一、报错信息
[root@Dawn yum.repos.d]# yum clean all
错误：rpmdb: BDB0113 Thread/process 4153/139708200269632 failed: BDB1507 Thread died in Berkeley DB library
错误：db5 错误(-30973) 来自 dbenv->failchk：BDB0087 DB_RUNRECOVERY: Fatal error, run database recovery
错误：无法使用 db5 - (-30973) 打开 Packages 索引
错误：无法从 /var/lib/rpm 打开软件包数据库
CRITICAL:yum.main:
Error: rpmdb open failed
二、解决方法
# mv /var/lib/rpm/__db.00* /tmp/ && yum clean all
