Status: New
Owner: ----

New issue 877 by [email protected]: Documentation of enabling user shutdown functionality
http://code.google.com/p/ganeti/issues/detail?id=877

[ganeti-2.11.2 from wheezy-backports]

(1) Neither http://docs.ganeti.org/ganeti/2.11/html/news.html
nor http://docs.ganeti.org/ganeti/2.11/html/design-kvmd.html
nor http://docs.ganeti.org/ganeti/2.11/html/man-ganeti-kvmd.html

mentions these commands:

gnt-cluster modify --user-shutdown=true
gnt-cluster modify -H kvm:user_shutdown=true

I think they should. I was expecting the kvmd functionality just to work, and when it wasn't I had to do silly stuff to find out what was going on. I got the hint from manually running ganeti-kvmd under strace and seeing:

...
open("/var/lib/ganeti/ssconf_enabled_user_shutdown", O_RDONLY|O_NOCTTY| O_NONBLOCK) = 6
...

(2) gnt-cluster manpage doesn't say what the default for the --user-shutdown setting is when creating a new cluster

(3) Neither manpage says how the cluster --user-shutdown and the hypervisor kvm:user_shutdown settings interact. Through experimentation, I had to set them both on.

(4) Minor quibble but --user-shutdown accepts "yes" and "no" whereas -H kvm:user_shutdown does not. (Both accept "true" and "false" however)


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