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Oracle ZFS Storage Appliance: Replication Performance is Slower after Upgrade to a 2013.1.x Release (Doc ID 2008286.1)

Last updated on FEBRUARY 09, 2016

Applies to:

Oracle ZFS Storage ZS4-4 - Version All Versions and later
Oracle ZFS Storage ZS3-4 - Version All Versions and later
Oracle ZFS Storage ZS3-2 - Version All Versions and later
Oracle ZFS Storage ZS3-BA - Version All Versions and later
Sun ZFS Storage 7420 - Version All Versions and later
7000 Appliance OS (Fishworks)


The release of 2013. code, included new support for replication analytics. Prior to this release, if was very difficult to monitor the rate or amount of data being replicated from a source to a target.

The new features included the following.

The inclination is to go into analytics and start all of these utilities to get an accurate measurement of throughputs, bandwidth, and time to completion.

The problem is that the replication data shows significantly slower values than what was expected, or what the connection can operate at.

In this example, we see initial replication over a dedicated 10GB connection replicating at only 50 Meg/sec (parsed)



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