Hello @anok4u2
Thank you for your feedback.
The problem you are referring to is related to server limitations. An inode is a data structure that keeps the information about a file on your hosting account. The number of inodes indicates the number of files and folders you have. This includes everything on your account, emails, files, folders, and anything you store on the server.
This being said, depending on your website and how many pages it has, you were caching everything to disk. Meaning all Page Cache files, minified files, DB cache, and object Cache files are stored on Disk.
The solution for this is either to regularly manually delete the /wp-content/cache/ folder or to use a memory-based caching method like Redis or Memcached for the W3 Total Cache settings like Page Cache, Object Cache, or Database Cache.
This being said, it’s not recommended to use Disk as a caching method for Database Cache or Object Cache.
I hope this helps!
Thanks!