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To support OpenVZ users we maintain [http://forum.openvz.org/index.php?t=thread&frm_id=2 Support forum] and [http://openvz.org/mailman/listinfo/users Users mailing list]. If you analyze an activity at the forum, then you'll find out that the substantial portion of all the messages are requests to users to provide an additional information about their environments. Because of this, the time between the report of a problem and its solution is sometimes much longer than it could be.

This article described which information a user should report when reporting OpenVZ-related problem. We hope that it will make our support service more effective.

* clear problem description

It is necessary not just to describe the problem, but also post real commands,

If other programs are involved in your problem, try to run they with increased verbosity and attach appropriate log files, if they exist.

The most helpful tool here is <code>strace</code>. See [[stracing a program]].

* interface/routing/filter configuration

You should run these commands in [[container]] '''and''' on [[HN]]

* see also required information in [http://forum.openvz.org/index.php?t=tree&goto=27545&S=37542b6163cbf0da10ebc21fdd10b471#msg_27545 post on forum]

{{Note|if you have public IP addresses, you should carefully mask them in a report. For example: 194.85.83.97 -> X.Y.83.97.}}

"[[When you have an oops]]" article explains how to identify Oops and what you should do when it happens. The key moment is that you should send us the '''full''' Ooops text. Sometimes it can be easily obtained from <code>/var/log/messages</code> file or <code>dmesg</code> output. In other cases, you can only see an Oops message on the monitor, and the system is completely stuck. In such a situation you should implement [[Remote console setup]]. As a rule, each production server should have a remote console set up.

In some cases, a remote access to the problem node is the fastest way to diagnose and fix a problem, so sometimes an OpenVZ developer can request such access from you. Note that in should be a root access (either directly, or via <code>sudo</code>) to the [[hardware node]].

In case you can provide an access, post login information via forum PM or by e-mail, or ask for a public SSH key.

{{Warning|Do not post any sensitive information (like login details to public forums, mailing lists etc.)}}

* [https://bugs.openvz.org/ OpenVZ bugtracker]

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[[Category: QA]]