Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-12-02 Thread Chiradeep Vittal
p! > >Cheers, > >Funs > > >-Original Message- >From: Alex Huang [mailto:alex.hu...@citrix.com] >Sent: vrijdag 6 september 2013 2:05 >To: dev@cloudstack.apache.org; Marcus Sorensen >Cc: Roeland Kuipers; int-cloud >Subject: RE: [DISCUSS] OOM killer and Routin

RE: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-06 Thread Funs Kessen
Sent: Thursday, September 5, 2013 12:48 PM > To: dev@cloudstack.apache.org; Marcus Sorensen > Cc: Roeland Kuipers; int-cloud > Subject: Re: [DISCUSS] OOM killer and Routing/System VM's = :( > > Maintaining a custom kernel is a big hassle, even if it is a few lines > of c

RE: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-05 Thread Alex Huang
8 PM > To: dev@cloudstack.apache.org; Marcus Sorensen > Cc: Roeland Kuipers; int-cloud > Subject: Re: [DISCUSS] OOM killer and Routing/System VM's = :( > > Maintaining a custom kernel is a big hassle, even if it is a few lines of code > change. > Can we do something in

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-05 Thread Chiradeep Vittal
Maintaining a custom kernel is a big hassle, even if it is a few lines of code change. Can we do something in userspace? What about the software watchdog that is available? Along the lines of: http://goo.gl/oO3Lzr http://linux.die.net/man/8/watchdog On 9/5/13 7:13 AM, "Funs Kessen" wrote: > >>

RE: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-05 Thread Funs Kessen
> Well, you can't as far as I've looked in the source of panic.c. So I'm > thinking of > investigating of adding -1 as an option and seeing if I can push halt in, > let's hope > the guys that do kernel stuff find this useful too. > So it seems the patch, I conjured up for panic.c, is seen

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Prasanna Santhanam
On Wed, Sep 04, 2013 at 12:14:27PM -0700, Darren Shepherd wrote: > On 09/04/2013 11:37 AM, Roeland Kuipers wrote: > >Hi Darren, > > > >Thanks for your reply! Could you share a bit more on your plans/ideas? > > > >We also have been braining on other approaches of managing the > >systemvm's, especial

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Chiradeep Vittal
I'd support adding these parameters in some form in /etc/init.d/cloud-early-config. Agree that OOM killer is of no use. On 9/4/13 11:15 AM, "Roeland Kuipers" wrote: >Hi Dev! > >We have experienced a serious customers outage due to the OOM killer on a >redundant routing vm pair member. Somehow th

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Funs Kessen
Well, you can't as far as I've looked in the source of panic.c. So I'm thinking of investigating of adding -1 as an option and seeing if I can push halt in, let's hope the guys that do kernel stuff find this useful too. Cheers, Funs Sent from my iPhone On 4 sep. 2013, at 23:35, "Marcus S

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Marcus Sorensen
What would work as a quick fix for this sort of situation would be if the machine could be configured to power off rather than rebooting on oom. Then the HA system would restart the VM, applying all configs. Anyone know how to do that? :-) On Wed, Sep 4, 2013 at 1:14 PM, Darren Shepherd wrote: >

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Darren Shepherd
On 09/04/2013 11:37 AM, Roeland Kuipers wrote: Hi Darren, Thanks for your reply! Could you share a bit more on your plans/ideas? We also have been braining on other approaches of managing the systemvm's, especially small customizations for specific tenants. And maybe even leveraging a config

RE: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Roeland Kuipers
ility to integrate CS with that in some way. Cheers, Roeland -Original Message- From: Darren Shepherd [mailto:darren.s.sheph...@gmail.com] Sent: woensdag 4 september 2013 20:30 To: dev@cloudstack.apache.org Cc: Roeland Kuipers; int-cloud Subject: Re: [DISCUSS] OOM killer and Routing/S

Re: [DISCUSS] OOM killer and Routing/System VM's = :(

2013-09-04 Thread Darren Shepherd
On 09/04/2013 11:15 AM, Roeland Kuipers wrote: It would be nice to see that the VPC router config is persistent across reboots even when rebooted outside cloudstack and using the same mechanism as the other system vm's to make things more consistent and reliable. What is your opinion on this?