Linux Section 8.3 LVM

Which of the following commands initializes a physical volume?

• The pvcreate command initializes physical volumes for later use by the Logical Volume Manager

• The pvscan command scans all disks for physical volumes and displays the result

• The vgcreate command creates a new volume group

• The lvcreate command creates a new logical volume in a volume group

Which of the following commands creates a volume group named backup and initializes it by adding the third disk in a Linux system to the volume group?

• he vgcreate backup /dev/sdc command creates a volume group named backup on the third disk in the system

• vgcreate is a Logical Volume Manager (LVM) command that creates volume groups

• The pvcreate command initializes physical volumes for later use by the Logical Volume Manager

• The pvscan command scans all disks for physical volumes and displays the result

You are using LVM on your Linux system to manage the existing volumes.

What command do you enter to scan for logical volumes on the system?

• The lvscan command is a Logical Volume Manager (LVM) command that scans all known volume groups or all supported LVM block devices in the system for logical volumes

• Use lvremove to remove a logical volume from the system

You are using LVM on your Linux system to manage hard disk partitions.

What command do you enter to scan for physical volumes on the system?

• pvscan Scans all disks for physical volumes

• lvscan Scans all known volume groups in the system for logical volumes and displays the result

Which of the following commands creates a logical volume named video from the home volume group and configures it with 2 TB of disk space?

• The lvcreate -L 2T -n video home command creates a logical volume named video from the home volume group and configures it with 2 TB of disk space

• The lvcreate -L 2T -n home video command creates a logical volume named home from the video volume group and configures it with 2 TB of disk space.

Which of the following steps must be completed after creating a logical volumes so that the logical volume can be used to store files?

• Create file systems on the volumes and mount them.

• Scan for logical volumes and extend them

You have added a third hard disk to your Linux system.

What command would you use to initialize a physical volume on this disk for later use by the Logical Volume Manager?

• Enter pvcreate /dev/sdc to initialize a physical volume on the third hard disk

• vgcreate Creates a new volume group

Which of the following utilities is used to manage and monitor software RAID devices?

• mdadm is a utility used to manage and monitor software RAID devices

• /dev/mapper is the directory where logical volumes and RAIDs can be found

• lvscan scans all known volume groups in the system for logical volumes and displays the result