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64 Troubleshooting
Can you replicate a volume?
Can you view a replication image?
Can you view remote systems?
Answer Possible reasons Actions
Yes System functioning properly. No action required.
No Remote Snap is not licensed on
each controller enclosure used for
replication.
See actions described in "Can you successfully use the Remote Snap
feature?" (page 62).
No Nonexistent replication set. • Determine existence of primary or secondary volumes.
• If a replication set has not been successfully created, use the
SMU Replication Setup Wizard to create one.
• In the SMU, review event logs for indicators of a specific fault in
a replication data path component. Follow any Recommended
Actions.
No Network error occurred during
in-progress replication.
• In the SMU, review event logs for indicators of a specific fault in
a replication data path component. Follow any Recommended
Actions.
• In the Configuration View panel in the SMU, right-click the
secondary volume, and select View > Overview to display the
Replication Volume Overview table:
• Check for replication interruption (suspended) status.
• Check for inconsistent status.
•Check for offline status.
• Replications that enter the suspended state must be resumed
manually.
No Communication link is down.
See actions described in "Can you view information about remote
links?" (page 62)
.
Table 18 Diagnostics for replication setup: Replicating a volume
Answer Possible reasons Actions
Yes System functioning properly. No action required.
No Nonexistent replication image. • In the Configuration View panel in the SMU, expand vdisks and
their volumes to reveal the existence of a replication image or
images.
• If a replication image has not been successfully created, use the
SMU to create one as described in the “Using Remote Snap to
replicate volumes” topic within the SMU Guide.
No Communication link is down. See actions described in "Can you view information about remote
links?" (page 62).
Table 19 Diagnostics for replication setup: Viewing a replication image
Answer Possible reasons Actions
Yes System functioning properly. No action required.
No Communication link is down. See actions described in "Can you view information about remote
links?" (page 62).
Table 20 Diagnostics for replication setup: Viewing a remote system
- HP MSA 2040 1
- User Guide 1
- Contents 3
- 4Contents 4
- Contents 5 5
- 6Contents 6
- 8Figures 8
- Tables 9 9
- 10 Tables 10
- 1Overview 11
- Features and benefits 12
- 2Components 13
- SERVICE−1SERVICE−2 14
- PORT 1 PORT 2 PORT 3 PORT 4 15
- Drive enclosures 16
- Transportable CompactFlash 17
- Supercapacitor pack 18
- Upgrading to MSA 2040 18
- 3Installing the enclosures 19
- 20 Installing the enclosures 20
- Testing enclosure connections 27
- Powering on/powering off 27
- Power cycle 29
- 30 Installing the enclosures 30
- 4 Connecting hosts 31
- 10GbE iSCSI protocol 32
- 1 Gb iSCSI protocol 32
- MSA 2040 SAS 33
- One server/one HBA/dual path 34
- Dual controller configuration 35
- Cabling for replication 37
- Host ports and replication 38
- Updating firmware 41
- 42 Connecting hosts 42
- Device description 43
- Obtaining IP values 43
- Host Interface 45
- Not Shown 45
- IP-address 46
- Workaround 47
- 6 Basic operation 49
- 50 Basic operation 50
- 7Troubleshooting 51
- Performing basic steps 52
- Stopping I/O 53
- Diagnostic steps 54
- Transporting cache 58
- 60 Troubleshooting 60
- Can you replicate a volume? 64
- Can you view remote systems? 64
- Sensor locations 65
- Power supply sensors 65
- Cooling fan sensors 65
- Temperature sensors 66
- 8 Support and other resources 67
- Websites 68
- Prerequisites 68
- Troubleshooting resources 68
- Typographic conventions 69
- Rack stability 69
- Customer self repair 70
- Product warranties 70
- 9 Documentation feedback 71
- 72 Documentation feedback 72
- A LED descriptions 73
- Disk drive LEDs 75
- Rear panel LEDs 76
- = FC LEDs 77
- = iSCSI LEDs 77
- SAS 1 SAS 2 79
- SAS 3 SAS 4 79
- Power supply LEDs 80
- D2700 6Gb drive enclosure 81
- 82 LED descriptions 82
- Safety requirements 83
- Management host requirements 84
- Physical requirements 85
- Environmental requirements 86
- Electrical requirements 86
- C Electrostatic discharge 87
- 88 Electrostatic discharge 88
- D SFP option for host ports 89
- Verify component operation 90
- Index 91 91
- 92 Index 92
- HP MSA 2040 User Guide 93 93
- 94 Index 94
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