d. Assign drive letters to the newly found disks and partitions, making sure the
drive letters match those on the other node.
e. Start the Cluster Administrator.
f. Create a new disk group under the cluster name.
g. On the new disk group name, right-click and select
New
→
Resource
.
h. Enter the
Disk
and the drive letter to assign to this disk group; for example,
Disk M:
.
i. For the Resource Type, select
Physical Disk
and click
Next
.
j. Make sure that both nodes are selected as possible owners and click
Next
.
k. Under
Parameters
, use the drop-down menu to select the new disk drive
you want to manage using the Cluster Server and select
Finish
.
l. Bring the resource online.
3. Perform Steps 2f through 2l for any additional disk drives, placing new disks into
new disk groups.
4. Power-on the first node and wait for resources to come online. You can then
create additional resources, dependencies, and failover policies.
RAID mirroring
The Model 326 hardware has a RAID-1 mirroring option using the IBM ServeRAID
4Lx adapter. The System and Maintenance partitions are mirrored using two 18 GB
hard drives to provide increased reliability and failover capability. This RAID option
has a stripe size of 8K.
Memory notes
The following sections contain information on adding memory.
Adding more engine memory to increase performance
You can enhance the performance of the Model 326 in an NFS environment by
adding more RAM to its processor. To do this:
1. Purchase two 512M memory DIMMs for each of the two engines as a field
upgrade by ordering 5187-5RZ Feature Code 0007 from your IBM
representative.
2. Follow the instructions in Chapter 3, section “Replacing memory modules,” of
the
Installation Guide
.
3. Before rebooting the appliance, attach a keyboard and display directly to the
rear connectors of the product. During the first IPL, you will have to read and
answer questions about the additional memory you have installed.
Using the Recovery CD-ROM if you have added more processor
memory
If you have installed more processor memory, and later use the Recovery CD-ROM
(see “Chapter 9. Using the Recovery and Supplementary CDs” on page 123), you
will have to attach a keyboard and display and answer questions about the
additional memory that you have installed.
84
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