[PVE-User] Proxmox per VM memory limit

dorsy dorsyka at yahoo.com
Wed Oct 3 09:33:59 CEST 2018


Since it is kvm, you can look at the kvm limits:

https://access.redhat.com/articles/rhel-kvm-limits

On 2018. 10. 03. 5:14, Woods, Ken A (DNR) wrote:
> 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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