Windows EC2インスタンス内のドライブレターとEBSボリュームIDの紐づきを表示するコマンド

Get-InstanceDrives.ps1

function Get-InstanceDrives () {
    foreach ($disk in Get-Disk) {
        # Get EBS volume ID
        #  * ref : https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-windows-volumes.html
        $SerialNumber = $disk.SerialNumber
        if ($SerialNumber -clike 'vol*') {
            $EbsVolumeId = $SerialNumber.Substring(0, 20).Replace("vol", "vol-")
        } else {
            $EbsVolumeId = $SerialNumber.Substring(0, 20).Replace("AWS", "AWS-")
        }
        # Get partitions with Drive letter
        foreach ($partion in (Get-Partition -DiskNumber $disk.Number -ErrorAction SilentlyContinue | Where-Object { $_.DriveLetter })) {
            # Get volume
            $volume = Get-Volume -DriveLetter $partion.DriveLetter
            # Output results
            [PSCustomObject]@{
                DiskNumber      = $disk.Number
                EBSVolumeId     = $EbsVolumeId
                FriendlyName    = $disk.FriendlyName
                PartitionNumber = $partion.PartitionNumber
                DirveLetter     = $partion.DriveLetter
                FileSystem      = $volume.FileSystem
                FileSystemLabel = $volume.FileSystemLabel
                Size            = $volume.Size
                SizeRemaining   = $volume.SizeRemaining
            }
        }
    }
}

実行例

単一EBSボリュームのWindows Server 2022 EC2インスタンスにSSM Session Managerで接続してコマンドを実行した場合。

PS C:\Windows\system32> Get-InstanceDrives | Format-Table

DiskNumber EBSVolumeId           FriendlyName          PartitionNumber DirveLetter FileSystem FileSystemLabel        Size SizeRemaining
---------- -----------           ------------          --------------- ----------- ---------- ---------------        ---- -------------
         0 vol-0xxxxxxxxxxxxxxxx NVMe Amazon Elastic B               1           C NTFS                       32210153472   14828048384