Answer
Possible reasons
Action
the pool to which you replicate
data from the primary volume).
•
Verify valid specification of the secondary volume according to either of the
following criteria:
•
A conflicting volume does not exist.
•
Available free space in the pool.
No
Communication link is down.
Review event logs for indicators of a specific fault in a host or replication data
path component.
Can you replicate a volume?
Table 24. Diagnostics for replication setup – Replicating a volume
Answer
Possible reasons
Action
Yes
System functioning properly.
No action required.
No
Nonexistent .
•
Determine existence of primary or secondary volumes.
•
If a replication set has not been successfully created,
Action > Create
Replication Set
on the
Replications
topic to create a replication.
•
Review event logs (in the footer, click the events panel and select
Show
Event List
) for indicators of a specific fault in a replication data path
component. Follow any Recommended Actions.
No
Network error occurred during in-
progress replication.
•
Review event logs for indicators of a specific fault in a replication data path
component. Follow any Recommended Actions.
•
Click in the
Volumes
topic, and then click a volume name in the volumes list.
Click the
Replication Sets
tab to display replications and associated
metadata.
•
Replications that enter the suspended state can be resumed manually (see
the
Dell EMC PowerVault ME4 Series Storage System Administrator’s Guide
for additional information).
No
Communication link is down.
Review event logs for indicators of a specific fault in a host or replication data
path component.
Has a replication run successfully?
Table 25. Diagnostics for replication setup: Checking for a successful replication
Answer
Possible reasons
Action
Yes
System functioning properly
No action required.
No
Last Successful Run shows N/A
•
In the
Volumes
topic, click the volume that is a member of the replication
set.
•
Select the
Replication Sets
table.
•
Check the Last Successful Run information.
•
If the replication has not run successfully, use the ME Storage Manager to
replicate as described in the topic about working in replications in the
Dell
EMC PowerVault ME4 Series Storage System Administrator’s Guide
.
No
Communication link is down
Review event logs for indicators of a specific fault in a host or replication data
path component.
82
Cabling for replication
