Forum Discussion
In a first step (before we start to migrate our datastores) I would like to use virtual VMware Backup Hosts to use HOTADD transport instead of NBD.
The first question is "Why hot-add?".
You want your Backup host to be able to read vmdk from NFS datastore. It is ok. But what's next? If you use NetBackup client as a Backup host it simply reads vmdk from NFS datastore (via LAN) and passes the same amount of traffic (via LAN) to the media server. It has no difference with LAN transport except some details. If you want to reduce LAN traffic you can use media server installed into a VM as VMware Backup Hosts but is should use SAN connected disks otherwise you'll pass traffic via LAN again.
Veritas has nice admin guide for NetBackup + VMware https://www.veritas.com/support/en_US/article.000108087 it covers everything.
and articles:
https://www.veritas.com/support/en_US/article.v63153325_nbu_vmware_web
https://www.veritas.com/support/en_US/article.v62458957_nbu_vmware_web
https://www.veritas.com/support/en_US/article.000094725
It requires reading because you're designing a backup solution and must consider many factors.
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