Is MD array (containing a PV) reducible?

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Hi.

Just hoping to get a sanity check here.  I have a PV on an mdadm raid
array.  the PV's size is:

  PV Size               3.64 TiB / not usable 2.84 MiB
  Allocatable           yes 
  PE Size               4.00 MiB
  Total PE              953829
  Free PE               35813
  Allocated PE          918016

The mdadm array's size is:
        Array Size : 3,906,887,512 (3.64 TiB 4.00 TB)
     Used Dev Size : 3,906,887,512 (3.64 TiB 4.00 TB)

I can shrink this array down to 3,906,886,464 without impacting the PV
(and it's contents) correct?

From my calculations there is 4,022,272 bytes of unused space after the
PV to the end of the array so shrinking it by 1,073,152 shouldn't have
any impact, correct?

Cheers,
b.

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