Error in deleting old VMFS datastore after installing new ESXi with the same name as old ESXi

[AlbertWT]

Hi All,

When I finished reinstalling my ESXi 4 u1 on my USB, the old ServerName_VMFS still there and I cannot right-click and delete it, here is the error message:

The resource vim.host.DatastoreSystem <oldVMFSName> is in use.

I've refresh and rescan mutiple times and restart the host but no avail 😐

Kind Regards,

AWT

[AlbertWT]

Here are the contents of the Datastore from Datastore browser.

Strangely it shows 1.33 TB, OK I've reinstalled my ESXi Server and now i have 2.33 TB RAID-5 LUN which is I prepared for the Local ESXi Datastore.

If the format process success how come this datastore cannot be deleted and only showing 1.33 TB ?

Kind Regards,

AWT