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Апр

Увеличение размера раздела ubuntu—vg-ubuntu—lv

При установке использовали автоматическую разметку диска. После входа в консоль, обнаружилось, что мне доступно только 100 GB из 500GB SSD диска. А где же оставшиеся 400 GB? Оказалось, что они есть, вот только не присоединены к разделу. Благо я в Ubuntu использую LVM.

Лечение (естественно, от root).

Находим нужный раздел диска:
Команда df -hT

[email protected]:/home/ivan# df -hT
Filesystem                        Type      Size  Used Avail Use% Mounted on
udev                              devtmpfs   24G     0   24G   0% /dev
tmpfs                             tmpfs     4,8G  1,7M  4,8G   1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv ext4       98G   22G   72G  24% /
tmpfs                             tmpfs      24G     0   24G   0% /dev/shm
tmpfs                             tmpfs     5,0M     0  5,0M   0% /run/lock
tmpfs                             tmpfs      24G     0   24G   0% /sys/fs/cgroup
/dev/nvme0n1p2                    ext4      1,5G  110M  1,3G   8% /boot
/dev/loop0                        squashfs   62M   62M     0 100% /snap/core20/1328
/dev/loop1                        squashfs   44M   44M     0 100% /snap/snapd/14978
/dev/loop2                        squashfs   68M   68M     0 100% /snap/lxd/21835
/dev/loop3                        squashfs   44M   44M     0 100% /snap/snapd/15177
/dev/loop4                        squashfs   62M   62M     0 100% /snap/core20/1405
/dev/loop5                        squashfs   68M   68M     0 100% /snap/lxd/22753
tmpfs                             tmpfs     4,8G     0  4,8G   0% /run/user/1000

Наш раздел:
/dev/mapper/ubuntu—vg-ubuntu—lv ext4 98G 22G 72G 24% /

Чиним. Увеличиваем раздел до 100% диска:
lvextend -l +100%FREE /dev/mapper/ubuntu—vg-ubuntu—lv

[email protected]:/home/ivan# lvextend -l +100%FREE /dev/mapper/ubuntu--vg-ubuntu--lv
  Size of logical volume ubuntu-vg/ubuntu-lv changed from 100,00 GiB (25600 extents) to <464,26 GiB (118850 extents).
  Logical volume ubuntu-vg/ubuntu-lv successfully resized.

Отдаём пространство под файловую систему:
resize2fs /dev/mapper/ubuntu—vg-ubuntu—lv

[email protected]:/home/ivan# resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
resize2fs 1.45.5 (07-Jan-2020)
Filesystem at /dev/mapper/ubuntu--vg-ubuntu--lv is mounted on /; on-line resizing required
old_desc_blocks = 13, new_desc_blocks = 59
The filesystem on /dev/mapper/ubuntu--vg-ubuntu--lv is now 121702400 (4k) blocks long.

Проверяем:
df -h

[email protected]:/home/ivan# df -h
Filesystem                         Size  Used Avail Use% Mounted on
udev                                24G     0   24G   0% /dev
tmpfs                              4,8G  1,7M  4,8G   1% /run
/dev/mapper/ubuntu--vg-ubuntu--lv  457G   22G  416G   5% /
tmpfs                               24G     0   24G   0% /dev/shm
tmpfs                              5,0M     0  5,0M   0% /run/lock
tmpfs                               24G     0   24G   0% /sys/fs/cgroup
/dev/nvme0n1p2                     1,5G  110M  1,3G   8% /boot
/dev/loop0                          62M   62M     0 100% /snap/core20/1328
/dev/loop1                          44M   44M     0 100% /snap/snapd/14978
/dev/loop2                          68M   68M     0 100% /snap/lxd/21835
/dev/loop3                          44M   44M     0 100% /snap/snapd/15177
/dev/loop4                          62M   62M     0 100% /snap/core20/1405
/dev/loop5                          68M   68M     0 100% /snap/lxd/22753
tmpfs                              4,8G     0  4,8G   0% /run/user/1000

Как видим, /dev/mapper/ubuntu—vg-ubuntu—lv стал 457G

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