infra-docs-fpo/modules/sysadmin_guide/pages/mastermirror.adoc
Michal Konečný 3823b5ccdf Review mastermirror SOP
Signed-off-by: Michal Konečný <mkonecny@redhat.com>
2021-09-06 16:51:55 +02:00

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= Master Mirror Infrastructure SOP
== Contents
* <<_contact_information>>
* <<_iad_master_mirror_setup>>
* <<_rdu_i2_master_mirror_setup>>
* <<_raising_issues>>
== Contact Information
Owner:::
Red Hat IS
Contact:::
#fedora-admin, Red Hat ticket
Servers:::
server[1-5].download.iad2.redhat.com
Purpose:::
Provides the master mirrors for Fedora distribution
== IAD Master Mirror Setup
The master mirrors are accessible as:
....
download1.fedora.redhat.com -> CNAME to download3.fedora.redhat.com
download2.fedora.redhat.com -> currently no DNS entry
download3.fedora.redhat.com -> 209.132.176.20
download4.fedora.redhat.com -> 209.132.176.220
download5.fedora.redhat.com -> 209.132.176.221
....
from the outside. download.fedora.redhat.com is a round robin to the
above IPs.
The external IPs correspond to internal load balancer IPs that balance
between server[1-5]:
....
209.132.176.20 -> 10.9.24.20
209.132.176.220 -> 10.9.24.220
209.132.176.221 -> 10.9.24.221
....
The load balancers then balance between the below Fedora IPs on the
rsync servers:
....
10.8.24.21 (fedora1.download.iad2.redhat.com) - server1.download.iad2.redhat.com
10.8.24.22 (fedora2.download.iad2.redhat.com) - server2.download.iad2.redhat.com
10.8.24.23 (fedora3.download.iad2.redhat.com) - server3.download.iad2.redhat.com
10.8.24.24 (fedora4.download.iad2.redhat.com) - server4.download.iad2.redhat.com
10.8.24.25 (fedora5.download.iad2.redhat.com) - server5.download.iad2.redhat.com
....
== RDU I2 Master Mirror Setup
[NOTE]
====
This section is awaiting confirmation from RH - information here may not
be 100% accurate yet.
====
download-i2.fedora.redhat.com (rhm-i2.redhat.com) is a round robin
between:
....
204.85.14.3 - 10.11.45.3
204.85.14.5 - 10.11.45.5
....
== Raising Issues
Issues with any of this setup should be raised in a helpdesk ticket.