[pve-devel] SSD only Ceph cluster

Alexandre DERUMIER aderumier at odiso.com
Sat Aug 30 17:57:45 CEST 2014


>>So this is a perfect fit, considering the current ceph limitations?

Yes, sure!


I known also that firefly have limitation in the read memory cache, around 25000iops by node.
Seem that master ceph git has resolved that too :)

Can't wait for Giant release :)



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

De: "Dietmar Maurer" <dietmar at proxmox.com> 
À: "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: "Michael Rasmussen" <mir at datanom.net>, pve-devel at pve.proxmox.com 
Envoyé: Samedi 30 Août 2014 17:06:23 
Objet: RE: [pve-devel] SSD only Ceph cluster 

> >>The Crucial MX100 provides 90k/85k IOPS. Those numbers are from specs, 
> >>so I am not sure if you can get that in reality? 
> 
> No, I think you can reach 90K maybe for some seconds when they are empty ;) 
> 
> check graph here: 
> http://www.anandtech.com/show/8066/crucial-mx100-256gb-512gb-review/3 
> 
> It's more around 7000iops 

So this is a perfect fit, considering the current ceph limitations? 


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