Zero or Dead space reclaim on ESXi Host for EMC Storage

Note: enable ssh on ESXi Host & login to root via Putty & execute below commands.
1. List all connected volumes/datastores/LUNs in ESXi host
>> cd /vmfs/volumes/
>> ls
copy the list of volumes in separate notepad


2. CMD to run the reclaim manually on individual LUN(or)datastore
cd /vmfs/volumes/<DatastoreName>
//then execute below cmd to reclaim dead space (value can be range from 0 upto 99)
vmkfstools -y 70
vmkfstools -y 90
(why i run 2 times is, just to avoid datastore hangs and its one of the recommended best practice).

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