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Dell MD Array Unable to Update Remote Replication

Dell.MDStorageArray.ABBXMLEvent57 (Rule)

Knowledge Base article:

Summary

Unable to Update Remote Replication

The causes and resolutions refer to the Dell Modular Disk Storage Manager recovery guru. Launch Dell Modular Disk Storage Manager to diagnose and fix the recovery failure as follows:

Causes

A storage array world-wide identifier change occurred on this storage array and it was unable to establish a connection and notify a remote storage array with replication relationships of the change. The Recovery Guru Details area provides specific information you will need as you follow the recovery steps.

Important Notes

Resolutions

1

If there are other problems listed in the Recovery Guru Summary area, fix them first and then return to this procedure.

2

Perform the following steps to save the current replication configuration from the Storage Array Profile. This information will be used to identify the current replication relationships associated with the affected remote storage array so the replication configuration can be duplicated.

a

In the Array Management Window (AMW), select the Monitor > Reports > Storage Array Profile menu option.

b

Select the Copy Services tab.

If...

Then...

All virtual disks are replicated through Remote Replication

Perform the following steps:

a

Select the Remote Replication Pairs tab.

b

Click the Save As button to save the information to a file.

c

Go to step 3.

All virtual disks are replicated through Remote Replication (Legacy)

Perform the following steps:

a

Select the Remote Replication (Legacy) Pairs tab.

b

Click the Save As button to save the information to a file.

c

Go to step 5.

There are virtual disks replicated through both Remote Replication and Remote Replication (Legacy)

Perform the following steps:

a

Select the Remote Replication Pairs tab.

b

Click the Save As button to save the information to a file.

c

Select the Remote Replication (Legacy) Pairs tab.

d

Click the Save As button to save the information to a file.

e

Go to step 3.

3

The replicated pair relationship must be removed and reestablished for each replicated virtual disk (use the file saved in step 2 as a guide). Perform the following steps:

a

On the Storage and Copy Services tab in the AMW, highlight the replicated pair node in the left-hand pane under the local replicated virtual disk.

b

Select the Copy Services > Replication > Remote Replication > Replicated Pair > Remove... menu option.

c

Follow the instructions in the dialog, and then click the Remove button.

Note: If there is a connection problem between the storage arrays, the replication relationship will not be removed on the remote storage array. If this occurs, perform the same steps to remove the replication relationship on the remote storage array. Any connection problem must be resolved before the replication relationship can be reestablished. Check the Recovery Guru on both storage arrays for possible problems. If no problems are shown, check for damaged fibre cables, loose connections, or a malfunctioning switch between the two storage arrays.

d

Repeat steps a - c for each replicated virtual disk.

e

Go to step 4.

4

After the replicated pair relationship has been removed for each replicated virtual disk, perform the following steps to reestablish the replicated pair relationship:

a

On the Storage and Copy Services tab in the AMW, highlight the local virtual disk.

b

Select the Copy Services > Replication > Remote Replication > Replicated Pair > Create... menu option.

c

Select a remote replication group and repository virtual disk.

d

After the wizard steps for creating a replicated pair on the local storage array are complete, navigate to the AMW of the remote storage array and complete the replicated pair using the secondary virtual disk originally associated with the replicated pair (use the file saved in step 2 as a guide).

e

Repeat steps a - d to reestablish the replicated pair relationship for each virtual disk.

f

If there are virtual disks also replicated through Remote Replication (Legacy), go to step 5. If not, go to step 7.

5

The replicated pair relationship must be removed and reestablished for each replicated virtual disk (use the file saved in step 2 as a guide). Perform the following steps:

a

On the Storage and Copy Services tab in the AMW, highlight the local replicated virtual disk.

b

Select the Copy Services > Replication > Remote Replication (Legacy) > Remove Replication Relationship... menu option.

c

Follow the instructions in the dialog, and then click the Remove button.

Note: If there is a connection problem between the storage arrays, the replication relationship will not be removed on the remote storage array. If this occurs, perform the same steps to remove the replication relationship on the remote storage array. Any connection problem must be resolved before the replication relationship can be reestablished. Check the Recovery Guru on both storage arrays for possible problems. If no problems are shown, check for damaged fibre cables, loose connections, or a malfunctioning switch between the two storage arrays.

d

Repeat steps a - c for each replicated virtual disk.

e

Go to step 6.

6

After the replicated pair relationship has been removed for each replicated virtual disk, perform the following steps to reestablish the replicated pair relationship:

a

On the Storage and Copy Services tab in the AMW, highlight the local virtual disk.

b

Select the Copy Services > Replication > Remote Replication (Legacy) > Create Replicated Pair... menu option.

c

Select the remote storage array and secondary virtual disk originally associated with the replicated pair (use the file saved in step 2 as a guide).

d

Select the write mode and synchronization settings for the replicated pair, and type 'yes' to confirm the operation.

e

Repeat steps a - d to reestablish the replicated pair relationship for each virtual disk.

f

Go to step 7.

7

Click the Recheck button to rerun the Recovery Guru. The failure should no longer appear in the Summary area. If the failure appears again, contact your Technical Support Representative.

Element properties:

TargetMicrosoft.SystemCenter.ManagementServer
CategoryAlert
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
Dell MD Array Unable to Update Remote Replication
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