Reduce / LV (ex. /dev/VolGroup00/LogVol00)

1. Boot to systemrescue cd
2. vgscan
3. vgdisplay
4. vgchange -ay VolGroup00
5. e2fsck -f /dev/VolGroup00/LogVol00
6. resize2fs /dev/VolGroup00/LogVol00 xxG
Note: “xxG” is the size in Gigabyte the FS is being reduced to.

7. Repeat step #5
8. lvreduce -LxxG /dev/VolGroup00/LogVol00
Note: “-LxxG” is the same value as xxG in step #6 in this case.

9. Repeat step #5
10. Remove CD and reboot
11. vgdisplay -v | less
12. vgs
13. lvs
14. Create new LV’s to re-use space

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