Ext3 Filesystem Missing Some Space, Where Did It Go?
Hi folks, I'm a forum veteran elsewhere but this is my first post on LQ! :cool:
Let me ask if someone could explain something that's puzzled me for a long time. I've got an ext3 volume on my home fileserver that reports numbers under "df -hT" which don't add up. For example... Code:
Filesystem Type Size Used Avail Use% Mounted on Where did the other 46GB go? That's a heck of a lot of space to go missing for no apparent reason! |
This must get asked every week. Ext3 reserves 5% (default) so root can login and fix things when the partition goes full. See the manpage on mkfs.ext3.
For non root (as in /) filesystems can safely be set to zero. |
I would say it's due also to ext3 file system construction. Ext3 is the least space efficient file system.
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