[Koha] many files *_koha_3_00_00_107 after upgrade

hello all, into opensolaris, after upgrading from 2 to 3 (and 3.0.0 to 3.0.1), i have many files whose name finished by: _koha_3_00_00_107 Does it mean that something was wrong during the upgrade? root@catalogue3:/usr/local/koha# find . -name "*_koha_3_00_00_107"|wc -l 5992 root@catalogue3:/usr/local/koha# find . |wc -l 49433 thanks in advance for help, gerard