# Library not scanning automatically **URL:** \ **Category:** Metadata & Adding Files\ **Tags:** scanner-agent-dev\ **Created:** [March 14, 2021, 10:56am UTC](https://forums.plex.tv/t/library-not-scanning-automatically/700246 "2021-03-14T10:56:28Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![tom80H](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/tom80h/32/19753_2.png) [@tom80H](https://forums.plex.tv/u/tom80H)\ **Post date:** [March 14, 2021, 6:03pm UTC](https://forums.plex.tv/t/library-not-scanning-automatically/700246/2 "2021-03-14T18:03:37Z")
Is this about a Plex Media Server running on this Synology Disk Station or a Plex Media Server on a different platform (Linux, Windows, Mac), using the Synology NAS as its storage. If you’re not seeing automatic scans for the Syno Server detecting changes on the NAS itself, you might have exceeded the number of folders the DSM is monitoring. > [@Linux Tips](https://forums.plex.tv/t/linux-tips/276247/9): > > Increase the number of directories Linux can monitor (inotify) for PMS The default size of the Linux inotify table is 8192 directories (\*1). When PMS is configured to update automatically when media is added, with properly organized media, especially music, this table rapidly fills and exceeds the default allocation requiring you to increase it. The solution to this is straight forward. Increasing the table size is easy. The first step is to determine how many directories to alloca… --- _[View the full topic](https://forums.plex.tv/t/library-not-scanning-automatically/700246)._