[PVE-User] sheepdog, btrfs and tests

Alexandre DERUMIER aderumier at odiso.com
Tue Oct 9 07:53:14 CEST 2012

Ceph is more stable for now.

about performance, we have benched : 
random io : 20.000iops on ceph and 40.000iops on sheepdog. (with ssd cluster)
seq bandwith: more than 10gigabit of bandwith for both

----- Mail original ----- 

De: "para zheng" <para.pve at gmail.com> 
À: "Fábio Rabelo" <fabio at fabiorabelo.wiki.br> 
Cc: "Flavio Stanchina" <flavio.stanchina at ies.it>, pve-user at pve.proxmox.com 
Envoyé: Mardi 9 Octobre 2012 03:17:52 
Objet: Re: [PVE-User] sheepdog, btrfs and tests 

Besides sheepdog, there is another file system, which name is ceph, is 
able to work with Proxmox. why not have a test with that? 

I have one doubt, and have not read any materials: between the two 
file system(sheepdog and ceph), which is more suitable for Proxmox? 
from the view of performance, stability and so on... 


2012/10/9 Fábio Rabelo <fabio at fabiorabelo.wiki.br>: 
> 2012/10/8 Flavio Stanchina <flavio.stanchina at ies.it> 
>> On 08/10/2012 19:36, Fábio Rabelo wrote: 
>> > The Storage ( not arrived yet ) will use either Freenas or Nas4Free , 
>> > with 
>> > 256 GB of RAM for 12 2TB hard disks, [...] 
>> > Here in Brasil, the additional cost of a Storage takes virtualization 
>> > away 
>> > from most of possible customers ... 
>> Ah, I wish I had that kind of storage here. If that's what you have to 
>> live 
>> with to keep costs down over there in Brasil, I think I'll propose to move 
>> the office near one of your sunny beaches before winter starts. Should be 
>> able to buy the storage and a couple of servers with the money we won't 
>> spend for heating! 
> Don't get too excited, it is one of 3 or at most 4 customers in my "pool" 
> that have this kind of budget ! 
> All the "rest" of the customers of mine do not have that kind of money to 
> spend on a Supermicro Storage . 
> It is for that people, 30 or 35 of then, that I thinking about a self 
> contained 3 node cluster, maybe with sheepdog ... 
> Fábio Rabelo 
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