Hey all, I've got a question about how you backup your VM environment? We're using vSphere 5.5 and NetApp NAS for datastores. We have about 75 8TB datastores, and about 2500 VMs. The VMs are not distributed evenly because of service levels associated with the datastores.
We're being told by various backup vendors that the main issue is the number of VMs per datastore, because quiescing lots of VMs and then taking a datastore snapshot can produce long wait times when rolling the qieusced images back in to the running VM. Our VM team is telling us that there is no current tool to manage the number of VMs per datastore, just the size of the datastores. So I'm curious what some common methods are for managing backups in a large VM environment. Do you just use agents and backup from within the VM? Do you bother doing app consistent backups of the VMs or just snapshot the datastore and not worry about consistency? Have you found a product that manages qiuescing and snapshots in a reasonable way? We've looked at NetBackup, Commvault and Veeam so far. Thanks, -Adam
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