---

[user@localhost ~]$ su -
Password:
[root@localhost ~]# yum install preupgrade
c2159225c22a768da3f424846 100% |=========================|  11 MB    18:26     
http://mirror.uv.es/mirror/fedora/linux/development/rawhide/i386/os/repodata/c2159225c22a768da3f4248460ae030eb9f8158ea0009363be5c8580dce37107-primary.sqlite.bz2: [Errno -3] Error performing checksum
Trying other mirror.
c2159225c22a768da3f424846 100% |=========================| 704 kB    01:18     
c2159225c22a768da3f424846 100% |=========================| 144 kB    00:31     
http://mirror.bytemark.co.uk/fedora/linux/development/rawhide/i386/os/repodata/c2159225c22a768da3f4248460ae030eb9f8158ea0009363be5c8580dce37107-primary.sqlite.bz2: [Errno 14] HTTP Error 404: Not Found
Trying other mirror.

Que significa esto?