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RHCSA Study Questions Questions and Answers (100% Pass)
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List the order of the layers involved in the LVM architecture 1. Physical Volume(PV) 2. Volume Group(VG) 3. Logical Volume(LV) What do you need to do before you create a physical volume? You need to create a partition marked as the LVM partition type. In fdisk or gdisk you need to press t ...

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  • October 12, 2024
  • 70
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • rhcsa study questions questions and answers 100
  • list the order of the layers involved in the lvm a

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1 | P a g e | © copyright 2024/2025 | Grade A+




RHCSA Study Questions Questions
and Answers (100% Pass)
List the order of the layers involved in the LVM architecture


✓ 1. Physical Volume(PV)

2. Volume Group(VG)


3. Logical Volume(LV)




What do you need to do before you create a physical volume?


✓ You need to create a partition marked as the LVM partition type. In

fdisk or gdisk you need to press t to change the partition type. MBR disk

is 8e, GUID is 8300




What command verifies the physical volumes that were created?


✓ pvs




What command shows details about the physical volume?


✓ pvdisplay




What command gives a hierarchical overview of which disks and partitions

are in the LVM volume groups and logical volumes?

Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ lsblk




How do you create a volume of the first partition of the the sdb disk? You

want to call the volume vgdata.


✓ vgcreate vgdata /dev/sdb1




Give the two commands that will allow you to see the volume group


✓ vgs - Shows a summary of available volume groups

vgdisplay - Shows a detailed list of volume groups and their properties




Show the command you would use to create a logical volume of half the

physical volume vgdata. Name the logical volume lvvol01


✓ lvcreate -n lvvol01 -l 50%FREE vgdata




Show the command you would use to remove the logical volume lvvol01.

That logical volume resides in the physical volume vgdata.


✓ lvremove /dev/vgdata/lvvol01




Show the command you would use to create a logical volume of 500

megabyte in the physical volume vgdata. Name the logical volume lvvol01




Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ lvcreate -n lvvol01 -L 500M vgdata




Show the commands you would use to show the logical volumes


✓ lvs - Shows a summary of all available logical volumes

lvdisplay - Shows a detailed list of available logical volumes and their

properties




What would the name of the LV called lvvol01 in the Physical Volume vgdata

be called the the device mapper name?


✓ /dev/mapper/vgdata-lvvol01




If you want to make an XFS file system out of the logical volume lvvol01 in the

PV vgdata, what is the command?


✓ mkfs.xfs /dev/vgdata/lvvol01




If you want to make an EXT4 file system out of the logical volume lvvol01 in

the PV vgdata, what is the command?


✓ mkfs.ext4 /dev/vgdata/lvvol01




What file systems can only be increased and what file systems can be

increased and reduced?

Master01 | October, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

✓ XFS - can only be increased

EXT4 - can be increased and decreased


Btrfs - can be increased and decreased




If you are going to reduce an EXT4 file system, what state must it be in?


✓ You can only reduce the volume when it is offline




I want to add 250 megabytes to the file system /dev/vgdata/lvvol01. Show

the command


✓ lvresize -L +250M -r /dev/vgdata/lvvol01




I want to reduce the EXT4 file system by 250 megabytes. The LV is lvvol01, VG

is vgdata and the mount point is /files


✓ 1. umount /files

2. lvreduce -L -250M -r /dev/vgdata/lvvol01




I want to resize the LV to 75 percent of the Volume group. The LV is lvvol01,

VG is vgdata and the mount point is /files


✓ lvresize -r -l 75%VG /dev/vgdata/lvvol01




Master01 | October, 2024/2025 | Latest update

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