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Posted to users@cloudstack.apache.org by Mohd Zainal Abidin Rabani <za...@nocser.net> on 2016/07/01 00:44:40 UTC

RE: HA Enabled ACS

Sorry, my mistake. Will try today.

-----Original Message-----
From: Nux! [mailto:nux@li.nux.ro] 
Sent: Thursday, June 30, 2016 5:32 PM
To: users@cloudstack.apache.org
Subject: Re: HA Enabled ACS

Use "o" the letter, not "0" the number when you echo.

Once you do that, the server powers off in an instant, make sure you can start it again, i.e. have physical access or ipmi.

--
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro

----- Original Message -----
> From: "Mohd Zainal Abidin Rabani" <za...@nocser.net>
> To: users@cloudstack.apache.org
> Sent: Thursday, 30 June, 2016 08:22:01
> Subject: RE: HA Enabled ACS

> Hi,
> 
> I test HA using HA enable template. After issue command echo 0 > 
> /proc/sysrq-trigger, instance still running on host A.
> 
> Id    Name                           State
> ----------------------------------------------------
> 2     s-310-VM                       running
> 3     r-266-VM                       running
> 6     i-2-309-VM                     running
> 
> Is it correct step?
> 
> -----Original Message-----
> From: Mohd Zainal Abidin Rabani [mailto:zainal@nocser.net]
> Sent: Thursday, June 30, 2016 2:53 PM
> To: users@cloudstack.apache.org
> Subject: RE: HA Enabled ACS
> 
> Is this command to kill a process or what? Is it normal what a 
> cloudstack management page show some delay after vm start/stop?
> 
> -----Original Message-----
> From: Nux! [mailto:nux@li.nux.ro]
> Sent: Thursday, June 30, 2016 12:52 AM
> To: users@cloudstack.apache.org
> Subject: Re: HA Enabled ACS
> 
> +1 what Simon said.
> To "kill" host A do a simple:
> echo o > /proc/sysrq-trigger
> 
> This will properly simulate a "crash".
> 
> --
> Sent from the Delta quadrant using Borg technology!
> 
> Nux!
> www.nux.ro
> 
> ----- Original Message -----
>> From: "Simon Weller" <sw...@ena.com>
>> To: users@cloudstack.apache.org
>> Sent: Wednesday, 29 June, 2016 13:02:29
>> Subject: RE: HA Enabled ACS
> 
>> If the host agent shuts down gracefully, I don't believe HA will kick 
>> in. In the management console, you'll see the host in state 
>> disconnected. If you pull the power on your host, or cause it to 
>> kernel panic, the state should be listed as down in the console. The 
>> state down should trigger HA.
>> 
>> Simon Weller/ENA
>> (615) 312-6068
>> 
>> -----Original Message-----
>> From: Mohd Zainal Abidin Rabani [zainal@nocser.net]
>> Received: Wednesday, 29 Jun 2016, 3:50AM
>> To: users@cloudstack.apache.org [users@cloudstack.apache.org]
>> Subject: HA Enabled ACS
>> 
>> Hi,
>> 
>> 
>> 
>> I have create HA enables from service offering > Compute offering. I 
>> install vm using iso. I have 2 host that running kvm and connect to 
>> ACS. After install I check vm running on host A. So I shutdown host A.
>> I wait about 1o minute and vm still not up on host B. Storage using 
>> ceph. Is it because of ceph or what? From the doc it said support 
>> shared (NFS or iSCSI). I'm not sure it support ceph or not. Suppose 
>> to be support. Advice needed.
>> 
>> 
>> 
> > Thanks.