what_happened_to_my_space
What happened to my space?
Not to be confused with Myspace, it just kind of died on the vine, it couldn't keep up with the competition and then they deleted almost ten years worth of info.
Also, see Expanding a Filesystem LVM2/XFS
Got a pile of Nagios warnings about running out of space on a MySQL server at work, simplest to expand the space;
# Status beforehand df -h # Filesystem Size Used Avail Use% Mounted on # devtmpfs 7.8G 0 7.8G 0% /dev # tmpfs 7.8G 0 7.8G 0% /dev/shm # tmpfs 7.8G 793M 7.0G 11% /run # tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup # /dev/mapper/almalinux-root 62G 47G 16G 76% / <<< Warning about free space at 25% available # /dev/sda1 1014M 258M 757M 26% /boot # /dev/mapper/almalinux-home 30G 246M 30G 1% /home <<< Plenty of space here! lsblk -fo name,fstype,mountpoint,size # NAME FSTYPE MOUNTPOINT SIZE # sda 100G # ├─sda1 xfs /boot 1G # └─sda2 LVM2_member 99G # ├─almalinux-root xfs / 61.2G # ├─almalinux-swap swap [SWAP] 7.9G # └─almalinux-home xfs /home 29.9G # sr0 1024M cd /tmp tar -czvf /tmp/HomeBackup.tgz /home/* umount /home lvreduce -L 10GB /dev/almalinux/home # -L is final size mkfs.xfs -f /dev/almalinux/home mount /home/ cd /home/ tar -xzvf /tmp/HomeBackup.tgz lvextend -l +100%FREE /dev/almalinux/root # -l is change in size xfs_growfs /dev/almalinux/root # Status afterward lsblk -fo name,fstype,mountpoint,size # NAME FSTYPE MOUNTPOINT SIZE # sda 100G # ├─sda1 xfs /boot 1G # └─sda2 LVM2_member 99G # ├─almalinux-root xfs / 81.1G # ├─almalinux-swap swap [SWAP] 7.9G # └─almalinux-home xfs /home 10G # sr0 1024M df -h # Filesystem Size Used Avail Use% Mounted on # devtmpfs 7.8G 0 7.8G 0% /dev # tmpfs 7.8G 0 7.8G 0% /dev/shm # tmpfs 7.8G 793M 7.0G 11% /run # tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup # /dev/mapper/almalinux-root 82G 47G 35G 58% / <<< No warnings now for a while! # /dev/sda1 1014M 258M 757M 26% /boot # /dev/mapper/almalinux-home 10G 105M 9.9G 2% /home
what_happened_to_my_space.txt · Last modified: by steve