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46 Troubleshooting
Unable to add a node to
the cluster.
The new node cannot
access the shared
disks.
The shared disks are
enumerated by the
operating system
differently on the
cluster nodes.
Ensure that the new cluster
node can enumerate the cluster
disks using Windows Disk
Administration. If the disks do
not appear in Disk
Administration, check the
following:
• Check all cable connections
• Check the LUN assignments
•In the
Advanced
option, select
Minimum
value
One or more nodes
may have the Internet
Connection Firewall
enabled, blocking
RPC communications
between the nodes.
Configure the Internet
Connection Firewall to allow
communications that are
required by the MSCS and the
clustered applications
or services.
For more information, see
Microsoft Knowledge Base
article KB883398 at the
Microsoft Support website at
support.microsoft.com.
The disks on the shared
cluster storage appear
unreadable or
uninitialized in
Windows Disk
Administration
This situation is
normal if you stopped
the Cluster Service. If
you are running
Windows Server 2003,
this situation is
normal if the cluster
node does not own the
cluster disk.
No action required.
Table A-1. General Cluster Troubleshooting (continued)
Problem Probable Cause Corrective Action