No data in dashboard after migrating to new computer

Here the content:

total 181320

-rwxrwxrwx 1 root root 1515520 Nov 20 14:30 bandwidth.db

-rwxrwxrwx 1 root root 32768 Nov 20 14:45 bandwidth.db-shm

-rwxrwxrwx 1 root root 4177712 Nov 20 14:45 bandwidth.db-wal

drwxrwxrwx 6 root root 4096 Okt 10 00:42 blobs

-rwxrwxrwx 1 root root 36933370 Sep 30 21:41 dump_all_notrans.sql

-rwxrwxrwx 1 root root 36933416 Sep 30 21:41 dump_all.sql

drwxrwxrwx 2 root root 4096 Nov 20 14:45 garbage

-rwxrwxrwx 1 root root 8192 Okt 3 22:07 info.db

-rwxrwxrwx 1 root root 20115456 Sep 30 21:40 info.db.bak

-rwxrwxrwx 1 root root 32768 Nov 18 17:43 info.db-shm

-rwxrwxrwx 1 root root 0 Nov 18 17:43 info.db-wal

-rwxrwxrwx 1 root root 58331136 Nov 20 14:24 orders.db

-rwxrwxrwx 1 root root 32768 Nov 20 14:45 orders.db-shm

-rwxrwxrwx 1 root root 4519672 Nov 20 14:45 orders.db-wal

-rwxrwxrwx 1 root root 36864 Nov 7 20:23 piece_expiration.db

-rwxrwxrwx 1 root root 32768 Nov 18 17:43 piece_expiration.db-shm

-rwxrwxrwx 1 root root 0 Nov 18 17:43 piece_expiration.db-wal

-rwxrwxrwx 1 root root 16384 Okt 3 22:07 pieceinfo.db

-rwxrwxrwx 1 root root 32768 Nov 18 17:43 pieceinfo.db-shm

-rwxrwxrwx 1 root root 0 Nov 18 17:43 pieceinfo.db-wal

-rwxrwxrwx 1 root root 12288 Nov 18 17:42 piece_spaced_used.db

-rwxrwxrwx 1 root root 32768 Nov 20 14:43 piece_spaced_used.db-shm

-rwxrwxrwx 1 root root 601552 Nov 20 14:43 piece_spaced_used.db-wal

-rwxrwxrwx 1 root root 12288 Nov 18 17:42 reputation.db

-rwxrwxrwx 1 root root 32768 Nov 20 13:47 reputation.db-shm

-rwxrwxrwx 1 root root 395552 Nov 20 13:47 reputation.db-wal

-rwxrwxrwx 1 root root 32768 Okt 5 14:16 satellites.db

-rwxrwxrwx 1 root root 32768 Nov 18 17:43 satellites.db-shm

-rwxrwxrwx 1 root root 0 Nov 18 17:43 satellites.db-wal

-rwxrwxrwx 1 root root 65536 Nov 18 17:42 storage_usage.db

-rwxrwxrwx 1 root root 32768 Nov 20 07:04 storage_usage.db-shm

-rwxrwxrwx 1 root root 280192 Nov 20 05:44 storage_usage.db-wal

drwxrwxrwx 2 root root 4096 Nov 20 14:45 temp

-rwxrwxrwx 1 root root 17154048 Nov 20 14:43 used_serial.db

-rwxrwxrwx 1 root root 32768 Nov 20 14:45 used_serial.db-shm

-rwxrwxrwx 1 root root 4161232 Nov 20 14:45 used_serial.db-wal

I also checked the Dashboard, there is one day missing in the "Disk space used graph.
May the information in bandwidth.db are incomlplete?