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<div dir="ltr"><font color="#000000" size="2" face="Tahoma">I test GlusterFS on this equipment:<br>
<br>
Backend LSI 7000, 80Tb, 24LUN's<br>
4 OSS, Intel based server, connect to LSI via 8Gb FiberChanel, 12Gb RAM<br>
1 Intel based main server, connect to OSS via QDR InfiniBand, 12Gb RAM<br>
and 16 Load Generators with 2 Xeon X5670, on board, 12Gb RAM. QDR InfiniBand<br>
<div dir="ltr"><font size="2" face="tahoma">I use IOR for test , and get next results:</font></div>
<div dir="ltr"><font size="2" face="tahoma"></font> </div>
<div dir="ltr"> /install/mpi/bin/mpirun --hostfile /gluster/C/nodes_1p -np 16 /gluster/C/IOR -F -k -b10G -t1m<br>
IOR-2.10.3: MPI Coordinated Test of Parallel I/O</div>
<div dir="ltr">Run began: Tue Oct 19 09:27:03 2010<br>
Command line used: /gluster/C/IOR -F -k -b10G -t1m<br>
Machine: Linux node1</div>
<div dir="ltr">Summary:<br>
api = POSIX<br>
test filename = testFile<br>
access = file-per-process<br>
ordering in a file = sequential offsets<br>
ordering inter file= no tasks offsets<br>
clients = 16 (1 per node)<br>
repetitions = 1<br>
xfersize = 1 MiB<br>
blocksize = 10 GiB<br>
aggregate filesize = 160 GiB</div>
<div dir="ltr">Operation Max (MiB) Min (MiB) Mean (MiB) Std Dev Max (OPs) Min (OPs) Mean (OPs) Std Dev Mean (s)
<br>
--------- --------- --------- ---------- ------- --------- --------- ---------- ------- --------<br>
write <strong>1720.80</strong> 1720.80 1720.80 0.00 1720.80 1720.80 1720.80 0.00 95.21174 EXCEL<br>
read <strong>1415.64</strong> 1415.64 1415.64 0.00 1415.64 1415.64 1415.64 0.00 115.73604 EXCEL</div>
<div dir="ltr">Max Write: 1720.80 MiB/sec (1804.39 MB/sec)<br>
Max Read: 1415.64 MiB/sec (1484.40 MB/sec)</div>
<div dir="ltr">Run finished: Tue Oct 19 09:30:34 2010<br>
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<div dir="ltr"><font size="2" face="tahoma"></font> </div>
<div dir="ltr"><font size="2" face="tahoma">Why <strong>read </strong>< <strong>write</strong> ? It's normal for GlusterFS ?
</font></div>
<div dir="ltr"><font size="2" face="tahoma"></font> </div>
<div dir="ltr"><font size="2" face="tahoma">best regards</font></div>
<div dir="ltr"><font size="2" face="tahoma">Aleksandr</font></div>
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</font></div>
<div><font size="2" face="Tahoma">С уважением,<br>
Алексанян Александр<br>
ОАО "Т-Платформы"<br>
Тел: +7(495)744-0980 (1434)</font></div>
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