How do I check if my disk has grown

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I have a Linux on a VM.
Space has been added to the existing lun.
How do I see the growth and use the space with out a reboot.

[root@host ~]# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 rhel lvm2 a-- <49.00g 0
[root@host ~]# vgdisplay
--- Volume group ---
VG Name rhel
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 8
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 7
Open LV 7
Max PV 0
Cur PV 1
Act PV 1
VG Size <49.00 GiB
PE Size 4.00 MiB
Total PE 12543
Alloc PE / Size 12543 / <49.00 GiB
Free PE / Size 0 / 0
VG UUID weKK03-FukV-xR5i-NxMb-m7bd-rUgH-bfqeov

UA

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