bor@tw:~> sudo ls -l /var/adm/backup/rpmdb
total 280504
-rw-r--r-- 1 root root 68466826 Feb 26 22:23 Packages-20200226.gz
-rw-r--r-- 1 root root 72282613 Mar 12 21:43 Packages-20200312.gz
-rw-r--r-- 1 root root 72377867 Mar 14 19:26 Packages-20200314.gz
-rw-r--r-- 1 root root 74091506 Mar 15 09:56 Packages-20200315.gz
-rw-r--r-- 1 root root 126 Mar 24 16:39 Packages-20200324.gz
-rw-r--r-- 1 root root 36 Mar 24 16:39 rpmdb_recent_md5
bor@tw:~> l /usr/lib/sysimage/rpm
total 284256
drwxr-xr-x 1 root root 458 Jun 29 22:25 ./
drwxr-xr-x 1 root root 6 Jun 29 22:25 ../
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Basenames
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Conflictname
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Dirnames
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Enhancename
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Filetriggername
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Group
-rw-r--r-- 1 root root 48185344 Jul 4 22:18 Index.db
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Installtid
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Name
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Obsoletename
-rw-r--r-- 1 root root 12288 Mar 24 15:32 Packages
-rw-r--r-- 1 root root 242736496 Jul 4 22:18 Packages.db
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Providename
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Recommendname
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Requirename
-rw-r--r-- 1 root root 0 Mar 24 15:12 .rpm.lock
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Sha1header
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Sigmd5
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Suggestname
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Supplementname
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Transfiletriggername
-rw-r--r-- 1 root root 8192 Mar 24 15:32 Triggername
bor@tw:~> less /usr/lib/base-scripts/backup-rpmdb
...
#
PACKAGEDBFILE=packages.rpm
if test -e ${RPMDB_PATH}/Packages ; then
PACKAGEDBFILE=Packages
fi
As you see, scripts looks for old format file which was not changed since 24th
of March. And yes, script runs every week as per timer.