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From Chiradeep Vittal <>
Subject Re: vmware HA
Date Wed, 31 Oct 2012 05:49:13 GMT
In general the native HA offered by the hypervisor manager (XenServer pool
master, Vmware HA) is going to be a superior and better tested solution
than what CloudStack can achieve.
This was a conscious decision to let the burden of HA fall on the
subsystem that best knows about it.
For KVM, there is not yet (oVirt looks promising) a native solution.
For XenServer, you need XS Advanced edition or above for native HA, so it
was implemented in CloudStack. But the native HA solution is likely to
cover more cases.

On 10/30/12 6:41 PM, "Mathias Mullins" <> wrote:

>VMware allows for the ability to enable HA on every node individually on
>whether it will participate in the HA fail-over in the cluster. So by
>default CloudStack wouldn't be able to turn it on at the cluster level
>automatically without having to configure it down to each node in the
>cluster. So I can see where it's not as automatic.
>Maybe one of the developers can elaborate if it will be in Campo since
>they'll be supporting DRS functionality.
>On Oct 30, 2012, at 9:26 PM, "Lucy" <> wrote:
>> I'm just confused by why we must enable HA in VMware cluster from
>>vSphere Client?
>> However,after testing,we find for xenserver and kvm hypervisor,we can
>>use HA by only enable HA in cloudstack,needn't to open HA in hypervisor.
>> Thanks,
>> Lucy
>> -----邮件原件-----
>> 发件人: Mice Xia []
>> 发送时间: 2012年10月29日 9:46
>> 收件人:
>> 主题: RE: vmware HA
>> Yes, you have to enable HA in VMware cluster from vSphere Client.
>> Regards
>> Mice
>> -----Original Message-----
>> From: zhiqing wu []
>> Sent: Monday, October 29, 2012 9:34 AM
>> To:
>> Subject: Re: vmware HA
>> And for VMWare's hypervisor,if we want to use HA function in
>> cloudstack,does it mean we must also open HA function in VMWare?
>> 2012/10/26 Abhinandan Prateek <>
>>> For VMWare cloudstack depends on its native HA.
>>> Can you be more specific as to what you mean by HA enabled Cloudstack
>>>? DO
>>> you mean HA service offering ?
>>> -abhi
>>> On 26/10/12 8:19 AM, "zhiqing wu" <> wrote:
>>>> Hi:
>>>> everyone,I want to know,in the vmware environment,cloudstack HA
>>>> function,
>>>> whether depend on the vmware HA?  If HA is enabled  in Cloudstack,
>>>>HA is
>>>> enabled or disabled for Vsphere?
>>>> thanks in advance!!

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