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--- Comment #2 from Richard W.M. Jones <rjones(a)redhat.com> 2009-02-27 08:47:55 EDT
OK I had a look at this on my RHEL 5.3 machine and there
is a problem. 'virsh domblkstat' works, at least for PV
block devices (not for FV ones).
# virsh domblkstat F10PV64 xvda
xvda rd_req 3550
xvda rd_bytes 61593088
xvda wr_req 405
xvda wr_bytes 5040128
xvda errs 0
# virsh domblkstat RHEL39FV32 xvdb
xvdb rd_req 1
xvdb rd_bytes 4096
xvdb wr_req 0
xvdb wr_bytes 0
xvdb errs 0
# virsh domblkstat RHEL39FV32 hda
libvir: Xen error : this function is not supported by the hypervisor:
read_bd_stats: Frontend block device not connected
error: Failed to get block stats RHEL39FV32 hda
But virt-top still doesn't see them. I'll have to take a closer
look at the version of virt-top in EPEL to see what's wrong.
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