HP 3PAR StoreServ 7000 Troubleshooting Manual page 43

or contaminated FC connection, such as a cable. An alert should identify the condition, such as
the following:
Port 0:0:2, SFP Degraded (Receiver Power Low: Check FC Cable)
Check SFP statistics using CLI commands such as showport -sfp, showport -sfp -ddm,
showcage, etc.
cli% showport -sfp
N:S:P -State-- -Manufacturer- MaxSpeed(Gbps) TXDisable TXFault RXLoss DDM
0:0:1 OK FINISAR_CORP.
0:0:2 Degraded FINISAR_CORP.
In the following example an RX power level of 361 microwatts (uW) for Port 0:0:1 DDM is a good
reading; and 98 uW for Port 0:0:2's is a weak reading ( < 100 uW). Normal RX power level
readings are 200-400 uW.
cli% showport -sfp -ddm
--------------Port 0:0:1 DDM--------------
--Type-- Units Reading Low
Temp C 41
Voltage mV 3217
TX Bias mA 7
TX Power uW 330
RX Power uW 361
--------------Port 0:0:2 DDM--------------
--Type-- Units Reading Low
Temp C 40
Voltage mV 3216
TX Bias mA 7
TX Power uW 335
RX Power uW 98
cli% showcage
Id Name LoopA Pos.A LoopB Pos.B Drives Temp
0 cage0 0:0:1 0 1:0:1
1 cage1 --- 0 1:0:2
cli% showpd -s
Id CagePos Type -State-- -Detailed_State-
1 0:2:0 FC normal
...
13 1:1:0 NL degraded missing_A_port
14 1:2:0 FC degraded missing_A_port
cli% showpd -path
Id CagePos Type -State-- A
1 0:2:0 FC normal
...
13 1:1:0 NL degraded 0:0:2\missing 1:0:2
14 1:2:0 FC degraded 0:0:2\missing 1:0:2
2.1 No
2.1 No
-Warning- --Alarm--
High Low High
-20 90 -25 95
2900 3700 2700 3900
2 14 1 17
79 631 67 631
15 794 10 1259
-Warning- --Alarm--
High Low High
-20 90 -25 95
2900 3700 2700 3900
2 14 1 17
79 631 67 631
15 794 10 1259
0 15 33-38 08
0 15 30-38 08
normal
---------Paths---------
B
0:0:1 1:0:1
No No
No No
RevA RevB Model Side
08 DC3 n/a
08 DC3 n/a
Order
0/1
1/-
1/-
Troubleshooting Storage System Components
Yes
Yes
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