[PVE-User] PRoxmox and ceph with just 3 server.

Gilberto Nunes gilberto.nunes32 at gmail.com
Fri Aug 31 00:21:28 CEST 2018


An HPE Server will remain after deploy 3 servers with proxmox and ceph.
I thing I will use this HPE server as 4th node!


---
Gilberto Nunes Ferreira

(47) 3025-5907
(47) 99676-7530 - Whatsapp / Telegram

Skype: gilberto.nunes36




2018-08-30 18:16 GMT-03:00 Ronny Aasen <ronny+pve-user at aasen.cx>:

> if HA is important, you should consider having a 4th ceph osd server (does
> not have to also be proxmox)
>
> with ceph's default of 3 replicas, that you will want to use in  a
> production setup, you do not have any failure domain.
> IOW the loss of any one node = a degraded ceph cluster.  if you have an
> additional node, ceph will rebalance and return to HEALTH_OK on the failure
> of a node.
>
> with vm's iops are important so you must keep latency to a minimum.
>
> both of these are explained a bit more in detail in the link he posted.
>
>
> kind regards
> Ronny Aasen
>
>
>
> On 30.08.2018 20:46, Gilberto Nunes wrote:
>
>> Hi Martin.
>>
>> Not really worried about highest performance, but to know if it will work
>> properly, mainly HA!
>> I plan work with mesh network too.
>>
>> Tanks a lot
>>
>> ---
>> Gilberto Nunes Ferreira
>>
>> (47) 3025-5907
>> (47) 99676-7530 - Whatsapp / Telegram
>>
>> Skype: gilberto.nunes36
>>
>>
>>
>>
>> 2018-08-30 15:40 GMT-03:00 Martin Maurer <martin at proxmox.com>:
>>
>> Hello,
>>>
>>> Not really. Please read in detail the following:
>>>
>>> https://forum.proxmox.com/threads/proxmox-ve-ceph-benchmark-
>>> 2018-02.41761/
>>>
>>>
>>> On 30.08.2018 16:47, Gilberto Nunes wrote:
>>>
>>> Hi there
>>>>
>>>> It's possible create a scenario with 3 PowerEdge r540, with Proxmox and
>>>> Ceph.
>>>> The server has this configuration:
>>>>
>>>> 32 GB memory
>>>> SAS 2x 300 GB
>>>> SSD 1x 480 GB
>>>>
>>>> 2 VM with SQL and Windows server.
>>>>
>>>> Thanks
>>>>
>>>> ---
>>>> Gilberto Nunes Ferreira
>>>>
>>>> (47) 3025-5907
>>>> (47) 99676-7530 - Whatsapp / Telegram
>>>>
>>>> Skype: gilberto.nunes36
>>>> _______________________________________________
>>>> pve-user mailing list
>>>> pve-user at pve.proxmox.com
>>>> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
>>>>
>>>>
>>>> --
>>> Best Regards,
>>>
>>> Martin Maurer
>>>
>>> martin at proxmox.com
>>> http://www.proxmox.com
>>>
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