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 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. >> > >