cloudstack-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mike Tutkowski <mike.tutkow...@solidfire.com>
Subject Re: Hypervisor Questions
Date Wed, 02 Oct 2013 00:35:13 GMT
Thanks, Clayton!

Yeah, copy/paste mistake there. :) I meant it as you said.


On Tue, Oct 1, 2013 at 4:54 PM, Clayton Weise <cweise@keyinfo.com> wrote:

> First, I think you meant to put XenServer, KVM, and VMware and not
> XenServer 3 times in a row.  That being said I think in all cases (somebody
> correct me if I'm wrong here) it goes something like this:
>
> Live Migration: Request is made by CS but carried out by the HV.
> High Availability: More accurately it's "recovery after host failure"
> because it's still a disruptive action when a host goes sideways, but by
> default this is handled by CS.  I _think_ there's an option to let the HV
> handle this but I'm not totally sure.
> DRS: Managed by CS through one of several methods with the global setting
> vm.allocation.algorithm (see below)
>
> 'random', 'firstfit', 'userdispersing', 'userconcentratedpod_random',
> 'userconcentratedpod_firstfit' : Order in which hosts within a cluster will
> be considered for VM/volume allocation.
>
> That being said, after deployment there isn't any further DRS monitoring;
> it's only done at the time an instance is instantiated.
>
> -Clayton
>
> -----Original Message-----
> From: Mike Tutkowski [mailto:mike.tutkowski@solidfire.com]
> Sent: Tuesday, October 01, 2013 3:00 PM
> To: dev@cloudstack.apache.org
> Subject: Hypervisor Questions
>
> Hi,
>
> I was wondering if people could clarify for me what CloudStack manages
> versus what the hypervisor manages in terms of live migration, high
> availability, and distributed resource scheduling?
>
> I know it is probably different for XenServer, VMware, and KVM.
>
> Can people fill in the info below (managed by the management server, the
> hypervisor, or some combination of both)?
>
> XenServer
>    Live migration:
>    High availability:
>    Distributed Resource Scheduling:
>
> XenServer
>    Live migration:
>    High availability:
>    Distributed Resource Scheduling:
>
> XenServer
>    Live migration:
>    High availability:
>    Distributed Resource Scheduling:
>
> Thanks!
>
> --
> *Mike Tutkowski*
> *Senior CloudStack Developer, SolidFire Inc.*
> e: mike.tutkowski@solidfire.com
> o: 303.746.7302
> Advancing the way the world uses the
> cloud<http://solidfire.com/solution/overview/?video=play>
> *(tm)*
>



-- 
*Mike Tutkowski*
*Senior CloudStack Developer, SolidFire Inc.*
e: mike.tutkowski@solidfire.com
o: 303.746.7302
Advancing the way the world uses the
cloud<http://solidfire.com/solution/overview/?video=play>
*™*

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message