I like
one liners where you don’t need a PowerShell script/PS1 file. It might be a bit
of a cheat using semi-colons, but you can still paste it into your PowerShell and
run it as a one liner.
This one
liner can be used to test availability of a CIFS share. Change the path variable as
required.
while($TRUE){$T1 = Get-Date; $P = Test-Path
"\\192.168.0.120\vol1"; $T2 = Get-Date; $TS = (New-TimeSpan -Start
$T1 -End $T2).Seconds; If($TS -gt 1){"DOWN for $TS seconds" >>
log.txt}; $D = Get-Date -uformat %Y%m%d; $T = Get-Date -uFormat %T; "$D $T
$P" >> log.txt; sleep 1}
It will
run until you Ctrl+C to exit. This is what it does:
- Gets a
time T1
- Tests
the path to the CIFS share (Test-Path has a long timeout)
- Gets a
time T2
- If T2 minus
T1 is greater than 1 second we log “DOWN for $TS seconds”
-
Finally, we log a formatted date with the result of Test-Path
- Sleep for 1 second and repeat
- Sleep for 1 second and repeat
Image: Screenshot of the log showing DOWN
caused by intentionally downing the data LIF (IP) in NetApp ONTAP clustershell
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