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Re: "hidden processes" in OpenVZ [message #23555 is a reply to message #23475]

Tue, 20 November 2007 10:43

vaverin
Messages: 708
Registered: September 2005

Senior Member

Hi floogy,

Please do not worry, I believe it's falshe alerts.

Let me explain:
each process inside VE have 2 pids -- "virtualized" and system".
Inside VE "virtualized" pids are used, "system" are used in hardware node conext. As an example: init process in each VE have pid=1 visible inside VE and "real" pid on HW node.

Proc inside VE shows "virtualized" pids, but allows to use "system" pids too, therefore "system" pids looks as hidden.

Also I would note that you can find some more details in
"PID namespaces in the 2.6.24 kernel" article on LWN
http://lwn.net/Articles/259217/

Currently this article is available to LWN subscribers only and will become freely available on November 29, 2007.

thank you,
Vasily Averin

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[Message index]

		"hidden processes" in OpenVZ By: floogy on Sun, 18 November 2007 14:11
		Re: "hidden processes" in OpenVZ By: vaverin on Tue, 20 November 2007 10:43
		Re: "hidden processes" in OpenVZ By: floogy on Tue, 20 November 2007 12:59
		Re: "hidden processes" in OpenVZ By: vaverin on Tue, 20 November 2007 13:56
		Re: "hidden processes" in OpenVZ By: floogy on Tue, 20 November 2007 14:03
		Re: "hidden processes" in OpenVZ By: vaverin on Tue, 20 November 2007 14:17
		Re: "hidden processes" in OpenVZ By: floogy on Tue, 20 November 2007 14:24
		Re: "hidden processes" in OpenVZ By: floogy on Tue, 20 November 2007 21:11
		Re: "hidden processes" in OpenVZ By: vaverin on Wed, 21 November 2007 05:18
		Re: "hidden processes" in OpenVZ By: vaverin on Wed, 21 November 2007 06:01
		Re: "hidden processes" in OpenVZ By: vaverin on Wed, 21 November 2007 06:50
		Re: "hidden processes" in OpenVZ By: floogy on Wed, 21 November 2007 10:22
		Re: "hidden processes" in OpenVZ By: vaverin on Wed, 21 November 2007 12:53
		Re: "hidden processes" in OpenVZ By: dev on Thu, 06 March 2008 20:48
		Re: "hidden processes" in OpenVZ By: sara3 on Fri, 07 March 2008 12:26
		Re: "hidden processes" in OpenVZ By: dev on Fri, 07 March 2008 13:16

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