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Wednesday, April 17, 2019

In a virtual environment that includes a SAN and VMware ESXI 5.0 or later, which of these steps would you perform last (before re-scanning storage adapters) when removing a storage LUN?

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In a virtual environment that includes a SAN and VMware ESXI 5.0 or later, which of these steps would you perform last (before re-scanning storage adapters) when removing a storage LUN?

  • Verify that the LUN is no longer used for storing VMs, templates, HA heartbeats, etc.
  • Detach LUN in VMware client
  • Disconnect LUN in SAN interface
  • Unmount datastore  [Partially Correct Please share your answers on commnet box]


EXPLANATION

Removing a LUN in ESXi/ESX 4.x is complex. Improvements are made in ESXi 5.0 and later to streamline the procedure to make it easier for Administrators to remove LUNs.
 

Unmounting a LUN checklist

Before unmounting a LUN, ensure that:
  • If the LUN is being used as a VMFS datastore, all objects, (such as virtual machines, snapshots, and templates) stored on the VMFS datastore are unregistered or moved to another datastore.

    Note: All CD/DVD images located on the VMFS datastore must also be unregistered from the virtual machines.
     
  • The datastore is not used for vSphere HA heartbeat.
  • The datastore is not part of a datastore cluster.

  SOURCE

 https://kb.vmware.com/s/article/2004605

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