On Nov 14, 2009, at 4:38 AM, Brian McKerr wrote:
Hello all,
Are there any best practices / recommendations for ways of doing
this ?
In this case the ZVOLs would be iSCSI LUNS containing ESX VMs .....I
am aware of the of the need for the VMs to be quiesced for the
backups to be useful.
The best way is to backup closest to the context of the data -- in the
VM client.
But you can take snapshots of the volumes and dd or zfs send them to a
backup system. Little time is required to take a snapshot, but the time
required to quiesce the VM can, in my experience, be much larger than
desired.
Another method is to take snapshots with the VM and then save those.
The same caveat applies wrt the client VM noticing the quiesce.
-- richard
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