66
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
.
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
.
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
.
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
.
Table 20
Diagnostics for replication setup: Viewing a remote system
Summary of Contents for MSA 2040
Page 8: ...8 Figures ...
Page 10: ...10 Tables ...
Page 32: ...32 Installing the enclosures ...
Page 44: ...44 Connecting hosts ...
Page 50: ...50 Connecting to the controller CLI port ...
Page 52: ...52 Basic operation ...
Page 70: ...70 Troubleshooting ...
Page 74: ...74 Support and other resources ...
Page 76: ...76 Documentation feedback ...
Page 88: ...88 LED descriptions ...
Page 94: ...94 Electrostatic discharge ...
Page 100: ...100 Index ...