Queue = 0x36d10000
Request Queue count = 4096, Response Queue count = 512
Total number of active commands = 0
Total number of interrupts = 2528907
Device queue depth = 0x10
Number of free request entries = 1216
Number of mailbox timeouts = 0
Number of ISP aborts = 0
Number of loop resyncs = 0
Number of retries for empty slots = 0
Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
Host adapter:loop state = , flags = 0x41a43
Dpc flags = 0x4000000
MBX flags = 0x0
Link down Timeout = 008
Port down retry = 064
Login retry count = 016
Commands retried with dropped frame(s) = 0
Product ID = 0000 0000 0000 0000


SCSI Device Information:
scsi-qla0-adapter-node=50014380011c51bd;
scsi-qla0-adapter-port=50014380011c51bc;
scsi-qla0-target-0=5006016141e00fa9;
scsi-qla0-target-1=5006016941e00fa9;

FC Port Information:
scsi-qla0-port-0=50060160c1e00fa9:5006016141e00fa9:010000:81;
scsi-qla0-port-1=50060160c1e00fa9:5006016941e00fa9:010400:82;

SCSI LUN Information:
(Id:Lun) * - indicates lun is not registered with the OS.
( 0: 0): Total reqs 39351, Pending reqs 0, flags 0x0, 0:0:81 00
( 0: 1): Total reqs 39345, Pending reqs 0, flags 0x0, 0:0:81 00
( 0: 2): Total reqs 39386, Pending reqs 0, flags 0x0, 0:0:81 00
( 1: 0): Total reqs 39395, Pending reqs 0, flags 0x0, 0:0:82 00
( 1: 1): Total reqs 39390, Pending reqs 0, flags 0x0, 0:0:82 00
( 1: 2): Total reqs 39354, Pending reqs 0, flags 0x0, 0:0:82 00

cat /proc/scsi/qla2xxx/1
QLogic PCI to Fibre Channel Host Adapter for QMH2462:
Firmware version 4.00.90 [IP] , Driver version 8.01.07.16
ISP: ISP2432
Request Queue = 0x36e80000, Response Queue = 0x36e50000
Request Queue count = 4096, Response Queue count = 512
Total number of active commands = 0
Total number of interrupts = 240145
Device queue depth = 0x10
Number of free request entries = 784
Number of mailbox timeouts = 0
Number of ISP aborts = 0
Number of loop resyncs = 0
Number of retries for empty slots = 0
Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
Host adapter:loop state = , flags = 0x41a43
Dpc flags = 0x4000000
MBX flags = 0x0
Link down Timeout = 008
Port down retry = 064
Login retry count = 016
Commands retried with dropped frame(s) = 0
Product ID = 0000 0000 0000 0000


SCSI Device Information:
scsi-qla1-adapter-node=50014380011c51bf;
scsi-qla1-adapter-port=50014380011c51be;
scsi-qla1-target-0=5006016041e00fa9;
scsi-qla1-target-1=5006016841e00fa9;

FC Port Information:
scsi-qla1-port-0=50060160c1e00fa9:5006016041e00fa9:010000:81;
scsi-qla1-port-1=50060160c1e00fa9:5006016841e00fa9:010400:82;

SCSI LUN Information:
(Id:Lun) * - indicates lun is not registered with the OS.
( 0: 0): Total reqs 39466, Pending reqs 0, flags 0x0, 1:0:81 00
( 0: 1): Total reqs 39461, Pending reqs 0, flags 0x0, 1:0:81 00
( 0: 2): Total reqs 39508, Pending reqs 0, flags 0x0, 1:0:81 00
( 1: 0): Total reqs 39412, Pending reqs 0, flags 0x0, 1:0:82 00
( 1: 1): Total reqs 39411, Pending reqs 0, flags 0x0, 1:0:82 00
( 1: 2): Total reqs 39368, Pending reqs 0, flags 0x0, 1:0:82 00

hp_rescan -a
Sending rescan signal to /proc/scsi/qla2xxx/0...
Sending rescan signal to /proc/scsi/qla2xxx/1...
Adding legacy tape devices to /proc/scsi/device_info
Scanning /proc/scsi/qla2xxx/0, target 1, LUN 2
Scanning /proc/scsi/qla2xxx/1, target 1, LUN 2


