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HP 3PAR StoreServ 7450 2-node HP 3PAR StoreServ 7450 Storage Troubleshooting G - Page 30

Troubleshooting Storage System Components, Table 18 Component Functions

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The following information is included when you use the -detail option: Component ----Identifier Description------- Alert sw_port:1:3:1 Port 1:3:1 Degraded (Target Mode Port Went Offline) Alert sw_port:0:3:1 Port 0:3:1 Degraded (Target Mode Port Went Offline) Alert sw_sysmgr Total available FC raw space has reached threshold of 800G (2G remaining out of 544G total) Alert sw_sysmgr Total FC raw space usage at 307G (above 50% of total 544G) Date -- Date is not the same on all nodes LD LD vlun vlun vlun vlun vlun ld:name.usr.0 LD is not mapped to a volume ld:name.usr.1 LD is not mapped to a volume host:group01 Host wwn:2000000087041F72 is not connected to a port host:group02 Host wwn:2000000087041F71 is not connected to a port host:group03 Host iscsi_name:2000000087041F71 is not connected to a port host:group04 Host wwn:210100E08B24C750 is not connected to a port host:Host_name Host wwn:210000E08B000000 is not connected to a port If there are no faults or exception conditions, the checkhealth command indicates that the system is healthy: cli% checkhealth Checking alert Checking cage ... Checking vlun Checking vv System is healthy With the specifier you can check the status of one or more specific storage system components. For example: cli% checkhealth node pd Checking node Checking pd The following components are healthy: node, pd Troubleshooting Storage System Components Use the checkhealth -list command to list all the components that can be analyzed by the checkhealth command. For detailed troubleshooting information about specific components, examples, and suggested actions for correcting issues with components, click the component name in Table 18 (page 30). Table 18 Component Functions Component Alert Cage Date LD License Network Node Function Displays any unresolved alerts. Displays drive cage conditions that are not optimal. Displays if nodes have different dates. Displays LDs that are not optimal. Displays license violations. Displays Ethernet issues. Displays node conditions that are not optimal. 30 Troubleshooting

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

Match case Limit results 1 per page

The following information is included when you use the

-detail

option:

Component ----Identifier---- -----------Description-------

Alert

sw_port:1:3:1

Port 1:3:1 Degraded (Target Mode Port Went Offline)

Alert

sw_port:0:3:1

Port 0:3:1 Degraded (Target Mode Port Went Offline)

Alert

sw_sysmgr

Total available FC raw space has reached threshold of 800G

(2G remaining out of 544G total)

Alert

sw_sysmgr Total FC raw space usage at 307G (above 50% of total 544G)

Date

Date is not the same on all nodes

ld:name.usr.0

LD is not mapped to a volume

ld:name.usr.1

LD is not mapped to a volume

vlun

host:group01

Host wwn:2000000087041F72 is not connected to a port

vlun

host:group02

Host wwn:2000000087041F71 is not connected to a port

vlun

host:group03

Host iscsi_name:2000000087041F71 is not connected to a port

vlun

host:group04

Host wwn:210100E08B24C750 is not connected to a port

vlun

host:Host_name

Host wwn:210000E08B000000 is not connected to a port

If there are no faults or exception conditions, the

checkhealth

command indicates that the system

is healthy:

cli% checkhealth

Checking alert

Checking cage

…

Checking vlun

Checking vv

System is healthy

With the

specifier you can check the status of one or more specific storage system

components. For example:

cli% checkhealth node pd

Checking node

Checking pd

The following components are healthy: node, pd

Troubleshooting Storage System Components

Use the

checkhealth -list

command to list all the components that can be analyzed by the

checkhealth

command.

For detailed troubleshooting information about specific components, examples, and suggested

actions for correcting issues with components, click the component name in

Table 18 (page 30)

Table 18 Component Functions

Function

Component

Displays any unresolved alerts.

Alert

Displays drive cage conditions that are not optimal.

Cage

Displays if nodes have different dates.

Date

Displays LDs that are not optimal.

Displays license violations.

License

Displays Ethernet issues.

Network

Displays node conditions that are not optimal.

Node

Troubleshooting