UrBackup ZFS, change file privileges = re-hash all files+space usage

Hello, is possible fix this ? logs help ?

LAN: Transferred 1.43253 GB *1
Used Disk Space: 3.68T *2

thanks

*1
06/28/20 16:24
Waiting for file hashing and copying threads…
Info

06/28/20 16:25
Writing new file list…
Info

06/28/20 16:26
All metadata was present
Info

06/28/20 16:26
Number of re-added file entries is 3824
Info

06/28/20 16:26
Transferred 1.43253 GB - Average speed: 42.552 KBit/s
Info

06/28/20 16:26
(Before compression: 5.09285 GB ratio: 3.55515)
Info

06/28/20 16:26
4.23691 TB of files were already present on the server and did not need to be transferred
Info

*2
NAME AVAIL USED USEDSNAP USEDDS USEDREFRESERV USEDCHILD
—/files/—/200624-1543 1.00T 3.68T 0B 3.68T 0B 0B