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Get-WMIobject

Posted on 2016-10-24
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I plan to run poweshell script to get free space on mount point disks. I may have to schedule this script to run at every five minutes to monitor the logs disks.
Will this cause any performance impact on server if it runs at every five minutes interval ?
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Question by:sara2000
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by:Qlemo
ID: 41858269
If you are not asking for any detail: no. free/used space for a partition is available immediately.
Asking for file sizes for specific files is ok. Getting the folder size is more demanding, as it requires to go thru all subfolders.
But do you really need to have 5 minute monitoring?
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by:sara2000
ID: 41858569
I am trying to monitor Exchange dbs and logs disk space (RDM LUN). If  the logs fills the lun then LUN will go offline (NetAPP LUNs) for that reason I would like to monitor it for every five minutes or an hour. I am going to run get-wmiobject remotely.
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Qlemo earned 2000 total points (awarded by participants)
ID: 41858626
Once each hour should be sufficient.
Whether you run WMI locally or remote doesn't matter (much), it is always executed on the target side.
As said, if you keep info on the disk/partitiion level (and knowing about free space is that level) there should be no issue:
(Get-WmiObject Win32_LogicalDisk -Computer ExchangeServer -Filter { DeviceID = 'D:' }).FreeSpace -lt 10GB

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