HP Lefthand SAN/iQ hardware and software check

Uses SNMP queries to fetch information.

Built and tested on following SAN/IQ versions
11.5.00.0673.0
12.0.00.0725.0

Will raise WARNING condition on most hardware or array based faults. Drive temperature can generate CRITICAL condition.

Usage:
./check_lefthand.sh [-v] -H host[:port] -C community [-T test type]

Options:
-h
Print detailed help screen
-H
HP Lefthand host address and optional port
-C
HP Lefthand SNMP read community. Default is 'public'
-T
Test type. Can be one of following
info - General information about the unit (default)
drives - Detailed information about the units drives
arrays - Detailed information about the units RAID arrays

Typical output from test type info:
OK System: P4500G2 MYNAS01, SN: CZJ123456A, 12 600GB SAS 3.0Gbps drives, SAN/iQ 11.5.00.0673.0|CPU_1_temp=40C;78;80 MLB_inlet_temp=18C;38;40
Cache 1 Normal
Fan1 Normal
Fan2 Normal
Fan3 Normal
Fan4 Normal
CPU (1) at 40 deg C
MLB inlet at 18 deg C
PowerSupply1 Normal
PowerSupply2 Normal

Typical output from test type drives:
OK 12 drives|Drive_1_temp=29C;55;60 Drive_2_temp=28C;55;60 Drive_3_temp=29C;55;60 Drive_4_temp=29C;55;60 Drive_5_temp=29C;55;60 Drive_6_temp=29C;55;60 Drive_7_temp=30C;55;60 Drive_8_temp=30C;55;60 Drive_9_temp=31C;55;60 Drive_10_temp=31C;55;60 Drive_11_temp=32C;55;60 Drive_12_temp=33C;55;60
Drive 1 Active (SN: JZW1ABCD, Temp: 29C, SMART health: Normal)
Drive 2 Active (SN: JZW1ABCD, Temp: 28C, SMART health: Normal)
Drive 3 Active (SN: JZW1ABCD, Temp: 29C, SMART health: Normal)
Drive 4 Active (SN: JZW1ABCD, Temp: 29C, SMART health: Normal)
Drive 5 Active (SN: JZW1ABCD, Temp: 29C, SMART health: Normal)
Drive 6 Active (SN: JZW1ABCD, Temp: 29C, SMART health: Normal)
Drive 7 Active (SN: JZW1ABCD, Temp: 30C, SMART health: Normal)
Drive 8 Active (SN: JZW1ABCD, Temp: 30C, SMART health: Normal)
Drive 9 Active (SN: JZW1ABCD, Temp: 31C, SMART health: Normal)
Drive 10 Active (SN: JZW1ABCD, Temp: 31C, SMART health: Normal)
Drive 11 Active (SN: JZW1ABCD, Temp: 32C, SMART health: Normal)
Drive 12 Active (SN: JZW1ABCD, Temp: 33C, SMART health: Normal)

Typical output from test type arrays:
OK 2 arrays|
Data Array 1 (RAID5, 6 disks, State Normal, Size 2712 GB)
Data Array 2 (RAID5, 6 disks, State Normal, Size 2724 GB)

Update history:
1.0 First release
1.2 Bug fix with return data when array was faulty
1.3 Improved error handling (if hosts are down)