scsi0 00 00 00 DGC RAID 0324 Direct-Access
scsi0 00 00 01 DGC RAID 0324 Direct-Access
scsi0 00 00 02 DGC RAID 0324 Direct-Access
scsi0 00 01 00 DGC RAID 0324 Direct-Access
scsi0 00 01 01 DGC RAID 0324 Direct-Access
scsi0 00 01 02 DGC RAID 0324 Direct-Access
scsi1 00 00 00 DGC RAID 0324 Direct-Access
scsi1 00 00 01 DGC RAID 0324 Direct-Access
scsi1 00 00 02 DGC RAID 0324 Direct-Access
scsi1 00 01 00 DGC RAID 0324 Direct-Access
scsi1 00 01 01 DGC RAID 0324 Direct-Access
scsi1 00 01 02 DGC RAID 0324 Direct-Access

powermt display dev=all
Pseudo name=emcpowera
CLARiiON ID=CK200062401609 [Cluster Oracle DWH]
Logical device ID=6006016040301900AACFD76C26F1DC11 [DWH OCFS2]
state=alive; policy=BasicFailover; priority=0; queued-IOs=0
Owner: default=SP B, current=SP A Array failover mode: 1
==============================================

---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================

0 qla2xxx sdb SP A1 unlic alive 0 0
0 qla2xxx sde SP B1 unlic alive 0 0
1 qla2xxx sdh SP A0 active alive 0 0
1 qla2xxx sdk SP B0 active alive 0 0

Pseudo name=emcpowerb
CLARiiON ID=CK200062401609 [Cluster Oracle DWH]
Logical device ID=6006016040301900E0AB4A7D22F1DC11 [DWH DG_DATA]
state=alive; policy=BasicFailover; priority=0; queued-IOs=0
Owner: default=SP B, current=SP A Array failover mode: 1
==============================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================
0 qla2xxx sda SP A1 unlic alive 0 0
0 qla2xxx sdd SP B1 unlic alive 0 0
1 qla2xxx sdg SP A0 active alive 0 0
1 qla2xxx sdj SP B0 active alive 0 0

Pseudo name=emcpowerd
CLARiiON ID=CK200062401609 [Cluster Oracle DWH]
Logical device ID=6006016040301900FC4EB80AF4F1DC11 [DWH DG_FRA]
state=alive; policy=BasicFailover; priority=0; queued-IOs=0
Owner: default=SP B, current=SP A Array failover mode: 1
==============================================
---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================
0 qla2xxx sdc SP A1 unlic alive 0 0
0 qla2xxx sdf SP B1 unlic alive 0 0
1 qla2xxx sdi SP A0 active alive 0 0
1 qla2xxx sdl SP B0 active alive 0 0

Machine n.2 where it doesn't works:
cat /proc/scsi/qla2xxx/0
QLogic PCI to Fibre Channel Host Adapter for QMH2462:
Firmware version 4.00.90 [IP] , Driver version 8.01.07.25-fo
BIOS version 1.26
ISP: ISP2432
Request Queue = 0x37480000, Response Queue = 0x37410000
Request Queue count = 4096, Response Queue count = 512
Total number of active commands = 0
Total number of interrupts = 30489
Device queue depth = 0x10
Number of free request entries = 3137
Number of mailbox timeouts = 0
Number of ISP aborts = 0
Number of loop resyncs = 0
Number of retries for empty slots = 0
Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
Number of reqs in failover_q= 0
Host adapter:loop state = , flags = 0x41a43
Dpc flags = 0x4000000
MBX flags = 0x0
Link down Timeout = 008
Port down retry = 030
Login retry count = 030
Commands retried with dropped frame(s) = 0
Product ID = 0000 0000 0000 0000


SCSI Device Information:
scsi-qla0-adapter-node=5001438000beaf21;
scsi-qla0-adapter-port=5001438000beaf20;
scsi-qla0-target-0=5006016141e00fa9;

