rpmdb: unable to join the environment

rpmdb: unable to join the environment
error: db3 error(11) from dbenv->open: Resource temporarily unavailable
error: cannot open Packages index using db3 - Resource temporarily unavailable (11)

cd /var/lib/rpm
删除__db.001等文件

若空间不足，删除/var/log目录下的所有文件

rpm --rebuilddb