使用yum时rpmdb open failed解决方案

蓝队云小课堂：

安装软件包的时候，被手动终止可能会导致rpm数据库被损坏

报错信息：

[root@dhcp yum.repos.d]# yum clean all
rpmdb: Thread/process 4541/140619363587840 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:
Error: rpmdb open failed
[root@dhcp yum.repos.d]# yum makecache
rpmdb: Thread/process 4541/140619363587840 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:

按照下面的方法进行重建

cd /var/lib/rpm/
rm __db.* -rf
rpm --rebuilddb
yum clean all

更多小知识，可联系蓝队云一起探讨。