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RE: RHEV Manager


In documentation I read that a System Scheduler is a feature of RHEV Manager, I read it can migrate VM according to workload, but the system scheduler can run virtual machine on demand ? For example on Monday It run 5 vm automatically is it possible to schedule this kind of rules ?


-----Message d'origine-----
De : redhat-list-bounces redhat com [mailto:redhat-list-bounces redhat com] De la part de Manuel Fernando Aller
Envoyé : mercredi 4 août 2010 19:47
À : General Red Hat Linux discussion list
Objet : Re: RHEV Manager

2010/8/4 LE PALLEC Kevin <KLEPALLEC sigma fr>

> Thanks for your help
> - regards schedule policie about automatic provisioning, I want to 
> know if a scheduler is a part of RHEV Manager to automate some rules 
> such as on Monday run 5 virtual machine in more in order to handle the workload.

No, you can live migrate virtual machines between hypervisors measuring the load of the hypervisors (manager do), and you can overcommit memory and processors (defining machines crosing over the limits of real hardware), so if you spect growing workload for one day, you can provide more hypervisors to balance the system in that day.

- regards monitoring, I want to know if it possible to monitore RHEV
> Manager: I don't know if RHEV Manager can alert about virtual machine 
> state but if if the case it is possible to use or other software to 
> get back these alerts ?

until the manager knows the state of any virtual machine (including load, io, etc), I don't know how they communicate, so I can't say how you can read this info (maybe you want search vdsm, libvirt and qumranet on google). On the other hand, virtualized systems are systems, so you can monitor that with nagios or whatever you want.

Manuel Fernando Aller
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