Pvcreate can't open /dev/xvda2 exclusively mounted filesystem

UNIX for Advanced & Expert Users
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I downloaded the oracle linux 6.7 from RHEL, I wanted to extend the storage for "/" from default 16GB to say 200GB. Here's the steps I tried is :

  1. Init 1
  2. Using �fdisk /dev/xvda� , delete the swap /dev/xvda3 as well as /dev/xvda2
  3. Re-create /dev/xvda2 with linux LVM using new end blocks
  4. save and exit,
  5. when I try to perform �pvcreate /dev/xvda2�, as there is a chance to re-extend the storage for /dev/xvda2, it fails with below exception:

pvcreate can't open /dev/xvda2 exclusively mounted filesystem

please advice the resolution. Your help is appreciated.

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