Hallo,
danke für die Antwort und den Hinweis auf absolute pfade.
Hier die Ausgaben:
root@server1:~# ls -l /root/backups/alldb/
total 1626456
drwxr--r-- 2 root root 4096 Apr 15 21:12 old
-rw-r--r-- 1 root root 1408388 Apr 15 21:39 server1-alldb-2019-04-15.sql.bak
-rw-r--r-- 1 root root 44131880 Apr 21 20:58 server1-alldb-2019-04-21.sql.bak
-rw-r--r-- 1 root root 43668351 Apr 22 18:26 server1-alldb-2019-04-22.sql.bak
-rw-r--r-- 1 root root 44192789 Apr 24 01:03 server1-alldb-2019-04-24.sql.bak
-rw-r--r-- 1 root root 44191835 Apr 25 01:03 server1-alldb-2019-04-25.sql.bak
-rw-r--r-- 1 root root 44195992 Apr 26 01:03 server1-alldb-2019-04-26.sql.bak
-rw-r--r-- 1 root root 44083233 Apr 27 01:03 server1-alldb-2019-04-27.sql.bak
-rw-r--r-- 1 root root 44072547 Apr 28 01:03 server1-alldb-2019-04-28.sql.bak
-rw-r--r-- 1 root root 44059439 Apr 29 01:04 server1-alldb-2019-04-29.sql.bak
-rw-r--r-- 1 root root 44047842 Apr 30 01:03 server1-alldb-2019-04-30.sql.bak
-rw-r--r-- 1 root root 44053605 May 1 01:03 server1-alldb-2019-05-01.sql.bak
-rw-r--r-- 1 root root 44068800 May 2 01:03 server1-alldb-2019-05-02.sql.bak
-rw-r--r-- 1 root root 44069706 May 3 01:03 server1-alldb-2019-05-03.sql.bak
-rw-r--r-- 1 root root 44070786 May 4 01:03 server1-alldb-2019-05-04.sql.bak
-rw-r--r-- 1 root root 44072802 May 5 01:04 server1-alldb-2019-05-05.sql.bak
-rw-r--r-- 1 root root 44090153 May 6 01:03 server1-alldb-2019-05-06.sql.bak
-rw-r--r-- 1 root root 44197729 May 7 01:05 server1-alldb-2019-05-07.sql.bak
-rw-r--r-- 1 root root 52426137 May 8 01:05 server1-alldb-2019-05-08.sql.bak
-rw-r--r-- 1 root root 52472025 May 9 01:05 server1-alldb-2019-05-09.sql.bak
-rw-r--r-- 1 root root 61486435 May 10 01:06 server1-alldb-2019-05-10.sql.bak
-rw-r--r-- 1 root root 61263393 May 11 01:05 server1-alldb-2019-05-11.sql.bak
-rw-r--r-- 1 root root 61258196 May 12 01:05 server1-alldb-2019-05-12.sql.bak
-rw-r--r-- 1 root root 61263543 May 13 01:05 server1-alldb-2019-05-13.sql.bak
-rw-r--r-- 1 root root 61241600 May 14 01:05 server1-alldb-2019-05-14.sql.bak
-rw-r--r-- 1 root root 61243514 May 15 01:06 server1-alldb-2019-05-15.sql.bak
-rw-r--r-- 1 root root 61237214 May 16 01:06 server1-alldb-2019-05-16.sql.bak
-rw-r--r-- 1 root root 61235866 May 17 01:05 server1-alldb-2019-05-17.sql.bak
-rw-r--r-- 1 root root 61219068 May 18 01:06 server1-alldb-2019-05-18.sql.bak
-rw-r--r-- 1 root root 61217534 May 19 01:06 server1-alldb-2019-05-19.sql.bak
-rw-r--r-- 1 root root 61203557 May 20 01:05 server1-alldb-2019-05-20.sql.bak
-rw-r--r-- 1 root root 61201174 May 21 01:06 server1-alldb-2019-05-21.sql.bak
-rw-r--r-- 1 root root 59390896 May 22 01:08 server1-alldb-2019-05-22.sql.bak
-rw-r--r-- 1 root root 59381719 May 23 01:07 server1-alldb-2019-05-23.sql.bak
mtime +2
root@server1:~# find /root/backups/alldb -type f -mtime +2
/root/backups/alldb/server1-alldb-2019-04-26.sql.bak
/root/backups/alldb/server1-alldb-2019-05-13.sql.bak
/root/backups/alldb/server1-alldb-2019-05-06.sql.bak
