PowerShell/scripts/check-drives.ps1
2024-10-01 15:11:03 +02:00

60 lines
1.9 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Checks the drive space
.DESCRIPTION
This PowerShell script queries the free space of all drives and prints it.
.PARAMETER minLevel
Specifies the minimum warning level (10GB by default)
.EXAMPLE
PS> ./check-drives.ps1
✅ Drive C: uses 489GB (53%) of 930GB, D: uses 3TB (87%) of 4TB, E: is empty
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([int64]$minLevel = 10GB)
function Bytes2String { param([int64]$bytes)
if ($bytes -lt 1KB) { return "$bytes bytes" }
if ($bytes -lt 1MB) { return '{0:N0}KB' -f ($bytes / 1KB) }
if ($bytes -lt 1GB) { return '{0:N0}MB' -f ($bytes / 1MB) }
if ($bytes -lt 1TB) { return '{0:N0}GB' -f ($bytes / 1GB) }
if ($bytes -lt 1PB) { return '{0:N0}TB' -f ($bytes / 1TB) }
return '{0:N0}GB' -f ($bytes / 1PB)
}
try {
Write-Progress "Querying drives..."
$drives = Get-PSDrive -PSProvider FileSystem
Write-Progress -completed "Done."
$status = ""
$reply = "Drive "
foreach($drive in $drives) {
$details = (Get-PSDrive $drive.Name)
if ($IsLinux) { $name = $drive.Name } else { $name = $drive.Name + ":" }
[int64]$free = $details.Free
[int64]$used = $details.Used
[int64]$total = ($used + $free)
if ($reply -ne "Drive ") { $reply += ", " }
if ($total -eq 0) {
$reply += "$name is empty"
} elseif ($free -eq 0) {
$status = "⚠️"
$reply += "$name with ($(Bytes2String $total)) is FULL"
} elseif ($free -lt $minLevel) {
$status = "⚠️"
$reply += "$name is nearly full ($(Bytes2String $free) of $(Bytes2String $total) left)"
} else {
[int64]$percent = ($used * 100) / $total
$reply += "$name uses $(Bytes2String $used) ($percent%) of $(Bytes2String $total)"
}
}
Write-Host "$status $reply"
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}