Hi Vibol, that depends on your hypervisor setup and settings in CS. Is the compute offering the VMs based on HA enabled? Is your hypervisor cluster HA enabled?
Mit freundlichen Grüßen / With kind regards, Swen -----Ursprüngliche Nachricht----- Von: Vibol Vireak [mailto:vibolvir...@gmail.com] Gesendet: Mittwoch, 8. Februar 2017 12:11 An: users@cloudstack.apache.org; S. Brüseke - proIO GmbH Betreff: Re: Unplanned downtime Dear Swen, Well firstly I'm really appreciated your response and apologize for make u confusing my question I'm well understanding your Answer, and i just make my question clear. What happen is the hypervisor host accidently crash at night on 3am (Example) do i need to manual restart the instants as your said or cloudstack automatic restart it ? Thank and Best Regards, 2017-02-08 18:00 GMT+07:00 S. Brüseke - proIO GmbH <s.brues...@proio.com>: > Hi Vibol, > > I do not get you question 100%. What do you mean by unplanned > hypervisor downtime? Do you mean that a hypervisor is crashing and goes down? > CS has tools to restart VMs that should not be down. But you will have > a downtime for VMs between crash of hypervisor and restarting the VM > on another host. So we are talking about disaster recovery here. If > you need real high availability you need to do this on application > level for example > 2 webserver behind a load balancer. > > Mit freundlichen Grüßen / With kind regards, > > Swen > > > -----Ursprüngliche Nachricht----- > Von: Vibol Vireak [mailto:vibolvir...@gmail.com] > Gesendet: Mittwoch, 8. Februar 2017 11:24 > An: users@cloudstack.apache.org > Betreff: Unplanned downtime > > Dear all, > > Well migrating instants is a very good function that available in > Cloudstack presented on Apache Cloudstack Documentation. But after > spending a week read and searching for more information. I found out > that unplanned downtime for a hypervisor can cause a vm inside to go offline. > > In general, Is there a way to prevent and instants offline cause by > the unplanned hypervisor downtime ? or is there any auto migration > available for Apache Cloustack? > > Thank and Best Regards, > > > - proIO GmbH - > Geschäftsführer: Swen Brüseke > Sitz der Gesellschaft: Frankfurt am Main > > USt-IdNr. DE 267 075 918 > Registergericht: Frankfurt am Main - HRB 86239 > > Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte > Informationen. > Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich > erhalten haben, informieren Sie bitte sofort den Absender und > vernichten Sie diese Mail. > Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail > sind nicht gestattet. > > This e-mail may contain confidential and/or privileged information. > If you are not the intended recipient (or have received this e-mail in > error) please notify > the sender immediately and destroy this e-mail. > Any unauthorized copying, disclosure or distribution of the material > in this e-mail is strictly forbidden. > > > - proIO GmbH - Geschäftsführer: Swen Brüseke Sitz der Gesellschaft: Frankfurt am Main USt-IdNr. DE 267 075 918 Registergericht: Frankfurt am Main - HRB 86239 Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail sind nicht gestattet. This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden.
