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(This logical volume has been mounted in advance.)

CORRECT TEXT
Change the logical volume capacity named vo from 190M to 300M. and the size of the floating range should set
between 280 and 320. (This logical volume has been mounted in advance.)

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A.
# fsck -f /dev/vg2/lv2

B.
# resize2fs -f /dev/vg2/lv2 100M

C.
# lvreduce -L 100M /dev/vg2/lv2

D.
# e2fsck -f /dev/vg1/lvm02

Explanation:
# vgdisplay
(Check the capacity of vg, if the capacity is not enough, need to create pv , vgextend , lvextend) # lvdisplay
(Check lv)
# lvextend -L +110M /dev/vg2/lv2
# resize2fs /dev/vg2/lv2
mount -a
(Verify)
——————————————————————————- (Decrease lvm) # umount /media
# fsck -f /dev/vg2/lv2
# resize2fs -f /dev/vg2/lv2 100M
# lvreduce -L 100M /dev/vg2/lv2
# mount -a
# lvdisplay (Verify)
OR
# e2fsck -f /dev/vg1/lvm02
# resize2fs -f /dev/vg1/lvm02
# mount /dev/vg1/lvm01 /mnt# lvreduce -L 1G -n /dev/vg1/lvm02
# lvdisplay (Verify)


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