Re: ZFS Root size keeps going down after upgrade to 13.2-release
Date: Mon, 21 Aug 2023 13:51:26 UTC
Hi, > There doesn't seem to be anything indicative of that space being used up? Unfortunately, ZFS only reports in USED for snapshots the space that is *unique* to the corresponding snapshot, but not the space common to several ones of them, which could be freeable if it is not shared with the dataset itself. Use, e.g., "zfs list -o space <dataset>" to see the amount of space taken by snapshots (USEDSNAP column). For something more granular, you can also use "zfs get written <snapshot>" to see the amount of new data since the previous snapshot (there is also written@<snapshot>, see zfsprops(7)). Regards. -- Olivier Certner