Thanks, Eric, Do they have to be already created as HA instances? Can you turn on HA after the fact?
Also, what if it’s only one standalone server with no failover? Asai > On Aug 15, 2018, at 1:39 PM, Eric Lee Green <eric.lee.gr...@gmail.com> wrote: > > If you set the offering to allow HA and create the instances as HA instances, > they will autostart once the management server figures out they're really > dead (either because it used STONITH to kill the unreachable node, or because > that node became reachable again). When I had to reboot my cluster due to a > massive network failure (critical 10 gigabit switch croaked, had to slide a > new one in), all the instances marked "HA" came back up all by themselves > without me having to do anything about it. > > On 8/15/18 09:11, Asai wrote: >> Thanks, Dag, >> >> Looks like scripting it is the way to go. >> Asai >> >> >>> On Aug 15, 2018, at 9:06 AM, Dag Sonstebo <dag.sonst...@shapeblue.com> >>> wrote: >>> >>> Hi Asai, >>> >>> In short – no that is not a use case CloudStack is designed for, the VM >>> states are controlled by CloudStack management. You should however look at >>> using HA service offerings and host HA (if you meet all the >>> pre-requisites). Between these mechanisms VMs can be brought up on other >>> hosts if a host goes down. >>> >>> Alternatively if you are looking to trigger an automated startup of VMs I >>> suggest you simply script this with e.g. cloudmonkey. Keep in mind this >>> still requires a healthy management server though. >>> >>> Regards, >>> Dag Sonstebo >>> Cloud Architect >>> ShapeBlue >>> >>> On 15/08/2018, 16:47, "Asai" <a...@globalchangemusic.org> wrote: >>> >>> Thanks, Dag, >>> >>> On boot of the server, I would like the VMs to start up automatically, >>> rather than me having to go to the management console and start them >>> manually. We suffered some downtime and in restarting the hardware, I had >>> to manually get everything back up and running. >>> Asai >>> >>> >>> >>> dag.sonst...@shapeblue.com >>> www.shapeblue.com >>> 53 Chandos Place, Covent Garden, London WC2N 4HSUK >>> @shapeblue >>> >>> >>> >>>> On Aug 15, 2018, at 1:22 AM, Dag Sonstebo <dag.sonst...@shapeblue.com> >>>> wrote: >>>> >>>> Hi Asai, >>>> >>>> Can you explain a bit more what you are trying to achieve? Everything in >>>> CloudStack is controlled by the management server, not the KVM host, and >>>> in general the assumption is a KVM host is always online. >>>> >>>> Regards, >>>> Dag Sonstebo >>>> Cloud Architect >>>> ShapeBlue >>>> >>>> On 15/08/2018, 03:38, "Asai" <a...@globalchangemusic.org> wrote: >>>> >>>> Greetings, >>>> >>>> Can anyone offer advice on how to autostart VMs at boot time using KVM? >>>> There doesn’t seem to be any documentation for this in the CS docs. We’re >>>> on CS 4.9.2.0. >>>> >>>> I tried doing it with virsh autostart, but it just throws an error. >>>> >>>> Thank you, >>>> Asai >>>> >>>> >>>> >>>> dag.sonst...@shapeblue.com >>>> www.shapeblue.com >>>> 53 Chandos Place, Covent Garden, London WC2N 4HSUK >>>> @shapeblue >>>> >>>> >>>> >>> >>> >> >
