[PVE-User] Ceph Performance

[Martin Maurer]

Hi,

a good start to get a feeling about expected performance, read this 
great paper from Redhat:

http://www.redhat.com/en/resources/red-hat-ceph-storage-clusters-supermicro-storage-servers

if you want to build a small three node cluster, you should use a intel 
3700 200 GB SSD for your journal. this SSD can be used as journal for 4 
or 5 OSD. but note, if this SSD fails, you loose all these OSDs - 
monitor health status.

if you have more budget, think of a SSD only setup (for OSDs).
use enterprise class SSDs, with powerloss protection.

best,

martin

On 28.09.2015 18:10, Tobias Kropf - inett GmbH wrote:
> Hi @ all
>
> i have a question to ceph.... we plan to build our own ceph cluster in
> datacenter. Can you tell me the performance statics from running ceph
> cluster with the same setup?
>
> We want to buy the follow setup:
>
> 3x Chassis with:
>
> CPUs: 2 x Intel E5-2620v3
> RAM: 64GB
> NIC: 2x10GBit/s CEPH, 4x1GBit/s
> HDD: 4x2TB SATA,1x80GB SSD - OS, 1x240GB SSD - Ceph Cache
>
> --
>
> Tobias Kropf
>
> Technik
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-- 
Best Regards,

Martin Maurer

martin at proxmox.com
http://www.proxmox.com

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