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HP 3PAR StoreServ 7450 4-node HP 3PAR StoreServ 7450 Storage Troubleshooting G - Page 29

Troubleshooting, The checkhealth Command, Command

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5 Troubleshooting The HP 3PAR OS CLI checkhealth command checks and displays the status of storage system hardware and software components. For example, the checkhealth command can check for unresolved system alerts, display issues with hardware components, or display information about virtual volumes that are not optimal. By default the checkhealth command checks most storage system components, but you can also check the status of specific components. For a complete list of storage system components analyzed by the checkhealth command, see "The checkhealth Command" (page 29). The checkhealth Command The checkhealth command checks and displays the status of system hardware and software components. Command syntax is: checkhealth [ | ...] Command authority is Super, Service Command options are: • -list, which lists all components that checkhealth can analyze. • -quiet, which suppresses the display of the item currently being checked • -detail, which displays detailed information regarding the status of the system. is the command specifier, which indicates the component to check. Use the -list option to get the list of components. Using the checkhealth Command Use the checkhealth command without any specifiers to check the health of all the components that can be analyzed by the checkhealth command. The following example displays both summary and detailed information about the hardware and software components: cli% checkhealth -detail Checking alert Checking cage Checking dar Checking date Checking ld Checking license Checking network Checking node Checking pd Checking port Checking rc Checking snmp Checking task Checking vlun Checking vv Component -----------Description----------- Qty Alert New alerts 4 Date Date is not the same on all nodes 1 LD LDs not mapped to a volume 2 License Golden License. 1 vlun Hosts not connected to a port 5 The checkhealth Command 29

Section	Page
HP 3PAR StoreServ 7450 Storage Troubleshooting Guide	1
Contents	3
1 Identifying Storage System Components	6
Understanding Component Numbering	6
Drive Enclosures	6
Controller Nodes	7
PCIe Slots and Ports	8
I/O Modules	9
Power Cooling Modules	9
Power Distribution Units	10
Service Processor	10
2 Understanding LED Indicator Status	12
Enclosure LEDs	12
Bezels LEDs	12
Disk Drive LEDs	13
Storage System Component LEDs	13
Power Cooling Module LEDs	13
Drive PCM LEDs	15
I/O Modules LEDs	16
External Port Activity LEDs	17
Controller Node and Internal Component LEDs	18
Ethernet LEDs	19
FC Port LEDs	19
SAS Port LEDs	20
Interconnect Port LEDs	20
Fibre Channel Adapter Port LEDs	21
Converged Network Adapter Port LEDs	22
Service Processor LEDs	22
3 Powering Off/On the Storage System	25
Powering Off	25
Powering On	25
4 Alerts	27
Getting Recommended Actions	27
5 Troubleshooting	29
The checkhealth Command	29
Using the checkhealth Command	29
Troubleshooting Storage System Components	30
Alert	31
Format of Possible Alert Exception Messages	31
Alert Example	31
Alert Suggested Action	31
Cage	31
Format of Possible Cage Exception Messages	31
Cage Example 1	32
Cage Suggested Action 1	32
Cage Example 2	33
Cage Suggested Action 2	33
Cage Example 3	34
Cage Suggested Action 3	34
Cage Example 4	35
Cage Suggested Action 4	35
Cage Example 5	35
Cage Suggested Action 5	35
Data Encryption at Rest (DAR)	36
Format of Possible DAR Exception Messages	37
DAR Suggested Action	37
Dar Example 2	37
Dar Suggested Action 2	37
Date	37
Format of Possible Date Exception Messages	37
Date Example	37
Date Suggested Action	37
LD	38
Format of Possible LD Exception Messages	38
LD Example 1	38
LD Suggested Action 1	38
LD Example 2	39
LD Suggested Action 2	39
LD Example 3	39
LD Suggested Action 3	39
LD Example 4	40
LD Suggested Action 4	40
License	40
Format of Possible License Exception Messages	40
License Example	40
License Suggested Action	41
Network	41
Format of Possible Network Exception Messages	41
Network Example 1	41
Network Suggested Action 1	41
Network Example 2	41
Network Suggested Action 2	41
Node	42
Format of Possible Node Exception Messages	42
Suggested Node Action, General	42
Node Example 1	42
Node Suggested Action 1	43
Node Example 2	43
Node Suggested Action 2	43
Node Example 3	44
Node Suggested Action 3	44
PD	44
Format of Possible PD Exception Messages	45
PD Example 1	45
PD Suggested Action 1	45
PD Example 2	46
PD Suggested Action 2	46
PD Example 3	47
PD Suggested Action 3	47
PD Example 4	48
PD Suggested Action 4	48
PD Example 5	48
PD Suggested Action 5	48
PD Example 6	49
PD Suggested Action 6	49
Port	49
Format of Possible Port Exception Messages	49
Port Suggested Actions, General	49
Port Example 1	49
Port Suggested Action 1	49
Port Example 2	51
Port Suggested Action 2	51
Port Example 3	51
Port Suggested Action 3	51
Port Example 4	51
Port Suggested Action 4	51
Port Example 5	52
Port Suggested Action 5	52
RC	52
Format of Possible RC Exception Messages	52
RC Example	52
RC Suggested Action	53
SNMP	53
Format of Possible SNMP Exception Messages	53
SNMP Example	53
SNMP Suggested Action	53
Task	53
Format of Possible Task Exception Messages	53
Task Example	53
Task Suggested Action	53
VLUN	54
Format of Possible VLUN Exception Messages	54
VLUN Example	54
VLUN Suggested Action	54
VV	55
Format of Possible VV Exception Messages	55
VV Suggested Action	55
Troubleshooting Storage System Setup	55
Storage System Setup Wizard Errors	55
Collecting SmartStart Log Files	61
Collecting Service Processor Log Files	61
Contacting HP Support about System Setup	61
6 Support and Other Resources	63
Contacting HP	63
HP 3PAR documentation	63
Typographic conventions	66
HP 3PAR branding information	66