Am 13.07.16 um 14:27 schrieb Wido den Hollander:
>> 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.
True @re-export
> Still, 40GbE is a lot of bandwidth!
:) I know, but we have users which like to transfer e.g. raw movie
footage for a normal project which might be quick at 1TB and they dont
want to wait hours ;). Or others like to screen/stream 4K Video footage
raw which is +- 10Gb/second ... Thats the challenge :)
And yes our Ceph Cluster is well designed .. on the paper ;) SSDs
considered. With lot of helpful feedback from the List!!
I just try to find linux/ceph useres with 40Gb experiences :)
cheers . Götz
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