一般用 df
# df -i Filesystem Inodes Used Available Use% Mounted on /dev/root 3.6K 3.5K 66 98% / devtmpfs 23.6K 353 23.2K 1% /dev tmpfs 124.6K 1 124.6K 0% /dev/shm tmpfs 124.6K 384 124.2K 0% /run tmpfs 124.6K 6 124.6K 0% /sys/fs/cgroup tmpfs 124.6K 8 124.6K 0% /tmp tmpfs 124.6K 5 124.6K 0% /var/tmp /dev/mmcblk0p8 0 0 0 0% /data tmpfs 124.6K 4 124.6K 0% /run/user/0 # df Filesystem Size Used Available Use% Mounted on /dev/root 504.4M 422.5M 51.8M 89% / devtmpfs 94.2M 0 94.2M 0% /dev tmpfs 498.4M 0 498.4M 0% /dev/shm tmpfs 498.4M 268.0K 498.1M 0% /run tmpfs 498.4M 0 498.4M 0% /sys/fs/cgroup tmpfs 498.4M 4.0K 498.4M 0% /tmp tmpfs 498.4M 0 498.4M 0% /var/tmp /dev/mmcblk0p8 6.6G 1.0M 6.6G 0% /data tmpfs 99.7M 0 99.7M 0% /run/user/0像 df -i 中,/dev/root 已經用掉 98%,剩下 66 個 inode。
touch 66 個 file 後,inode 剩下 0
這時候,就算是 df 中 /dev/root 還有 50M 的空間,也沒辦法再 create 新檔了。
另外,..
du --inode folder也會列出 folder 內的inode 用量。
其中根目錄會列出subfolder 的inode 用量總和。
如果是慢慢漲起來的..可以用 find . 然後依照 file time sorting,找出新增的檔案...
find . -type f -name '*.kk' -printf "%T+ %p\n" | sort
一般embedded system 是在 rootfs 遭遇這個問題,rootfs 又是一個 block device,用 loopback 做出來。
可以用tune2fs 來看,不用真的 mount 起來..
$ tune2fs -l ext4 tune2fs 1.44.1 (24-Mar-2018) Filesystem volume name:Last mounted on: Filesystem UUID: a34e7a5d-cb27-4f62-bdce-3d68b3e55537 Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal dir_index extent Filesystem flags: signed_directory_hash Default mount options: (none) Filesystem state: clean Errors behavior: Unknown (continue) Filesystem OS type: Linux Inode count: 3712 Block count: 468226 Reserved block count: 23411 Free blocks: 29952 Free inodes: 129 First block: 1 Block size: 1024 Fragment size: 1024 Blocks per group: 8080 Fragments per group: 8080 Inodes per group: 64 Inode blocks per group: 8 Last mount time: n/a Last write time: Thu Oct 29 11:30:35 2020 Mount count: 0 Maximum mount count: -1 Last checked: Thu Oct 29 11:30:19 2020 Check interval: 0 ( ) Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 128 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: 0e89286e-5c9d-4f0c-9aad-37b2cd127b29 Journal backup: inode blocks
ref:
- How to Find and Sort Files Based on Modification Date and Time in Linux
- How can I use `find` and sort the results by mtime? [duplicate]
- NO SPACE LEFT ON DEVICE – RUNNING OUT OF INODES
- df與du輸出結果不同的原因研究
- Linux / Unix: Find Inode Of a File Command
- Detailed Understanding of Linux Inodes with Example
- How to find the inode size of an ext2/ext3/ext4 filesystem?
沒有留言:
張貼留言