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1 <?xml version='1.0' encoding="UTF-8"?>
2 <!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/source_mirrors.xml,v 1.33 2008/12/18 21:00:25 robbat2 Exp $ -->
3 <!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
4
5 <guide link="/doc/en/source_mirrors.xml">
6
7 <title>Gentoo Linux Source Mirrors Policy</title>
8
9 <author title="Author">
10 <mail link="klieber@gentoo.org">Kurt Lieber</mail>
11 </author>
12 <author title="Editor">
13 <mail link="cshields@gentoo.org">Corey Shields</mail>
14 </author>
15 <author title="Editor">
16 <mail link="bennyc@gentoo.org">Benny Chuang</mail>
17 </author>
18 <author title="Editor">
19 <mail link="jforman@gentoo.org">Jeffrey Forman</mail>
20 </author>
21 <author title="Editor">
22 <mail link="robbat2@gentoo.org">Robin H. Johnson</mail>
23 </author>
24 <author title="Editor">
25 <mail link="fox2mike@gentoo.org">Shyam Mani</mail>
26 </author>
27
28 <abstract>
29 This document explains the requirements for source mirrors.
30 </abstract>
31
32 <!-- The content of this document is licensed under the CC-BY-SA license -->
33 <!-- See http://creativecommons.org/licenses/by-sa/2.5 -->
34 <license/>
35 <version>1.11</version>
36 <date>2009-11-19</date>
37
38 <chapter>
39 <title>Requirements</title>
40 <section>
41 <title>Minimum Bandwidth</title>
42 <body>
43
44 <p>
45 To properly host a source mirror, you should have a minimum of 5Mbps upstream
46 bandwidth. ADSL and cable connections do not generally make adequate
47 connections for distfile hosts due to their limited upstream performance.
48 </p>
49
50 </body>
51 </section>
52 <section>
53 <title>Minimum Disk Space</title>
54 <body>
55
56 <p>
57 The space requirements depend on whether you choose to run a "Full" mirror or a
58 "Distfiles only" mirror. Full mirrors require 180 GB of disk space. Distfiles
59 only mirrors require 100 GB of space.
60 </p>
61
62 </body>
63 </section>
64 <section>
65 <title>Minimum User Count</title>
66 <body>
67
68 <p>
69 We ask that you support a minimum of 15 and preferrably 30 concurrent user
70 connections.
71 </p>
72
73 </body>
74 </section>
75 <section>
76 <title>Update Frequency</title>
77 <body>
78
79 <p>
80 All mirrors must be synchronized every four hours, starting at midnight in your
81 local time zone. This helps distribute the load out over a period of time,
82 rather than having all mirrors synchronize at the same time.
83 </p>
84
85 </body>
86 </section>
87 <section>
88 <title>Mirror Needs</title>
89 <body>
90
91 <p>
92 Your mirror may not be added immediately to our listing and given access to the
93 private distribution point. We add mirrors on an as-needed basis so as not to
94 clutter up the listing, and to provide an adequate amount of high speed mirrors.
95 You are more than welcome to peek in <uri
96 link="irc://irc.gentoo.org/gentoo-mirrors">#gentoo-mirrors</uri> on IRC and chat
97 up to see the status of your mirror being added to our official network.
98 </p>
99
100 </body>
101 </section>
102 </chapter>
103
104 <chapter>
105 <title>Implementation details</title>
106 <section>
107 <body>
108
109 <p>
110 For new source mirror requests, the procedure will be as follows:
111 </p>
112
113 <p>
114 Set up your server to rsync with ftp.ussg.iu.edu::gentoo-distfiles. Once you
115 have a complete mirror of that server, please file a bug report on <uri
116 link="http://bugs.gentoo.org/enter_bug.cgi?product=Mirrors">bugs.gentoo.org</uri>
117 under the <c>Mirrors</c> category stating that you have a new mirror and wish
118 it to be added to the list of official mirrors. Please specify whether you
119 wish to be a "Full" mirror or "Distfiles only" mirror. Distfiles
120 only mirrors will be designated as such on the website.
