[PVE-User] Sockets vs. Cores

2014-12-30 Thread sebast...@debianfan.de

Hallo  Guten Tag zusammen,

bislang benutze ich auf einer Maschine für die VM's 2 Sockets  2 Cores.

Dies ist vermutlich für die Maschine zu viel zugeteilte  ungenutzte 
Leistung.


Was wäre die nächstniedrigere Leistungsstufe - 1 Socket  2 Cores oder 2 
Sockets  1 Core ?


gruß  sorry für die noob-Frage ;-)

Sebastian
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Re: [PVE-User] Sockets vs. Cores

2014-12-30 Thread Wolfgang Link
Hi Sebastian,

pleas write in English, this is an English list.

normally it depends on your host system.
If you have only 1 socket the best for you is to use the cores and left the
socket on 1.

The socket is only interesting if you have an NUMA machine.

So to your question 3 Core would be the next step.

 On December 30, 2014 at 2:15 PM sebast...@debianfan.de 
sebast...@debianfan.de wrote:


 Hallo  Guten Tag zusammen,

 bislang benutze ich auf einer Maschine für die VM's 2 Sockets  2 Cores.

 Dies ist vermutlich für die Maschine zu viel zugeteilte  ungenutzte
 Leistung.

 Was wäre die nächstniedrigere Leistungsstufe - 1 Socket  2 Cores oder 2
 Sockets  1 Core ?

 gruß  sorry für die noob-Frage ;-)

 Sebastian
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Regards

Wolfgang
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[PVE-User] Does proxmox fiddle with the ceph host bucket?

2014-12-30 Thread Lindsay Mathieson
As per the subject :)

I was experimenting with setting up a SSD only pool as a prelim to setting up 
a cache tier.

I added the osd to ceph.conf

  [osd.2]
host = vnb

And added it to the crush map with host=vnb-sdd to stop it getting added to 
the default ruleset.

  ceph osd crush add osd.2 0 host=vnb-ssd root=ssd
  

That worked, though the osd list in the gui changed to:
  -[vnb-ssd]
 osd.2

and stopped showing vnb/osd.0  vng/osd.1

A pain, but liveable with.

However within a short while (minutes) osd.2 was moved from vnb-ssd to vnb 
which placed it in the default rulset.

Fortunately it had a weight of zero, otherwise I could have been looking at a 
long recovery.

The same thing happened with osd.3 that I had setup.

I don't believe ceph ever does this - could proxmox be setting the ceph host 
bucket values from ceph.conf?
-- 
Lindsay

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Re: [PVE-User] Does proxmox fiddle with the ceph host bucket?

2014-12-30 Thread Dietmar Maurer
 I don't believe ceph ever does this - could proxmox be setting the ceph host 
 bucket values from ceph.conf?

The proxmox GUI is only tested with default crush map. I don't think it will
work with
cache tiers.

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