yum failure

[Mustafa Orkun]

why i always get this error.What is this?

> [root at localhost ~]# yum check-update
> Repository updates-released already added, not adding again
> Repository base already added, not adding again
> Setting up Repo:  dries
> Cannot open/read repomd.xml file for repository: dries
> failure: repodata/repomd.xml from dries: [Errno 256] No more mirrors to try.
> [root at localhost ~]#