rpmdb: Thread/process 11197/140701458409216 failed: Thread died in Berkeley DB library
error: db3 error(-30974) from dbenv->failchk: DB_RUNRECOVERY: Fatal error, run database recovery
error: cannot open Packages index using db3 - (-30974)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:

解决办法：
rm -rf /var/lib/rpm/__db*

|---|----------------------------| | 1 | rm -rf /var/lib/rpm/__db* |