Re: 40Gb fileserver/NIC suggestions

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> Op 13 juli 2016 om 12:00 schreef Götz Reinicke - IT Koordinator <goetz.reinicke@xxxxxxxxxxxxxxx>:
> 
> 
> Am 13.07.16 um 11:47 schrieb Wido den Hollander:
> >> Op 13 juli 2016 om 8:19 schreef Götz Reinicke - IT Koordinator <goetz.reinicke@xxxxxxxxxxxxxxx>:
> >>
> >>
> >> Hi,
> >>
> >> can anybody give some realworld feedback on what hardware
> >> (CPU/Cores/NIC) you use for a 40Gb (file)server (smb and nfs)? The Ceph
> >> Cluster will be mostly rbd images. S3 in the future, CephFS we will see :)
> >>
> >> Thanks for some feedback and hints! Regadrs . Götz
> >>
> > Why do you think you need 40Gb? That's some serious traffic to the OSDs and I doubt it's really needed.
> >
> > Latency-wise 40Gb isn't much better than 10Gb, so why not stick with that?
> >
> > It's also better to have more smaller nodes than a few big nodes with Ceph.
> >
> > Wido
> >
> Hi Wido,
> 
> may be my post was misleading. The OSD Nodes do have 10G, the FIleserver
> in front to the Clients/Destops should have 40G.
> 

Ah, the fileserver will re-export RBD/Samba? Any Xeon E5 CPU will do just fine I think.

Still, 40GbE is a lot of bandwidth!

Wido

> 
> OSD NODEs/Cluster 2*10Gb Bond ---- 40G Fileserver 40G ---- 1G/10G Clients
> 
>     /Götz
> 
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