recommendation on backing up RHEL/Windows cluster under ESXi

HI All,

I am now working with a backup solution to backup RHEL and Windows cluster. I know nothing about how to backup clustering environment.

Master Server will be installed on Windows Server 2012, with latest Netbackup release.

I believe there are other documents mentioning the backup method for clusters, but if it's under ESXi, may I know if it's possible to backup all Guest OS vmdks using VMware policy, and leave the shared cluster disk to backup using other policy?

For restore then I will restore the guest OS first, followed by data disks. 

Any comment or advise? Thanks a lot!