냠 전혀 일하지 않아

명령을 실행 yum clean metadata한 다음 명령을 실행했습니다 yum update. yum update를 실행하면 다음 오류가 발생합니다.

Loaded plugins: product-id, security, subscription-manager
This system is receiving updates from Red Hat Subscription Management.
rhel-6-server-eus-rpms                                                                                                                                                                                                | 3.7 kB     00:00
https://cdn.redhat.com/content/eus/rhel/server/6/6Server/i386/os/repodata/61d64ef221a0968bfefa27abbb584e44065b73cb-primary.sqlite.bz2: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
Trying other mirror.
https://cdn.redhat.com/content/eus/rhel/server/6/6Server/i386/os/repodata/61d64ef221a0968bfefa27abbb584e44065b73cb-primary.sqlite.bz2: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"
Trying other mirror.
Error: failure: repodata/61d64ef221a0968bfefa27abbb584e44065b73cb-primary.sqlite.bz2 from rhel-6-server-eus-rpms: [Errno 256] No more mirrors to try.

원인이 무엇인지 모르겠습니다. 누구든지 의견을 보내 주실 수 있습니까? 저는 Red Hat 6.5를 실행하고 있습니다.