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3-4 Dell PowerEdge Cluster (PowerEdge 4200) Installation and Troubleshooting Guide
When a packet gets sent across the network from a local
client, the source and destination IP addresses of the
packet are inserted in the IP header. The system checks
whether the network ID of the destination address
matches the network ID of the source address. If they
match, the packet is sent directly to the destination com-
puter on the local network. If the network IDs do not
match, the packet is forwarded to the default gateway for
delivery.
Changing the IP Address of a Cluster
Node
NOTE: To change the IP address of a cluster node, the
Cluster Service running on that node must be stopped.
Once the service is stopped, the IP address can be re-
assigned and the server restarted.
While the node is down, the Cluster Administrator utility
running on the second node indicates that the first node is
down by showing its icon in red. When the node is
restarted, the two nodes reestablish their connection and
the Cluster Administrator changes the node icon back to
blue to show that the node is back online.
Naming and Formatting Shared Drives
The logical drives of the shared storage subsystem must
be assigned drive letters and then formatted as Windows
NT file system (NTFS) drives. The assigned drive letters
must be identical on both cluster nodes.
NOTE: Because the number of drive letters required by
individual servers in a cluster may vary, it is recom-
mended that the shared drives be named in reverse
alphabetical order beginning with the letter “z.”
Use the following procedure to assign drive letters and
format drives:
1. Click the Start button, point to Programs, point
to Administrative Tools (Common), and click
Disk Administrator.
2. At the confirmation dialog box, click Yes to enter
a signature on all new physical or logical drives.
3. Find the disk icon for the first unnamed, unfor-
matted drive, right-click the icon, and select
Create from the submenu.
4. In the dialog box, create a partition the size of the
entire drive (the default setting) and click OK.
5. Click Yes to confirm the partition.
6. With the pointer on the same icon, right-click and
select Assign Drive Letter from the submenu.
7. Type the letter you want to assign the drive (for
example, z) and click OK.
8. Highlight and right-click the drive icon again and
select Commit Changes Now from the submenu.
9. Click Yes to save the changes.
10. Click Yes to confirm that changes were made.
11. Right-click the drive icon again and select Format
from the submenu.
12. At the dialog box, change the file system to NTFS,
click Quick Format, and click Start.
The NTFS file system format is required for shared-
disk resources under Microsoft Cluster Server.
13. Click OK at the warning.
14. Click OK to acknowledge that format is
complete.
15. Click Close to close the dialog box.
16. Repeat steps 3 through 15 for each remaining
drive.
17. Close the Disk Administrator dialog box.
When all drives have been assigned drive letters and for-
matted, the identical drive letters for the shared drives
must be assigned on the second cluster node. To do this,
enter the Disk Administrator on the second cluster node,
right-click each drive, and assign the same drive letter to
each drive that was assigned on the first cluster node.
Driver for the RAID Controller
The RAID controller driver, pedge.sys, must be version
2.04 or later. Refer to the section in this chapter entitled
“RAID Controller Driver” for instructions on how to ver-
ify that this driver is installed.