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Vivek Soni

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ESXi 6.5 runs ext3 or ext4?

There are limitations from different storage as to how big of a LUN can be allocated to ESXi as a datastore.

Mostly I’ve heard 2TB is the limitation with ext3. So just want to know what is used in ESXi 6.5 … ext 3 or 4?
Avatar of Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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I'm a little confused, the maximum lun size for ESXi 6.5 is 64 TB

see Page 13
Configuration Maximums vSphere 6.5

LUNs are formatted as VMFS.
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Vivek Soni

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Apparently, storage from certain vendors Support 2TB as max LUN size to be presented as 1 volume to ESXi. Someone mentioned that that’s a limitation with ext3 on ESXi but not with ext4. With ext4 you can allocate denser volume to ESXi.

Hence my question. No doubt ESXi can support 64TB as a single volume.
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Avatar of Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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So that would mean that any storage vendor can allocate multiple volumes of up to 64TB  to an ESXi 6.5 cluster, correct?

Also, can there be limitations regarding this subject matter from storage perspective?
yes, or one single volume (LUN) up to 64TB.

no limitations any more up to 64TB.