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Exam EX200 topic 1 question 81 discussion

Actual exam question from RedHat's EX200
Question #: 81
Topic #: 1
[All EX200 Questions]

SIMULATION -
There is a local logical volumes in your system, named with shrink and belong to VGSRV volume group, mount to the /shrink directory. The definition of size is 320
MB.
Requirement:
Reduce the logical volume to 220 MB without any loss of data. The size is allowed between 200-260 MB after reducing.

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Suggested Answer: See explanation below.
cd;umount /shrink
e2fsck -f /dev/mapper/vgsrv-shrink
resize2fs /dev/mapper/vgsrv-shrink 220M
lvreduce -L 220M /dev/mapper/vgsrv-shrink
mount -a
by sovafal192 at Sept. 18, 2022, 6:31 p.m.

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sovafal192
3 months, 4 weeks ago
alternate solution, because of the possbile data loss if the data exchange is a little bit different between lvexreduce and resize2fs. umount /shrink e2fsck -f /dev/mapper/vgsrv-shrink ####* Shrink the file system as small as possible resize2fs -M /dev/mapper/vgsrv-shrink lvreduce -L 220M /dev/mapper/vgsrv-shrink ####* extend the file system to the max device size resize2fs /dev/mapper/vgsrv-shrink mount -a
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