disk_inode_usage
OS: Linux, FreeBSD
This alert presents the percentage of used inodes
storage of a particular disk.
The number of
inodes
indicates the number of files and folders you have. Aninode
is a data structure,
containing metadata about a file. All filenames are internally mapped to respectiveinode
numbers, so if you have a lot of files, it means there are a lot ofinodes
1
If the alert is raised, it means that your storage device is running out of inode
space. Each disk has a particular limitation on the amount of inodes
it can store, determined by its size.
Many modern filesystems use dynamically allocated
inodes
instead of a static table. These should not be presented on the charts associated with this alert, and should not ever trigger it. If such a filesystem does trigger this alert, and it’s constantly reporting maxinode
usage, it’s probably a bug in the filesystem driver.Some such filesystems incorrectly report having max
inode
count when they should not because they have no max limit, and in turn they trigger a false positive alert.
References and Sources
Troubleshooting Section
Clear cache files or delete unnecessary files and folders
- To reduce the amount of how many
inodes
you store currently, you can clear your cache, trash any unnecessary files and folders in your system.
Note: Netdata strongly suggests that you practice a high degree of caution when cleaning up drives, and removing files, make sure that you are certain that you delete only unnecessary files.