Re: KVM HA

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RHEV is a cloud solution with some HA features. It is not an actual HA
solution.

digimer

On 23/06/16 12:08 AM, Eero Volotinen wrote:
> How about trying commercial RHEV?
> 
> Eero
> 22.6.2016 8.02 ap. "Tom Robinson" <tom.robinson@xxxxxxxxxxxx> kirjoitti:
> 
>> Hi,
>>
>> I have two KVM hosts (CentOS 7) and would like them to operate as High
>> Availability servers,
>> automatically migrating guests when one of the hosts goes down.
>>
>> My question is: Is this even possible? All the documentation for HA that
>> I've found appears to not
>> do this. Am I missing something?
>>
>> My configuration so fare includes:
>>
>>  * SAN Storage Volumes for raw device mappings for guest vms (single
>> volume per guest).
>>  * multipathing of iSCSI and Infiniband paths to raw devices
>>  * live migration of guests works
>>  * a cluster configuration (pcs, corosync, pacemaker)
>>
>> Currently when I migrate a guest, I can all too easily start it up on both
>> hosts! There must be some
>> way to fence these off but I'm just not sure how to do this.
>>
>> Any help is appreciated.
>>
>> Kind regards,
>> Tom
>>
>>
>> --
>>
>> Tom Robinson
>> IT Manager/System Administrator
>>
>> MoTeC Pty Ltd
>>
>> 121 Merrindale Drive
>> Croydon South
>> 3136 Victoria
>> Australia
>>
>> T: +61 3 9761 5050
>> F: +61 3 9761 5051
>> E: tom.robinson@xxxxxxxxxxxx
>>
>>
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>> https://lists.centos.org/mailman/listinfo/centos
>>
>>
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-- 
Digimer
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What if the cure for cancer is trapped in the mind of a person without
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