How to specify NIC when doing backups.

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tylerdurden81

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Jan 8, 2011
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I am currently running about 100 VM's in my cluster. Each node has 5 NIC cards in them and so does each of the Storage machines. (i have 2 ISCSI and 3 NFS machines) I want to dedicated 1 nic in each machine for the back up process. Doing backups really saturates my netowrk and slows down performance greatly .. so i thought that putting backups on a second network might help. Any sugestions?
 
tylerdurden81 said:
I am currently running about 100 VM's in my cluster. Each node has 5 NIC cards in them and so does each of the Storage machines. (i have 2 ISCSI and 3 NFS machines) I want to dedicated 1 nic in each machine for the back up process. Doing backups really saturates my netowrk and slows down performance greatly .. so i thought that putting backups on a second network might help. Any sugestions?
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Hi,
why you don't use a seperate lan for the storage/backup?

Udo
 
tylerdurden81 said:
I am. But.... i want to use a seperate nic on the Nodes instead of the nic that assigned to the VM.
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Hi,
and where is the problem? you can use a nic for nodeonly communication via nfs/iscsi if you use a) the nic without bridge, like eth3 or b) you use a bridge, which you don't use in any vm.
Or do i missunderstand something of your setup?

Udo
 
Ok i am talking about the proxmox machine .. not the Storage machine. When i do backups ... the traffic travels through the bridged NIC assigned to the VM .. i would like to use an other nic instead, that is on a different network. Lets say i have a machine with 5 nics. and i have 4 vms running on the machine. I would like the back to use the 5th nic and not the one assigned to the vm.
 
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