Re: [gentoo-cluster] Iozone on multiple nodes using ssh

[Eric Thibodeau]

t35t0r wrote:
> Not on gentoo but on RHEL.
I see nothing that is RHEL specific below...
> 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 <wcw8410@×××××.com> wrote:
>
>> 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.
>>
>
>