List Archive: gentoo-cluster
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t35t0r wrote:
<blockquote
cite="mid:6b75ae110901080904o9ee880bk561fa8c7110df401@..."
type="cite">
<pre wrap="">Not on gentoo but on RHEL. </pre>
</blockquote>
I see nothing that is RHEL specific below...<br>
<blockquote
cite="mid:6b75ae110901080904o9ee880bk561fa8c7110df401@..."
type="cite">
<pre wrap="">Run this script on master host. It will run
iozone for small to large file sizes (up to 1G).
---- cut ----
#!/bin/sh
# full path to iozone executable
iozoneExec="/home/somewhere/bin/iozone"
# full path to the host file
hostFile="/home/somewhere/iozoneHostsAwesomeFS.txt"
# the number of hosts in the host file
numHosts="16"
# the record size or block size to use in all transfers
recordSize="32k"
# the file output prefix (the final file name will be
${filePrefix}-${recordSize}:${fs}k.xls or .out depending on whether it
is the excel file or log file, where ${fs} is the file size for the
transfer in KB (incrementally generated by the loop)).
filePrefix="cluster-awesomeFS"
# file sizes from 32k to 1g increasing by powers of 2
export rsh="ssh"
export RSH="ssh"
for ((i=5;i<=20;i+=1)); do
fs=$((2**$i))
$iozoneExec -RcTM -t $numHosts -b
${filePrefix}-${recordSize}:${fs}k.xls -r $recordSize -s ${fs}k -+m
$hostFile > ${filePrefix}-${recordSize}:${fs}k.out
done
---- cut ----
---- cut ----
sample hosts file:
# hostname directoryForTestFiles pathToIozoneOnEachHost
node1 /net/NAS/awesomeFS /home/somewhere/bin/iozone
node2 /net/NAS/awesomeFS /home/somewhere/bin/iozone
node3 /net/NAS/awesomeFS /home/somewhere/bin/iozone
---- cut ----
On Thu, Jan 8, 2009 at 9:12 AM, Chuanwen Wu <a class="moz-txt-link-rfc2396E" href="mailto:wcw8410@..."><wcw8410@...></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Hi,
I am trying to use iozone to test my cluster with ssh but not rsh, but
I still can't running iozone on multiple nodes.
</pre>
</blockquote>
<pre wrap=""><!---->
</pre>
</blockquote>
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