Ошибка Error: database disk image is malformed

yum upgrade
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* addons: centos.intergenia.de
* base: centos.copahost.com
* extras: centos.copahost.com
* updates: centos.copahost.com
Error: database disk image is malformed

Данную проблему решаем следующим образом:
yum clean all