A Linux administrator needs to view detailed information about a specific LVM volume group named 'datavg'. The required information includes the total size of the volume group, the physical extent size, and the number of current logical volumes. Which of the following commands will display this detailed, multi-line output for the 'datavg' volume group?
The correct command is vgdisplay datavg. The vgdisplay command is used to present comprehensive, multi-line information about volume groups. This output includes details like the VG name, size, physical extent (PE) size, total/allocated/free PEs, and the current count of logical volumes (LVs) and physical volumes (PVs).
vgs datavg provides a compact, single-line summary of the volume group, which is less detailed than the output of vgdisplay.
vgscan --verbose scans all block devices for volume groups and rebuilds the LVM cache; it does not display detailed attributes for a specific, single volume group.
pvdisplay is used to show detailed information about physical volumes (PVs), not volume groups (VGs).
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CompTIA Linux+ XK0-006 (V8)
System Management
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