Aaron,

You gap doc will be mostly between ACS4.1(stable) and 4.2 (RC). With 4.2, we 
cover majority of needed features, except for "CLOUDSTACK-778, better vmsync" 
and usage of native vmware API calls to do maintenance mode and other tasks. I 
assume the next release post 4.3 will make it 98% vSphere compatible. 

Something undocumented I found, which needs to be documented and only applies 
to vSphere, if you management network is tagged, officially cloudstack does not 
support management tagged networks (due to some limitation with Xen). However 
with vSphere, tag can be defined in Traffic Label, for example "vSwitch0,1099". 
This is really helpful and unfortunately not documented anywhere for complex 
network layouts with vsphere. Also, vDs support only applies to public and 
guest networks.

Don't know how helpful this is, 

Regards
Ilya

-----Original Message-----
From: Aaron Delp [mailto:[email protected]] 
Sent: Wednesday, August 21, 2013 6:16 AM
To: [email protected]
Subject: Re: ACS HA with vSphere

Thank you both the responses and that is great.  I know VMware HA very well 
already and was just wondering if there was anything above and beyond in 
CloudStack.  What I'M thinking of doing is putting together some "gap"
documentation  that would enable an existing VMware admin come up to speed more 
quickly on ACS.  If I get brave and I like it I'Ll look into seeing if I can 
get it into the official ACS documentation if everyone finds it appropriate.  
Thank you!

Aaron Delp
Senior Director Technical Marketing, Cloud Platform Group [email protected] 
/ 919-561-7904
blog: aarondelp.com / twitter: @aarondelp





On 8/21/13 12:23 AM, "Shanker Balan" <[email protected]> wrote:

>Comments inline.
>
>On 21-Aug-2013, at 8:56 AM, Kirk Kosinski <[email protected]> wrote:
>
>> Hi, Aaron. For vSphere, CloudStack relies on native vSphere HA.  You 
>> must enable and configure HA in vSphere to use HA regardless of the 
>> configuration in CloudStack.  To understand the functionality of 
>> vSphere HA I suggest checking the vSphere docs.
>>
>> I'm not aware of documentation about using vSphere HA with CloudStack 
>> besides what is in the install and admin guides.  There may be things 
>> not mentioned in the official docs, such as global settings and 
>> bugs/gotchas.  Besides checking the vSphere docs, it would be useful 
>> to set it up in a lab and try it out.  If you have specific questions 
>> you can ask on the list and file doc bugs.
>
>
>+1 for the "set it up in a lab and try it out" first. It was during
>an actual lab test that I found KVM HA fail with Apache CloudStack 4.1 
>despite what the documentation claimed.
>
>FWIW, you never know what surprises are in store till you actually test 
>features that is critical to internal success criteria(s). CloudStack 
>codebase has had a lot of churn since it went open source and it is in 
>the user's best interest to validate CloudStack features/bugs with the 
>supporting documentation.
>
>Regards.
>
>--
>@shankerbalan
>
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