[root@VM_0_7_centos ~]# sudo appnode ccenter update
error: db5 error(11) from dbenv->open: Resource temporarily unavailable
error: cannot open Packages index using db5 - Resource temporarily unavailable (11)
error: cannot open Packages database in /var/lib/rpm
CRITICAL:yum.main:

Error: rpmdb open failed

>> Failed to run command: exit status 1


有朋友遇到这种问题吗？请指教！