Forum Discussion

mghomer's avatar
mghomer
Level 6
11 years ago
Solved

backup with two nic's

Hi all,

im trying to increase my backup speed, becuase that ich my bottleneck.

So my byckups server 2008R2 has two 1GB Nic's which are actining over two different vlan's on the ather site i have a vm client with 2 nics's which are appliet to two different hardware nic's on the vm host.

I can communicate(ping) on both nics to the backup serevr botch nic's and back. So the connection is ok on both vlan's

My problem is if i create a backup job and select the new recently added nic for the backup the traffic is still flows over the old default nic. Im not sure why.

Can anyone help me to solve it.

My plan is to backup my fileserver over both nic's simultaneos with twi jobs to two differnt harddisks.

We are running a BE 2010R2

Hope you can help my

2010
Agents
Backing Up
Backup and Recovery
Backup Exec
Basics
Best Practice
Installing
Tip-How to
Troubleshooting
  • pkh's avatar
    pkh
    11 years ago
    You need to edit the Hosts file on both the media server and the remote server and make sure that they communicate over whichever subnet they are supposed to communicate over. To test, disable the other nic and see whether you can do a backup

9 Replies

Sort By
  • Colin_Weaver's avatar
    Colin_Weaver
    Moderator
    11 years ago

    Name resolution has to be tweaked so that the servers only resolve each other over the network you want to use. Often this means host file record changes as you don't want to affect non-backup communication to the same servers by changing DNS server records

  • mghomer's avatar
    mghomer
    Level 6
    11 years ago

    Hi,

    thanks for your answer!

    you write  "only resolve each other over the network you want to use". But in my case i want to use both  networks in different jobs. Is there a possibility to do that?

    Thanks

  • mghomer's avatar
    mghomer
    Level 6
    11 years ago

    yes know it, i did it this way but it doesn't work! I see the traffic is still goes over the primary nic.

     

  • pkh's avatar
    pkh
    Moderator
    11 years ago
    That is because to our name resolution is not set up correctly
  • mghomer's avatar
    mghomer
    Level 6
    11 years ago

    not sure how it to tweak with the name resolution

    I mean have two different subnet's

    so do i have to edit the hosts file only on the backup server? if yes, how? just insert the adress of the fileserver and the name?

    By th way the secend subnet has only two ip's the fileserver and the backup server just for the backup.

    There is no dns server and of course the same is setuped in the nic settings only the ip and the subnet adresse wthout dns or gateway.

     

  • pkh's avatar
    pkh
    Moderator
    11 years ago
    You need to edit the Hosts file on both the media server and the remote server and make sure that they communicate over whichever subnet they are supposed to communicate over. To test, disable the other nic and see whether you can do a backup
  • Colin_Weaver's avatar
    Colin_Weaver
    Moderator
    11 years ago

    In that case I think the control connection will always be over the address that is resolved although by choosing the network card you should get the data connection running on the network you specify, although to be honest I am not sure we have done any specific design or testing to allow split paths for backups of different resources on the same server

  • mghomer's avatar
    mghomer
    Level 6
    11 years ago

    cool thanks! it works now.

    but the performance is still not that what I was expecting for two 1 GB nic's

    both jobs together have 100 MB per second i thought i will reach about 200 MB/s

    So i have to look for another bottleneck.