Hi All,
I am setting the value for "read_bytes_sec" using the following API code
virDomainSetBlockIoTune(dom, "/mnt/tmpsdb/FileVM1", parainfoPtr, nparams, 2);
virDomainSetBlockIoTune(dom, "/mnt/tmpsdb/FileVM1", parainfoPtr, nparams, 2);
I am succesfully able to set this value and i can read it back using the API
virDomainGetBlockIoTune(dom,"/mnt/tmpsdb/FileVM1",parainfoPtr,&nparams,2);
virDomainGetBlockIoTune(dom,"/mnt/tmpsdb/FileVM1",parainfoPtr,&nparams,2);
But after setting this value when i shutdown my VM and start it again I am getting following error -
ibvirtError: internal error Process exited while reading console log output: qemu-system-x86_64: -drive file=/mnt/tmpsdb/FileVM1,if=none,id=drive-ide0-1-1,format=raw,bps_rd=1048576: Invalid parameter 'bps_rd'
ibvirtError: internal error Process exited while reading console log output: qemu-system-x86_64: -drive file=/mnt/tmpsdb/FileVM1,if=none,id=drive-ide0-1-1,format=raw,bps_rd=1048576: Invalid parameter 'bps_rd'
Note - when i see dumpxml of the VM following lines are got added after setting the iotunes for read_bytes_sec
<iotune>
<read_bytes_sec>1048576</read_bytes_sec>
</iotune>
<iotune>
<read_bytes_sec>1048576</read_bytes_sec>
</iotune>
Please help me. Also i wanted to know whether we can set block IO tune for a VM using the above API. Is it same as the IO throttling provided by cgroup?
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