🖥️lvextend

➡️This is a command-line reference manual for commands and command combinations that you don’t use often enough to remember it. This cheatsheet explains the lvextend command with important options and switches using examples.

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# lvextend
# Extends a logical volume in an existing volume group.
# A volume group is a collection of logical and physical volumes.

# Extend volume in volume mylv in groug vg0
# (defined by volume path /dev/vg0/mylv)
# to 12 gigabyte:
lvextend -L 12G /dev/vg0/mylv

# Extend volume in volume mylv in groug vg0
# (defined by volume path /dev/vg0/mylv)
# by 1 gigabyte:
lvextend -L +1G /dev/vg0/mylv

# Extend volume in volume mylv in groug vg0
# (defined by volume path /dev/vg0/mylv)
# to use all of the unallocated space in the volume group vg0:
lvextend -L +100%FREE /dev/vg0/mylv

# Extend ext4 filesystem after changing a logical volume
# (takes volume path as parameter):
ext2resize /dev/vg0/mylv

# Extend btrfs filesystem after changing a logical volume
# (takes the mount point as parameter, not the volume path):
btrfs filesystem resize max /mylv

# Extend xfs filesystem after changing a logical volume
# (takes the mount point as parameter, not the volume path):
xfs_growfs /mylv

# Extend jfs filesystem after changing a logical volume
# (takes the mount point as parameter, not the volume path);
# Just remount:
mount -o remount,resize /home

Cheatsheets are an excellent complement to other information sources like Linux man-pages, Linux help, or How-To’s and tutorials, as they provide compact and easily accessible information. While man-pages and detailed tutorials often contain comprehensive explanations and extensive guides, cheatsheets summarize the most important options forthe command lvextend in a clear format. This allows users to quickly access the needed information for lvextend without having to sift through lengthy texts. Especially in stressful situations or for recurring tasks, cheatsheets for lvextend are a valuable resource to work efficiently and purposefully.

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