Setup: A Windows cluster who was added a new SAN disk.

Problem: Sometimes you need to scan each node for new disks in order to be able to add the disk in the cluster.


$cluNode = "Node1"  # enter the name of one node of the cluster
write-host Rescan all nodes for new disks
$allnodes = gwmi -ComputerName $cluNode MSCluster_node -Namespace "root\MSCluster" -Authentication PacketPrivacy -Impersonation Impersonate | select name
$allnodes|%{Invoke-Command  -computername $  -scriptblock { & echo "rescan" | diskpart | out-null }}

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