FC Port Information:
scsi-qla0-port-0=50060160c1e00fa9:5006016141e00fa9:010000:81;
scsi-qla0-port-1=50060160c1e00fa9:5006016941e00fa9:010400:82;

SCSI LUN Information:
(Id:Lun) * - indicates lun is not registered with the OS.
( 0: 0): Total reqs 313, Pending reqs 0, flags 0x2, Dflags 0x0, 0:0:81 00
( 0: 1): Total reqs 299, Pending reqs 0, flags 0x2, Dflags 0x0, 0:0:81 00
( 0: 2): Total reqs 312, Pending reqs 0, flags 0x2, Dflags 0x0, 0:0:81 00

cat /proc/scsi/qla2xxx/1
QLogic PCI to Fibre Channel Host Adapter for QMH2462:
Firmware version 4.00.90 [IP] , Driver version 8.01.07.25-fo
BIOS version 1.26
ISP: ISP2432
Request Queue = 0x37580000, Response Queue = 0x37510000
Request Queue count = 4096, Response Queue count = 512
Total number of active commands = 0
Total number of interrupts = 3447
Device queue depth = 0x10
Number of free request entries = 4090
Number of mailbox timeouts = 0
Number of ISP aborts = 0
Number of loop resyncs = 0
Number of retries for empty slots = 0
Number of reqs in pending_q= 0, retry_q= 0, done_q= 0, scsi_retry_q= 0
Number of reqs in failover_q= 0
Host adapter:loop state = , flags = 0x41a43
Dpc flags = 0x4000000
MBX flags = 0x0
Link down Timeout = 008
Port down retry = 030
Login retry count = 030
Commands retried with dropped frame(s) = 0
Product ID = 0000 0000 0000 0000


SCSI Device Information:
scsi-qla1-adapter-node=5001438000beaf23;
scsi-qla1-adapter-port=5001438000beaf22;

FC Port Information:
scsi-qla1-port-0=50060160c1e00fa9:5006016041e00fa9:010000:81;
scsi-qla1-port-1=50060160c1e00fa9:5006016841e00fa9:010400:82;

SCSI LUN Information:
(Id:Lun) * - indicates lun is not registered with the OS.

hp_rescan -a
Sending rescan signal to /proc/scsi/qla2xxx/0...
Sending rescan signal to /proc/scsi/qla2xxx/1...
Adding legacy tape devices to /proc/scsi/device_info
Scanning /proc/scsi/qla2xxx/0, target 0, LUN 2



scsi0 00 00 00 DGC RAID 0324 Direct-Access
scsi0 00 00 01 DGC RAID 0324 Direct-Access
scsi0 00 00 02 DGC RAID 0324 Direct-Access

powermt display dev=all
Pseudo name=emcpowerb
CLARiiON ID=CK200062401609 [Cluster Oracle DWH]
Logical device ID=6006016040301900AACFD76C26F1DC11 [DWH OCFS2]
state=alive; policy=BasicFailover; priority=0; queued-IOs=0
Owner: default=Unknown, current=SP A Array failover mode: 1
==============================================

---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================
0 qla2xxx sdb SP A1 active alive 0 0

Pseudo name=emcpowerc
CLARiiON ID=CK200062401609 [Cluster Oracle DWH]
Logical device ID=6006016040301900E0AB4A7D22F1DC11 [DWH DG_DATA]
state=alive; policy=BasicFailover; priority=0; queued-IOs=0
Owner: default=Unknown, current=SP A Array failover mode: 1
==============================================

---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================
0 qla2xxx sda SP A1 active alive 0 0

Pseudo name=emcpowerd
CLARiiON ID=CK200062401609 [Cluster Oracle DWH]
Logical device ID=6006016040301900FC4EB80AF4F1DC11 [DWH DG_FRA]
state=alive; policy=BasicFailover; priority=0; queued-IOs=0
Owner: default=Unknown, current=SP A Array failover mode: 1
==============================================

---------------- Host --------------- - Stor - -- I/O Path - -- Stats ---
### HW Path I/O Paths Interf. Mode State Q-IOs Errors
==============================================
0 qla2xxx sdc SP A1 active alive 0 0

How can I correct those errors?

Thanks,
Marco