[PVE-User] Proxmox per VM memory limit

[Woods, Ken A (DNR)]

I see.  I wonder if that person was confused. 
XenServer does have a 1TB limit. 

(But, I’m not staff for them, either. )


> On Oct 2, 2018, at 18:32, Gilberto Nunes <gilberto.nunes32 at gmail.com> wrote:
> 
> Because somebody told me that Proxmox could not address more than 1TB.
> Never mind!
> 
> ---
> Gilberto Nunes Ferreira
> 
> (47) 3025-5907
> (47) 99676-7530 - Whatsapp / Telegram
> 
> Skype: gilberto.nunes36
> 
> 
> 
> 
> 
> Em ter, 2 de out de 2018 às 22:23, Woods, Ken A (DNR) <ken.woods at alaska.gov>
> escreveu:
> 
>> 
>> I'm not a staff member.  Just a warning--I might be totally wrong about
>> all this.  Or...not.
>> 
>> IIRC, the coded limit is 4TiB per VM (I think there's a QEMU imposed limit
>> at 42 bits...somebody correct me if I'm wrong.) Which gets into a whole big
>> off-topic discussion about address paths and the size of page tables and
>> their structure, so....yeah.  Anyway.
>> 
>> I'm going to guess (given your recent posts) that you don't have that much
>> available on the hosts, so Mark's answer is still correct--it's as much as
>> you have in your hosts.
>> 
>> So we can *all* bypass some back and forth:  Are you *really* trying to
>> ask about memory over-commitment?
>> If so, the short answer is "Please don't do that if you care about
>> stability, which we know you do. Use ballooning."
>> If not, please ask the question behind "how much memory can I allocate to
>> a VM?"
>> In short:  Why are you asking?
>> 
>> kw
>> 
>> 
>> -----Original Message-----
>> From: pve-user [mailto:pve-user-bounces at pve.proxmox.com] On Behalf Of
>> Gilberto Nunes
>> Sent: Tuesday, October 02, 2018 4:45 PM
>> To: PVE User List
>> Subject: Re: [PVE-User] Proxmox per VM memory limit
>> 
>> Good. Nice to hear that.
>> But I need someone in the Proxmox staff could answer the question... Just
>> to be more accurate about it.
>> Thanks
>> 
>> Em ter, 2 de out de 2018 17:53, Mark Adams <mark at openvs.co.uk> escreveu:
>> 
>>> assuming the OS in the VM supports it, as much as the host hardware
>>> can support (no limit).
>>> 
>>> On Tue, 2 Oct 2018 at 19:35, Gilberto Nunes
>>> <gilberto.nunes32 at gmail.com>
>>> wrote:
>>> 
>>>> Hi there!
>>>> 
>>>> How many memory per VM I get in PVE?
>>>> Is there some limit? 1 TB? 2 TB?
>>>> Just curious
>>>> 
>>>> Thanks
>>>> ---
>>>> Gilberto Nunes Ferreira
>>>> 
>>>> (47) 3025-5907
>>>> (47) 99676-7530 - Whatsapp / Telegram
>>>> 
>>>> Skype: gilberto.nunes36
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