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Replication performance problems
We have two iSCSI SANS both running iSCSI R3 v5.0 and are trying to replicate a volume between the two.
They are currently sat side by side but running through a VPN to simulate the architecture when one is moved off site.
Running through the vpn we are only getting replication task throughput of around 4388kb/s which on a 2.5TB volume will take a while to complete.
We are not using teamed NIC's; all replication traffic is through dedicated NIC's and all user storage traffic through separate NIC's.
Any suggestions as to how we can improve the throughput --- could it be anything to do with using Block I/O rather than File I/O???
Any suggestions gratefully received!
Cheers,
Carl
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