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EC2のディスク拡張作業の備忘録

Last updated at Posted at 2021-12-16

ちょいちょい忘れがちなので備忘録として。

ghqでリポジトリ追加したらディスク容量がいっぱいになった

$ ghq get hogefuga

~

remote: Enumerating objects: 5315, done.
remote: Counting objects: 100% (2349/2349), done.
remote: Compressing objects: 100% (967/967), done.
remote: Total 5315 (delta 1165), reused 1954 (delta 882), pack-reused 2966
Receiving objects: 100% (5315/5315), 40.70 MiB | 12.12 MiB/s, done.
Resolving deltas: 100% (2497/2497), done.
fatal: cannot create directory at 'xxxxxxxxxx': No space left on device
warning: Clone succeeded, but checkout failed.

error failed to get "https://github.com/xxx/xxxxxxxx.git": /usr/local/bin/git: exit status 128

ディスク拡張しましょうか。

現状確認

$ df -h
Filesystem      Size  Used Avail Use% Mounted on
~
/dev/nvme0n1p1  7.7G  7.7G     0 100% /
~

AWSコンソールで該当インスタンスのEBSボリュームの容量を変更してから、
パーティション拡張する

拡張した容量「8GB→30GB」が認識できているか確認

$ lsblk
NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
~
nvme0n1     259:1    0   30G  0 disk
└─nvme0n1p1 259:2    0    8G  0 part /

拡張したディスク容量は認識できていて、パ-ティションが8GB

パーティション拡張する

sudo growpart /dev/nvme0n1 1

確認

$ lsblk
NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
~
nvme0n1     259:0    0   30G  0 disk
└─nvme0n1p1 259:1    0   30G  0 part /

resize2fs コマンドで、「/dev/nvme0n1p1」のサイズをボリュームの上限まで自動的に拡張

$ sudo resize2fs /dev/nvme0n1p1
resize2fs 1.42.13 (17-May-2015)
Filesystem at /dev/nvme0n1p1 is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 2
The filesystem on /dev/nvme0n1p1 is now 7864059 (4k) blocks long.

確認

$ df -h
Filesystem      Size  Used Avail Use% Mounted on
~
/dev/nvme0n1p1   30G  7.7G   22G  27% /
~

OK

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