Twin directories of 7.1-s390x:

[DIR]  ftp://sunsite.mff.cuni.cz/MIRRORS/archive.download.redhat.com/redhat/linux/7.1-s390x/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/archive.download.redhat.com/redhat/linux/7.1-s390x/
[DIR]  ftp://ftp.gmd.de/archive.download.redhat.com/redhat/linux/7.1-s390x/
[DIR]  ftp://ftp.acn.gr/pub/linux/redhat/linux/7.1-s390x/
[DIR]  ftp://fr2.rpmfind.net/linux/0/redhat-archive/7.1-s390x/
[DIR]  ftp://ftp.las.ic.unicamp.br/pub/redhat-archive/redhat/linux/7.1-s390x/