Why ESXi Datastore becomes missing after XCubeSAN firmware upgrade?
This might be caused by the ESXi known issue after replacing SAN hardware, firmware upgrades, SAN replication, DR tests, and some HBA firmware upgrades. You can refer the below ESXi article to solve this situation.
https://kb.vmware.com/s/article/1011387
All XCubeSAN/FAS series model
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