Critical warning about inode usage

In the munin report I’m seeing a critical warning about inode usage being 99.5% - any idea if this is a big problem. So far I’m not seeing any symptoms

(Apart, that is, from the return of an old problem with downloads disappearing. I can’t remember how I solved this last time, but I don’t think it had anything to do with inodes.)


Is this on a newly installed system or are you on ubuntu 14.04 or 18.04.

The error means, your disk is almost full (but not physically).

You can verify your node usage with ‘df -i’
in my case:

/dev/mapper/box--vg-root 9773056 662340 9110716 7% /

The cause is a lot of small files, which is quite common for a mailserver.

the other question is: on with disk is this caused. The datadisk of the mailserver or “something” else.

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It’s Ubuntu 14.04.5 LTS. The system’s been running a couple of years

root@box:~# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
udev 58079 387 57692 1% /dev
tmpfs 62518 378 62140 1% /run
/dev/vda1 1305600 1298945 6655 100% /
none 62518 2 62516 1% /sys/fs/cgroup
none 62518 1 62517 1% /run/lock
none 62518 1 62517 1% /run/shm
none 62518 2 62516 1% /run/user

That’s a serious problem; you have to look in how to increase inodes, but this could be a problem.

Maybe the most simple step is just upgrade

If you are going to try something, verify you have a good snapshot/backup