The virtio device name "vdX" is not displayed by sar command

Solution Verified - Updated -

Issue

  • In the case the virtio is not specified in sysstat.ioconf, the device name of the virtio device is not displayed as "vdX" but displayed as "nodev" by sar command with '-d -p' options on guest. The virtio is not specified in sysstat.ioconf in the initial condition.
    09:26:28 AM       DEV       tps  rd_sec/s  wr_sec/s  avgrq-sz  avgqu-sz     await     svctm     %util
    09:26:28 AM     nodev      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
    09:26:28 AM     nodev      0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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