Some problems about iSCSI initiator 2.1.0

"謝志昌(Chih-Chang Hsieh)" cch at kmu.edu.tw
Mon Jun 1 03:36:36 UTC 2009


Dear Andrew,

Thank you for your advice.

We have re-done the tests by

dd if=/dev/zero of=${iSCSI_TARGET_DIR}/bigf bs=1024k count=1000

But it does not make big differences.

The iSCSI target da2 is still much steady than da0 and da1.

The new results are at http://free.cc.kmu.edu.tw/iscsi/iotest.txt

Original results with /dev/random are now at 
http://free.cc.kmu.edu.tw/iscsi/iotest-random.txt


Andrew Snow wrote:
>> Our tests are dd if=/dev/random of=${iSCSI_TARGET_DIR}/bigf bs=1024k 
>> count=1000
>
> Try using /dev/zero instead of /dev/random, which causes excessive CPU 
> load on the initiator which affects the results.
>
>
> - Andrew


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