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wd2000fyyz
2013 Jul 09
1
rsync speed limited by read chunk size?
...read speeds are limited. All
rsyncs are on the machine itself and do not cross the 10Gb network.
We have five(5) raid boxes in the following configuration. Raid card
caching is disabled which allows direct disk access.
Intel E5-2630
64GB RAM DDR3 2400MHz
LSI 9271-8i (caching disabled)
24x WD 4TB WD2001FYYG (2x 12 drive raid 6 arrays)
Ubuntu 12.04.2 LTS (patched as of today)
ZFS filesystem (v28 pool v5000, compression off, checksums on)
The following tests were run on all five boxes to rule out hardware
issues and tests were started when the machine was at a load of
zero(0). There are no files on th...