[PVE-User] efficient backup of VM on external storage.

[Muhammad Yousuf Khan]

i have never worked on external storage just  worked on drbd on local
storage/system drives.

Scenario is:
for example. i have two external storage and 1 Proxmox Machine.
i am using 1G NICs to connect all nodes

the storage are connected to each other from another link but no
replication done b/w storage boxes mean they are no failover to each other.
and both the storage are connected to Proxmox. i am using primary storage
to run 3 machines on NFS or iSCSI. note that machine are running on primary
storage over a single 1G ethernet link/single point of failure.


now lets say. i want VM1 backedup to secondary storage. however i dont want
my backup traffic to effect my primary link where 3 machines are active.

any suggestion to achieve that.


Thanks.
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