/root/backups/alldb/server1-alldb-2019-05-12.sql.bak
/root/backups/alldb/server1-alldb-2019-05-03.sql.bak
/root/backups/alldb/server1-alldb-2019-05-09.sql.bak
/root/backups/alldb/server1-alldb-2019-04-28.sql.bak
/root/backups/alldb/server1-alldb-2019-04-27.sql.bak
/root/backups/alldb/server1-alldb-2019-05-05.sql.bak
/root/backups/alldb/server1-alldb-2019-04-24.sql.bak
/root/backups/alldb/server1-alldb-2019-05-17.sql.bak
/root/backups/alldb/server1-alldb-2019-04-29.sql.bak
/root/backups/alldb/server1-alldb-2019-05-07.sql.bak
/root/backups/alldb/server1-alldb-2019-05-16.sql.bak
/root/backups/alldb/server1-alldb-2019-05-11.sql.bak
/root/backups/alldb/server1-alldb-2019-04-25.sql.bak
/root/backups/alldb/server1-alldb-2019-05-18.sql.bak
/root/backups/alldb/server1-alldb-2019-05-02.sql.bak
/root/backups/alldb/server1-alldb-2019-04-22.sql.bak
/root/backups/alldb/server1-alldb-2019-05-14.sql.bak
/root/backups/alldb/server1-alldb-2019-05-08.sql.bak
/root/backups/alldb/server1-alldb-2019-04-21.sql.bak
/root/backups/alldb/server1-alldb-2019-04-15.sql.bak
/root/backups/alldb/server1-alldb-2019-05-01.sql.bak
/root/backups/alldb/server1-alldb-2019-04-30.sql.bak
/root/backups/alldb/server1-alldb-2019-05-20.sql.bak
/root/backups/alldb/server1-alldb-2019-05-04.sql.bak
/root/backups/alldb/server1-alldb-2019-05-15.sql.bak
/root/backups/alldb/server1-alldb-2019-05-10.sql.bak
/root/backups/alldb/server1-alldb-2019-05-19.sql.bak
mtime +5
root@server1:~# find /root/backups/alldb -type f -mtime +5
/root/backups/alldb/server1-alldb-2019-04-26.sql.bak
/root/backups/alldb/server1-alldb-2019-05-13.sql.bak
/root/backups/alldb/server1-alldb-2019-05-06.sql.bak
/root/backups/alldb/server1-alldb-2019-05-12.sql.bak
/root/backups/alldb/server1-alldb-2019-05-03.sql.bak
/root/backups/alldb/server1-alldb-2019-05-09.sql.bak
/root/backups/alldb/server1-alldb-2019-04-28.sql.bak
/root/backups/alldb/server1-alldb-2019-04-27.sql.bak
/root/backups/alldb/server1-alldb-2019-05-05.sql.bak
/root/backups/alldb/server1-alldb-2019-04-24.sql.bak
/root/backups/alldb/server1-alldb-2019-05-17.sql.bak
/root/backups/alldb/server1-alldb-2019-04-29.sql.bak
/root/backups/alldb/server1-alldb-2019-05-07.sql.bak
/root/backups/alldb/server1-alldb-2019-05-16.sql.bak
/root/backups/alldb/server1-alldb-2019-05-11.sql.bak
/root/backups/alldb/server1-alldb-2019-04-25.sql.bak
/root/backups/alldb/server1-alldb-2019-05-02.sql.bak
/root/backups/alldb/server1-alldb-2019-04-22.sql.bak
/root/backups/alldb/server1-alldb-2019-05-14.sql.bak
/root/backups/alldb/server1-alldb-2019-05-08.sql.bak
/root/backups/alldb/server1-alldb-2019-04-21.sql.bak
/root/backups/alldb/server1-alldb-2019-04-15.sql.bak
/root/backups/alldb/server1-alldb-2019-05-01.sql.bak
/root/backups/alldb/server1-alldb-2019-04-30.sql.bak
/root/backups/alldb/server1-alldb-2019-05-04.sql.bak
/root/backups/alldb/server1-alldb-2019-05-15.sql.bak
/root/backups/alldb/server1-alldb-2019-05-10.sql.bak