Release Notes

If you run the Validate Network Communication Test on the Failover Cluster in

Figure 2, the test fails and the following message is displayed:

Network interfaces <interface 1> and <interface 2> are on

the same cluster network, yet either address <address 2> is

not reachable from address <address 1> or the ping latency

is greater than the maximum allowed 500 milliseconds.

Where:

•

and

correspond to the interfaces for

Cluster Node 1 NIC 1-1

and

Cluster Node 2 NIC 2-2

(or

Cluster Node 1

NIC 1-2

and

Cluster Node 2 NIC 2-1

)

•

and

correspond to 192.168.130.10 and

192.168.130.11 (or 192.168.131.10 and 192.168.131.11).

Validate Network Communication Test detects that NIC 1-1 and NIC 2-2 are on

the same subnet, and incorrectly assumes that they are used for cluster

communications. When Validate Network Communication Test tries to test the

communications between the two NICs, the test fails.

Additional Information

• The requirement for one subnet per iSCSI connection applies to the following

configurations:

– iSCSI direct-attached configurations with more than two nodes

– iSCSI direct-attached configurations using IPv6

– iSCSI direct-attached configurations with one iSCSI connection per host

NOTE:

For iSCSI switched-attached configurations, the requirement for one subnet

per iSCSI connection is not applicable.

• For information on how to configure the IP addresses for the iSCSI ports, see

the iSCSI storage array documentation located on the Dell Support website at

support.dell.com

•

For more information on how to identify and correct this Validate Network

Communication error for Failover Clusters, see the Microsoft knowledge

base article KB951434 located on the Microsoft website at

www.microsoft.com.

MDiSCSI.fm Page 11 Monday, April 21, 2008 2:17 PM