K_Faisal
Enthusiast
Enthusiast

Increase or Extend DataStore Type

Dear All, Just Like to know how this is work.

When Extent/Increase a DataStore using a new Disk/LUN, what happens in the background, is it using Logical Volume using Stripe set 0 (LV Striping RAID 0)?

Thank You.
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sajal1
VMware Employee
VMware Employee

Hello K_Faisal,

It does not work in the stripping way. It is simply like concatenation.

http://pubs.vmware.com/vsphere-55/topic/com.vmware.ICbase/PDF/vsphere-esxi-vcenter-server-551-storag...

Page 144:

Dynamically add a new extent. The datastore can span over up to 32 extents with the size of each extent of more than 2TB, yet appear as a single volume. The spanned VMFS datastore can use any or all of its extents at any time. It does not need to fill up a particular extent before using the next one.

Saying above it does not do a stripping or the existing data is not distributed or load balanced among the added DISK/LUN

K_Faisal
Enthusiast
Enthusiast

Thanks for the Clarification.

Thank You.
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