1.3 Configure and manage storage using appropriate tools

Question 1

fdisk command

Answer 1

Used to create, modify, or delete partitions on a storage device.
-b{sector size} # of drive sectors
-H{heads} # of heads
-S{sectors} # of sectors per track
-s{partition} partition size in blocks

Question 2

parted command

Answer 2

Used to create, destroy, and resize partitions and runs the GNU Parted utility.
-select
-mkpart
-print
resizepart

Question 3

partprobe command

Answer 3

Used to update the kernel with changes that now exist within the partition table

Question 4

systemd.mount

Answer 4

Can be used to create a new mount unit to mount the file system.

Question 5

/etc/fstab

Answer 5

A system config file that contains info about various file systems and how the system should mount them during boot.

Question 6

mount

Answer 6

Loads a file system to a specified directory to make it accessible to users and applications.
-exec - allow binaries in file system to be executed
-ro mount fs as read only

Question 7

Linux Unified Key Setup (LUKS)

Answer 7

Used to encrypt storage devices in a Linux and can standardize the format of encrypted devices.

Question 8

XFS tools

Answer 8

xfs_info - dislay info about XFS
xfs_admin - change parameters about XFS
xfs_metadump - copy metadata of XFS to a file
xfs_growfs - expand the xfs to fill drive size
xfs_copy - copy contents of XFS to another file location
xfs_repair - repair and recover a corrupt XFS file system
xfs_db - debug XFS file system

Question 9

Ext4 tools

Answer 9

tune2fs
dumpe2fs

Question 10

Btrfs tools

Answer 10

I have no clue. lol

Question 11

df command

Answer 11

Displays info about the file system disk space usage n the mounted file system.
-h{human-readable}
-a{all}
-i{inode}

Question 12

du command

Answer 12

reports the amount of disk space used by the specified fields and for each subdirectory.
-c{total}
-a{all}
-b{bytes}
-D{deference-args}

Question 13

pvs command

Answer 13

Displays info about physical volumes.

Question 14

vgs command

Answer 14

Displays info about volume groups.

Question 15

lvs command

Answer 15

Displays info about logical volumes.

Question 16

lvchange command

Answer 16

Changes attributes of the volumes.

Question 17

lvcreate command

Answer 17

Creates logical volumes in a volume group.

Question 18

vgcreate command

Answer 18

Creates volume groups.

Question 19

lvresize command

Answer 19

Resizes logical volumes.

Question 20

pvcreate command

Answer 20

Initializes a drive or partition to use as a physical volume.

Question 21

vgextend command

Answer 21

Adds physical volumes to volume groups.

Question 22

mdadm tool

Answer 22

A tool used to create and manage software-based RAID arrays

Question 23

/proc/mdstat

Answer 23

Contains a snapshot of the kernel’s RAID/md state

Question 24

multipathd

Answer 24

Provides redundancy and improved performance for block storage. Configuration file: /etc/multipath.conf

Question 25

Network File system (NFS)

Answer 25

Used to provide access to directories stored on a server.

Question 26

SMB/CIFS

Answer 26

File sharing protocol

Question 27

lsscsi command

Answer 27

Used to list info about SCSI devices connected to a Linux system.

Question 28

lsblk command

Answer 28

Displays info about block storage devices currently available on the system.
-a{list empty devices}
-r{list devices excluding output devices}
-f{displays additional info}

Question 29

blkid command

Answer 29

Prints each block device in a flat format and includes some additional information.

Question 30

fcstat command

Answer 30

Interacts with and displays statistics of Fibre Channel connected devices.