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Created January 25, 2024 22:29
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LVM tips&tricks
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LVM HowTo.md

LVM HowTos

Fix 'PV header' LVM Warning

Sometimes the following warning may appear during usage of pvs, 'vgs, lvs utils:

WARNING: PV /dev/vdb in VG vg_test is using an old PV header, modify the VG to update.

To fix it update volume metadata:

vgck --updatemetadata vg_test

Extend LVM

Check free sectors

vgdisplay

For example, the result os 4607.

Extend volume using free sectors number:

lvextend -l +4607 /dev/vg_tech/LogVol01
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