Which three statements are true about the Oracle Linux Logical Volume Manager (LVM)?
A.
LVM supports simple, striped, mirrored, and RAID-5 Logical Volumes (LVs).
B.
A Physical Volume (PV) can be created on a disk or a disk partition.
C.
A Physical Volume (PV) can only be created on a disk partition.
D.
A Physical Volume (PV) can be resized.
E.
A Volume Group (VB) can be split into multiple Volume Groups.
F.
An LVM snapshot is read-only.
Explanation:
B, D, E
B, D, E
from man page lvm
pvcreate — Initialize a disk or partition for use by LVM.–> B
pvresize — Resize a disk or partition in use by LVM2 –> D
vgsplit — Split a Volume Group into two, moving any logical
volumes from one Volume Group to another by moving entire Physical Volumes.–> E
Correct answers are B,D,E
The man page for lvcreate on OEL 6 shows “–type=raid5” and “–type=raid10” examples. LVM’s software RAID capabilities were added after 6’s initial release.
BDE:
B:
http://www.tldp.org/HOWTO/LVM-HOWTO/multpartitions.html
D:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/4/html/Cluster_Logical_Volume_Manager/PV_resize.html
E:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/4/html/Cluster_Logical_Volume_Manager/vol_splitting_ex3.html