Component --Identifier-- ----------------------------Detailed Description----------------------------
PD Cage:0 PDs FC/10K/450GB unbalanced. Primary path: 5 on Node:0,3 on Node:1
PD disk:0 Degraded States: missing_A_port,servicing
--------------------------------------------------------------------------------------------
2 total
pd suggested action 2
The primary and secondary I/O paths for drives (PDs) are balanced between nodes. The primary path is
indicated in the showpd -path output and by an asterisk in the showpd output. An imbalance of active
ports is caused by a nonfunctioning path/loop to a drive enclosure (cage), or because an odd number of
drives is installed or detected, or drives were installed in the wrong slots. To diagnose further, use CLI
commands such as showpd, showpd -path, showcage, and showcage -d.
cli% showcage -d cage0Id Name LoopA Pos.A LoopB Pos.B Drives Temp RevA RevB Model FormFactor
0 cage0 0:1:1 0 1:1:1 0 8 20-22 402e 402e DCN2 SFF
-----------Cage detail info for cage3 ---------
Position: ---
Interface Board Info Card0 Card1
Firmware_status Current Current
Product_Rev 402e 402e
State(self,partner) OK,OK OK,OK
VendorID,ProductID HP,DCN2 HP,DCN2
Master_CPU Yes No
SAS_Addr 50050CC10230567E 50050CC10230567E
Link_Speed(DP1,Internal) 6.0Gbps,6.0Gbps 6.0Gbps,6.0Gbps
PS PSState ACState DCState Fan State Fan0_Speed Fan1_Speed
ps0 OK OK OK OK Low Low
ps1 OK OK OK OK Low Low
-------------Drive Info------------------ ----PortA---- ----PortB----
Drive DeviceName State Temp(C) LoopState LoopState
0:0 5000c500725333e0 Normal 20 OK OK
0:1 5000c50072533d24 Normal 21 OK OK
0:2 5000c500725314a0 Normal 21 OK OK
0:3 5000c50072531bf4 Normal 22 OK OK
0:4 5000c50072531c74 Normal 22 OK OK
0:5 5000c50072531ec8 Normal 21 OK OK
0:6 5000c50072531384 Normal 22 OK OK
0:7 5000c5005f4848bc Normal 22 OK OK
cl% showpd
pd example 3
Component -------------------Summary Description------------------- Qty
PD Disks experiencing a high level of I/O per second 93
Component --Identifier-- ---------Detailed Description----------
PD disk:100 Disk is experiencing a high level of I/O per second: 789.0
pd suggested action 3
This check samples the I/O per second (IOPS) information in statpd to see if any drives are being
overworked, and then it samples again after five seconds. This does not necessarily indicate a problem,
but it could negatively affect system performance. The IOPS thresholds currently set for this condition are:
• NL drives < 75 IOPS
• FC 10K RPM drives < 150 IOPS
Troubleshooting 155
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