KB1446: How to setup SAN access for use with Veeam Backup ...
https://www.veeam.com/kb144614.12.2011 · Veeam Backup & Replication prevents the Windows OS from initializing the volume automatically by changing the SAN Policy to "Offline Shared" when a server is added as a VMware Backup Proxy. If a single server is used as both a VMware Backup Proxy using Direct SAN transport mode, and a Veeam Repository using volumes presented via iSCSI and/or FC, care …