[转载代码] [PowerShell每日技巧]查看硬盘使用率较低的分区(20140313)

DAIC

WMI can retrieve information about drives easily. This will get you the drive information for your local machine (use -ComputerName to access a remote system):

Get-WmiObject -Class Win32_LogicalDisk
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To limit the results to only hard drives, and only those hard drives that have less than a given amount of free space, try this:

$limit = 80GB
Get-WmiObject -Class Win32_LogicalDisk -Filter "DriveType=3 and Freespace<$limit" | Select-Object -Property VolumeName, Freespace, DeviceID
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http://powershell.com/cs/blogs/tips/archive/2014/03/13/finding-hard-drives-running-low-on-storage.aspx