I have two openvz servers running Centos 6.x both with 32GB of RAM.
One is an Intel Xeon E3-1230 quad core with two 4TB 7200 SATA drives
in software RAID1. The other is an old HP DL380 dual quad core with 8
750GB 2.5" SATA drives in hardware RAID6. I want to figure out which
one has better random I/O performance to host a busy container. The
DL380 currently has one failed drive in the RAID6 array until I get
down to replace it, will that degrade performance? Is there an easy
way to test disk I/O? On a plain Gigabyte file copy the software
RAID1 box seems to be twice as fast.
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