Chapter 9: HP TruCluster Disaster Recovery

recover> delete dvrdevtab*

recover> force

recover> recover

where cluster_default_alias is the name of the cluster and member# is the member ID of the down cluster node.

3. Use the NetWorker recover command to recover the node’s dev and devices directories, as in the following example.

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Note: The noforce option is used in this step so that the recovered files do not overwrite the existing files.

#recover -ccluster_default_alias

recover> add /dev /devices

recover> cd /cluster/members/membermember#

recover> add dev devices

recover> noforce

recover> recover

where cluster_default_alias is the name of the cluster and member# is the member ID of the down cluster node.

Note: When prompted to overwrite files, enter N to prevent files from being overwritten.

4. Recompile the kernel using the doconfig command.

Restoring an Entire Cluster

This section explains how to recover an entire cluster that has been destroyed.

Note: To help ensure a successful recovery, have on hand the information listed in the section titled, “Record Information” on page 139. This information should have been recorded prior to the disaster.

How to Restore an Entire Cluster

To recover an entire cluster, perform the following tasks:

•“Task 1: Replace the Damaged Hardware” on page 144

•“Task 2: Verify Hardware Mappings” on page 144

•“Task 3: Install and Configure the Cluster Software” on page 144

Legato NetWorker, Release 7.0

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Disaster Recovery Guide