121 </p>
122
123 <p>
124 Full mirrors must carry the following directories (plus any directories that
125 get added in the future):
126 </p>
127
128 <ul>
129 <li>/releases (40-50G)</li>
130 <li>/experimental (20-30G)</li>
131 <li>/distfiles (100G)</li>
132 <li>/snapshots (0.5G)</li>
133 <li>/grp</li>
134 </ul>
135
136 <p>
137 Distfiles only mirrors need to carry the following directories:
138 </p>
139
140 <ul>
141 <li>/distfiles (100G)</li>
142 <li>/snapshots (0.5G)</li>
143 </ul>
144
145 <p>
146 We will then verify that the mirror exists and we can connect to it properly.
147 Then, in the next 2 weeks, we will determine if your mirror is syncing
148 correctly and in accordance with this policy.
149 </p>
150
151 <p>
152 If all steps went smoothly, we will then add you to our list of <uri
153 link="/main/en/mirrors2.xml">download mirrors</uri> on the main web site. We
154 will also send you the login information for our private master distfile mirror
155 which is only available to official Gentoo Linux source mirrors.
156 </p>
157
158 <p>
159 Additionally, you, the mirror admin, will be requested to subscribe to the
160 gentoo-mirrors mailing list (low traffic) so that you can follow all issues
161 associated with source mirrors.
162 </p>
163
164 <note>
165 Thanks for helping out Gentoo Linux users and developers! :) For any mirror
166 administration issues or problems, please contact <mail
167 link="mirror-admin@gentoo.org">mirror-admin@gentoo.org</mail>.
168 </note>
169
170 <warn>
171 Do NOT email mirror-admin@gentoo.org for mirror requests, please file a bug. It
172 makes mirror tracking easier on us.
173 </warn>
174
175 </body>
176 </section>
177 </chapter>
178
179 <chapter>
180 <title>Short FAQ</title>
181 <section>
182 <title>
183 Q: Who should I contact regarding new mirrors or to get my mirror added to the
184 Gentoo web site?
185 </title>
186 <body>
187
188 <p>
189 A: Please file a bug on bugs.gentoo.org under the <c>Mirrors</c> category.
190 </p>
191
192 </body>
193 </section>
194 <section>
195 <title>Q: Who should I contact regarding mirror issues and maintenance?</title>
196 <body>
197
198 <p>
199 A: Please file a bug on bugs.gentoo.org under the <c>Mirrors</c> category.
200 </p>
201
202 </body>
203 </section>
204 <section>
205 <title>
206 Q: I run a private source mirror for my company. Can I still access the
207 private master source mirror?
208 </title>
209 <body>
210
211 <p>
212 A: Because our resources are limited, we need to ensure we allocate them in
213 such a way to provide the maximum amount of benefit to our users. As such, we
214 limit connections to our master rsync and distfile mirrors to public mirrors
215 only. Users are welcome to use our regular mirror system to establish a
216 private source mirror.
217 </p>
218
219 </body>
220 </section>
221 <section>
222 <title>Q: How do I find the mirror nearest to me?</title>
223 <body>
224
225 <p>
226 A: mirrorselect was designed to do this for you. If you haven't already run
227 <c>emerge mirrorselect</c>, then please do so. Then run: <c>mirrorselect</c>.
228 An ncurses-based menu will display allowing you to select a mirror close to
229 you.
230 </p>
231
232 </body>
233 </section>
234 <section>
235 <title>
236 Q: I don't have that much disk space. Can I mirror part of the sources?
237 </title>
238 <body>
239
240 <p>
241 A: Yes, if you are unable to mirror our full sources, you can elect to mirror
242 the following two directories only:
243 </p>
244
245 <ul>
246 <li>/distfiles</li>
247 <li>/snapshots</li>
248 </ul>
249
250 <p>
251 These two directories will require approximately 50GB of space and you will be
252 listed on our site as a distfiles-only mirror.
253 </p>
254
255 </body>
256 </section>
257 <section>
258 <title>
259 Q: Do I have to turn on Directory Indexing for directories served up via HTTP?
260 </title>
261 <body>
262
263 <p>
264 A: Directory Indexing is required for the /releases and /experimental
265 directories, but can be turned off for all other directories (including
266 /distfiles) if you wish.
267 </p>
268
269 </body>
270 </section>
271
272 <section>
273 <title>Q: Do I have to mirror historical? I mean, it is old releases.</title>
274 <body>
275
276 <p>
277 A: Of course not, it is quite a bit of data. In your rsync command, add
278 <path>--exclude=/releases/historical</path> to your rsync options. This will
279 exclude historical and save you quite a bit of space.
280 </p>
281
282 </body>
283 </section>
284 </chapter>
285 </guide>

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