Compaq ProLiant 1850R Modifying Physical Cluster Resources in a Compaq Paralle - Page 12

Adding a Drive to Increase Storage Capacity

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Modifying Physical Cluster Resources in a Compaq Parallel Database Cluster 12 Adding a Drive to Increase Storage Capacity It is feasible that during the life of your Parallel Database Cluster you will need to expand the capacity of your shared storage system. The following steps describe how to add a drive to the Compaq Fibre Channel Storage System and how to allocate it to Oracle8 Parallel Server. 1. Physically add the drive(s) to the fibre channel array. 2. Run the Compaq Array Configuration Utility to create the desired RAID logical drives and to configure them with the desired RAID level. Note: You cannot increase the capacity of an existing Windows NT drive, but can create new partitions with the extra capacity furnished by the added drive(s). The new partitions can then be added to the Oracle database. 3. Start Windows NT and run disk administrator to create an extended partition on each of the newly configured drive volumes. 4. Using disk administrator, create logical partitions within the newly created extended partitions. IMPORTANT: Do not format the drives. Oracle8 Parallel Server uses RAW partitions, which requires that the drive not be formatted with any file system. 5. Use disk administrator to remove the drive letters that may be assigned to the newly created logical partitions. 6. If the addition of the drives affects the order in which disk numbers are assigned to the shared drives, the symbolic link table file(s) will need to be modified to reflect the changes. Refer to the section in this chapter entitled Managing Changes to Drive Ordering for comprehensive information about this task. Note: The number of symbolic link table files depends on the number of nodes in the cluster. All symbolic link table files must be modified. Update the symbolic link table file as needed for each node and then execute the SETLINKS utility to establish the proper symbolic links on each node. 7. Perform the necessary Oracle commands to associate the new data files to the database ECG001/1298

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Modifying Physical Cluster Resources in a Compaq Parallel Database Cluster
12
ECG001/1298
Adding a Drive to Increase Storage Capacity
It is feasible that during the life of your Parallel Database Cluster you will need to expand the
capacity of your shared storage system. The following steps describe how to add a drive to the
Compaq Fibre Channel Storage System and how to allocate it to Oracle8 Parallel Server.
1.
Physically add the drive(s) to the fibre channel array.
2.
Run the Compaq Array Configuration Utility to create the desired RAID logical drives and to
configure them with the desired RAID level.
Note:
You cannot increase the capacity of an existing Windows NT drive, but can create new
partitions with the extra capacity furnished by the added drive(s). The new partitions can then be
added to the Oracle database.
3.
Start Windows NT and run disk administrator to create an extended partition on each of the
newly configured drive volumes.
4.
Using disk administrator, create logical partitions within the newly created extended
partitions.
IMPORTANT:
Do not format the drives. Oracle8 Parallel Server uses RAW partitions, which
requires that the drive not be formatted with any file system.
5.
Use disk administrator to remove the drive letters that may be assigned to the newly created
logical partitions.
6.
If the addition of the drives affects the order in which disk numbers are assigned to the shared
drives, the symbolic link table file(s) will need to be modified to reflect the changes. Refer to
the section in this chapter entitled
Managing Changes to Drive Ordering
for comprehensive
information about this task.
Note:
The number of symbolic link table files depends on the number of nodes in the cluster.
All symbolic link table files must be modified. Update the symbolic link table file as needed for
each node and then execute the SETLINKS utility to establish the proper symbolic links on each
node.
7.
Perform the necessary Oracle commands to associate the new data files to the database