On Mon, May 13, 2013 at 09:30:38PM +0200, Tim Mohlmann wrote:
> Hi,
>
> Ok, thanks for al the info.
>
> Just "fyi", I am a mechanical / electrical marine service engineer. So
> basicly
> I think in Pressure, Flow, Contents, Voltage, (mili)amps, power and torque.
> So
> I am just trying to rel
Hi,
Ok, thanks for al the info.
Just "fyi", I am a mechanical / electrical marine service engineer. So basicly
I think in Pressure, Flow, Contents, Voltage, (mili)amps, power and torque. So
I am just trying to relevate it to the same prinicple. Hence my questions. I
am certainly not a noob in
On 2013-05-12 08:34, Tim Mohlmann wrote:
As for choking the backplane: That would just slow things down a bit, am I
right?
A bit, a lot, or not at all -- I think IRL you'll have to test it under
your workload and see.
[ WD performance ]
Did not know that. Do you have any references. Does
On Sun, May 12, 2013 at 10:22:10PM +0200, Tim Mohlmann wrote:
> Hi,
>
> On Sunday 12 May 2013 18:05:16 Leen Besselink wrote:
>
> >
> > I did see you mentioned you wanted to have, many disks in the same machine.
> >
> > Not just machines with let's say 12 disks for example.
> >
> > Did you know
Hi,
On Sunday 12 May 2013 18:05:16 Leen Besselink wrote:
>
> I did see you mentioned you wanted to have, many disks in the same machine.
>
> Not just machines with let's say 12 disks for example.
>
> Did you know you need the CPU-power of a 1Ghz Xeon core per OSD for the
> times when recovery
On Sun, May 12, 2013 at 03:14:15PM +0200, Tim Mohlmann wrote:
> Hi,
>
> On Saturday 11 May 2013 16:04:27 Leen Besselink wrote:
>
> > Someone is going to correct me if I'm wrong, but I think you misread
> > something.
> >
> >
> > The Mon-daemon doesn't need that much RAM:
> >
> > The 'RAM: 1 GB
Hi,
On Saturday 11 May 2013 16:22:15 Dimitri Maziuk wrote:
> SuperMicro has a new 4U chassis w/ 72x3.5" drives (2/canister). You can
> double the number of drives. (With faster drives you may be getting
> close to chocking the expander backplane, though.)
Just checked their site and those are awes
Hi,
On Saturday 11 May 2013 16:04:27 Leen Besselink wrote:
> Someone is going to correct me if I'm wrong, but I think you misread
> something.
>
>
> The Mon-daemon doesn't need that much RAM:
>
> The 'RAM: 1 GB per daemon' is per Mon-daemon, not per OSD-daemon.
>
Gosh, I feel embarresed. This
On 05/11/2013 08:42 AM, Tim Mohlmann wrote:
> Each OSD server uses 4U and can take 36x3.5" drives. So in 36U I can put
> 36/4=9 OSD servers, containing 9*36=324 HDDs.
SuperMicro has a new 4U chassis w/ 72x3.5" drives (2/canister). You can
double the number of drives. (With faster drives you may
Hi,
Someone is going to correct me if I'm wrong, but I think you misread something.
The Mon-daemon doesn't need that much RAM:
The 'RAM: 1 GB per daemon' is per Mon-daemon, not per OSD-daemon.
The same for disk-space.
You should read this page again:
http://ceph.com/docs/master/install/hardwa
Hi,
First of all I am new to ceph and this mailing list. At this moment I am
looking into the possibilities to get involved in the storage business. I am
trying to get an estimate about costs and after that I will start to determine
how to get sufficient income.
First I will describe my case,
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