On S2D Clusters, here is a small code snippet that I find useful to see how Virtual Disk repairs are going after rebooting a node or replacing a disk. It will also attempt to estimate the remaining time left (shout-out to Russell Workman for that addition):
Category: S2D
VM Storage Performance
On S2D Clusters, here is a one-line PowerShell that I find useful to see which node is seeing the highest IOPS: