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Alan Somers 3aae5ca6fd scripts: fix bash path in shebangs 
/bin/bash is a Linuxism.  Other operating systems install bash to
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Signed-off-by: Alan Somers <asomers@gmail.com>
2017-07-27 13:24:26 -06:00
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apache2.vhost.conf
mirror-ceph.sh scripts: fix bash path in shebangs 2017-07-27 13:24:26 -06:00
MIRRORS
README.md
rsyncd.conf
test-mirrors.sh scripts: fix bash path in shebangs 2017-07-27 13:24:26 -06:00

README.md

Mirroring Ceph

Ceph is primarily distributed from download.ceph.com which is based in the US.

However, globally there are multiple mirrors which offer the same content. Often faster than downloading from the primary source.

Using the script found in this directory you can easily mirror Ceph to your local datacenter and serve packages from there to your servers.

Guidelines

If you want to mirror Ceph please follow these guidelines:

  • Please use a mirror close to you
  • Do not sync in a shorter interval than 3 hours
  • Avoid syncing at minute 0 of the hour, use something between 0 and 59.

Mirror script

The 'mirror-ceph.sh' script is written in Bash and will use rsync to mirror all the contents to a local directory.

Usage is simple:

./mirror-ceph.sh -q -s eu -t /srv/mirrors/ceph

This example will mirror all contents from the source 'eu' which is eu.ceph.com.

Running with CRON

The script can easily be run with CRON:

13 1,5,9,13,17,21 * * * /home/ceph/mirror-ceph.sh -q -s eu -t /srv/mirrors/ceph

This will sync from eu.ceph.com on 01:13, 05:13, 09:13, 13:13, 17:13 and 21:13.

Becoming a mirror source

If you have spare hardware and resources available you can opt for becoming a mirror source for others.

A few things which are required:

  • 1Gbit connection or more
  • Native IPv4 and IPv6
  • HTTP access
  • rsync access
  • 2TB of storage or more
  • Monitoring of the mirror/source

You can then run the mirror-ceph.sh script and mirror all the contents.

Logs

The project wants to analyze the downloads of Ceph a few times a year. From mirrors we expect that they store HTTP access logs for at least 6 months so they can be used for analysis.

DNS

Using a DNS CNAME record a XX.ceph.com entry can be forwarded to the server and added to the mirror script.

You can request such a DNS entry on the ceph mailinglists.

Apache configuration

A Apache 2.4 VirtualHost example configuration can be found the Git repository with the name apache2.vhost.conf