Network Mode slow

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Network Mode slow

Veeam Logoby aschalk » Thu Mar 30, 2017 9:00 am

Hey Guys,

currently we are trying to set up Veeam Backup in our Environment.
Most of our VMs have VMDKs, which reside on SAN Storage.
For that we use a virtual job server and a physical proxy server and configured Direct Storage Access.
We also configured separte VLAN only for backup + plus own network components between the involved components to not interfere with production network.
It's working really great so far.

Some VMs however use storage from a NAS system. In this case backups are configured to
fall back to Network Mode. But the throughput is rather bad. The maximum read was about 85MB/s.

We configured vmkernel interface on the ESX Servers, put them in the backup VLAN and gave them one 10G interface each.
A Ping from the Proxy to the configured vmkernel interface of the ESX Servers works.
tracert reveals that no additional hops are involved.
Additonally I edited the hosts file on the proxy and the job server, and inserted the vmkernel ips + Hostname of the respective ESX Server.

Did we miss somthing?
aschalk
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Re: Network Mode slow

Veeam Logoby aschalk » Thu Mar 30, 2017 11:46 am

Support Case # 02114621
aschalk
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Re: Network Mode slow

Veeam Logoby foggy » Thu Mar 30, 2017 2:09 pm

What are the bottleneck stats for those slow jobs? If it is source, then the NAS device isn't just able to provide data any faster.
foggy
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Re: Network Mode slow

Veeam Logoby aschalk » Tue Apr 04, 2017 10:20 am 1 person likes this post

Bottleneck was indeed the source, but is was primarly due to a bad configured connection between esx and nas over iscsi. The ports were configured to use only 1G although they can handle 10G.
We switched them to 10G and now only the disks of the NAS are the bottleneck. But this is nothing veeam can help with i guess :-).
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