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Legato NetWorker, Release 7.0
Disaster Recovery Guide
Chapter 6: Microsoft Cluster Disaster Recovery (Windows NT 4.0)
6
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How to Replace the Quorum Disk and Recover Its Data
To recover the quorum disk’s data:
1. Take offline any cluster resources or applications that depend on the
quorum disk’s data.
Important: Do not take the Cluster Service offline.
2. Change the quorum disk’s drive letter and replace the quorum disk with
a new disk.
Note: For detailed instructions, refer to the appropriate Microsoft
documentation. In particular, refer to Microsoft Knowledge Base article
Q280353, How to Change Quorum Disk Designation.
3. If necessary, install the NetWorker software on the node that has access to
the quorum disk.
4. Recover any data except the quorum data that resided on the quorum disk
prior the disaster.
Important: Do not recover the quorum data.
Recovering the MSCS Cluster Configuration
The following procedure is based on these assumptions:
• You have not changed the disk configuration from the time you
performed the last backup on the cluster database.
• You have not replaced any hardware, including the shared disk, from the
time you performed the last backup on the cluster database.
• Node_A has the latest backup of the system state.
• Node_A or a virtual server has the latest backup of the quorum data.
To recover the MSCS cluster configuration, perform the following tasks:
• “Task 1: Recover the System State and Quorum Data” on page 118