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Chapter 9 - Violin Utilities
166
VMA-series Memory Array Installation and Service Guide
HP-AM456-9002A Rev 01
The
perf_test
utility returns information similar to the following example when
run on a Linux host:
# perf_test -s 640 -R -A64 -t8 -o
Violin Memory, Inc.
Version: vtms-linux-utils-D4.5.4, 05/23/2011
Command: perf_test -s 640 -R -A64 -t8 -o
Running with options:
threads = 8
block_size = 4096
memory size = 640 GB
memory start addr = 0x0
write:read ratio = 0:1
random mode = 1
duration = 0 secs
path = /dev/vtms-strad
MB = 1000000 bytes
no-cache mode = 1
AIO depth = 64
Time (sec)Read BW Write BWTotal BWRead IOPSWrite IOPSTotal IOPS
1
817.181 MB/s0.000 MB/s817.181 MB/s199507001995070
2
817.132 MB/s0.000 MB/s817.132 MB/s1994950199495
3
817.160 MB/s0.000 MB/s817.160 MB/s1995010199501
4
817.096 MB/s0.000 MB/s817.096 MB/s1994860199486
Summary of Contents for VMA Series
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