Some EMC device name is not displayed by `sar -dp` command
Issue
-
sar -dcommand is able to display all devices. But while runningsar -dpcommand, some EMC device names are not displayed.For example:
$ sar -d | grep "dev120-400 output: 12:01:01 AM dev120-400 44.73 4.78 161.40 3.71 0.01 0.13 0.13 0.58 12:02:01 AM dev120-400 42.03 0.40 136.11 3.25 0.00 0.12 0.11 0.48 12:03:01 AM dev120-400 39.62 5.06 137.99 3.61 0.01 0.13 0.12 0.49 12:04:01 AM dev120-400 44.62 2.66 167.97 3.82 0.01 0.14 0.13 0.60 12:05:01 AM dev120-400 49.70 4.91 187.83 3.88 0.01 0.12 0.12 0.59 12:06:02 AM dev120-400 59.62 0.40 226.84 3.81 0.01 0.13 0.12 0.74According to
ls -l /dev/output:120:400 -> ../emcpowerzBut the
sar -dpcommand does not show above device in its output:$ sar -dp | grep emcpowerz No output.
Environment
- Red Hat Enterprise Linux 6
- EMC PowerPath
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