[occi-wg] OCCI MC - State Machine Diagram
andrewx.edmonds at intel.com
Thu Apr 23 08:13:00 CDT 2009
We had the discussion on the inclusion of an error state and it versus an error exit and it was agreed that an error exit would be used. You can see this here: http://forge.ogf.org/sf/wiki/do/viewPage/projects.occi-wg/wiki/StateModel
From: occi-wg-bounces at ogf.org [mailto:occi-wg-bounces at ogf.org] On Behalf Of Michael Richardson
Sent: 20 April 2009 14:02
To: occi-wg at ogf.org
Subject: Re: [occi-wg] OCCI MC - State Machine Diagram
Missing are error states.
For instance, "starting" may well lead to an error state such as "failed
to boot". The VM may well be spinning cycles at "Kernel panic", "db>",
or "Failure on Drive C, abort,retry,fail". The failed state is
important for clients to know, and possibly also for billing.
Another state that I can think of that might be important is network
disconnect --- you may have a VM that is ACTIVE, but the networks are
disconnected. I'd call this state "STANDBY"
(Or not yet connected). I often do this in my virtualized
infrastructure: bring up a VM with a new version of software, on a new
IP, with VRRP/CARP configured, but I'm not going to connect it on the
live side until it's confirmed to be up, at which point, I enable the
networking, and it takes over the virtual IP.
] Y'avait une poule de jammé dans l'muffler!!!!!!!!! | firewalls [
] Michael Richardson, Sandelman Software Works, Ottawa, ON |net architect[
] mcr at sandelman.ottawa.on.ca http://www.sandelman.ottawa.on.ca/ |device driver[
] panic("Just another Debian GNU/Linux using, kernel hacking, security guy"); [
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