[pve-devel] pve-storage : rbd : add support for krbd

Alexandre DERUMIER aderumier at odiso.com
Wed Nov 12 14:50:38 CET 2014


>>But this is a bug inside librbd, so they should fix it there?

Yeah, I'll discuted about this with ceph devs today, at the weekly performance meeting.
http://pad.ceph.com/p/performance_weekly.




>>And this does not work with our 2.6.32 kernel... 
That's why I set it as optionnal feature. could be use for some vms with high ios need.


----- Mail original ----- 

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre Derumier" <aderumier at odiso.com>, pve-devel at pve.proxmox.com 
Envoyé: Mercredi 12 Novembre 2014 14:44:42 
Objet: RE: [pve-devel] pve-storage : rbd : add support for krbd 

> Cpu usage is 4x lower than librbd, so it's possible to reach a lot more iops (I have 
> benched 100000 iops with mutiple iothreads). 

But this is a bug inside librbd, so they should fix it there? 
And this does not work with our 2.6.32 kernel... 



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