Hi
If you are running antivirus software on a cluster, make sure that you exclude these locations from virus scanning:
Also check these articles.
http://www.symantec.com/business/support/index?page=content&id=TECH105581&actp=search&viewlocale=en_US&searchid=1356855465707
Installing SEP Client on Cluster Nodes:
http://www.symantec.com/business/support/index?page=content&id=TECH91154&actp=search&viewlocale=en_US&searchid=1356855698835
After installing SEP client on Cluster Node the moving of resources fails
http://www.symantec.com/business/support/index?page=content&id=TECH154394&actp=search&viewlocale=en_US&searchid=1356855698835
A partial workaround may be implemented by excluding files based on extension--these types of exclusions are still effective. The Cluster Shared Volumes feature of failover clustering is supported by Microsoft only for use with the Hyper-V server role, so you should be fairly sure of the file types that will be on these volumes:
.vhd
.avhd
.vsv
.xml
.bin
.iso
.vfd
.exp