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June 5th, 2017 06:00
Dedicated replication in avamar multinode M1200 (gen4t)
Hi,
we have a customer who has Gen 4T M1200 unit. its a multi node and we have to configure dedicated replication in it. checked the PG and found that we can create bond2 in the utility node for the replication during the execution of dpnnetutil. I did not see any steps to be peformed on the storage nodes like create same bond2. I have manually created dedicated replication single node avamar but not on multimode. any guidance on this topic will be more great ful.
Thanks,
Chandan
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ionthegeek
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June 5th, 2017 06:00
The replicator runs on the source utility node. It connects to the source storage nodes using the internal network in the usual way. It must be able to reach the target utility node on port 29000 and all the target storage nodes on port 29000 across the dedicated replication network.
It is not necessary to create an additional bond on the source storage nodes. There must be an interface (eth or bond, depending on the number of available NICs) configured on the dedicated replication network on the target utility node and all target storage nodes.
maharc
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June 5th, 2017 07:00
Hi Ian,
thanks a lot for the suggestion. so I will use the dpnnetutil to create dedicated bond2 in the utility node of the grid and it will update the probe.xml file with all the configurations. I can cross check to see if the storage ndoes at both the location have the right interface plugged in or not (like it will be eth3/eth4). if they are plugged in and link up , then we should be good even without creating dedicated bonding on the nodes???
Thanks,
Chandan
connolly
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June 8th, 2017 14:00
Question - if you ever had to do a "recover from REPLICATE" (i.e. recover the source Avamar from the replicate target), wouldn't you need to have the additional interfaces set up on the "original source" Avamar storage nodes if you wanted to make use of the dedicated replication network for that recovery replication traffic?
Even if one doesn't set up "bi-directional replication", I would suggest that one should still consider what might be needed to replicate data back to the source Avamar if that was ever necessary.
Thoughts?