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July 29th, 2014 22:00
pre-comp remaining in data domain getting larger and larger
hi techies,
i have an offsite data domain(2) and replicated from data domain(1). the problem is, the value of pre-comp remaining in replication status getting bigger and bigger everyday. Our internet speed is 10Mbps.. Do we have to upgrade this? Please see screenshot for replication details.
Thanks,
Randy
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ionthegeek
2 Intern
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2K Posts
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July 30th, 2014 06:00
The bandwidth is only half the story when it comes to replication performance. The round-trip latency of your WAN connection is also important. You can find this by running ping.
If the latency is high, the system may not be effectively filling up the pipe because there is a limit on how much data can be "in flight" at any given time. When replicating across high latency links, you may need to increase the socket buffer size so more data can be in flight.
If the latency is low, you may have to upgrade the bandwidth of the link.