[sheepdog-users] Multiple storage clusters per node

[Walid Moghrabi]

Hi everyone, 


I'm definitely found of Sheepdog, this is great and this is exactly what I need and it works extremely well with ProxMox. 
I experimented a lot with a ProxMox cluster running Sheepdog 0.8 and qemu 1.7 in our lab and it is really impressive. 


Now, we would like to deploy this solution to replace our beta environment on a brand new 3 nodes ProxMox cluster running on dedicated servers at OVH (a french hosting company). 


These nodes are identical and using this local storage layout : 


Hardware RAID with LSI Logic MegaRAID controler with 1GB BBU onboard memory. 
On this controler are defines 2 RAID volumes : 
* one RAID1 volume with 2x3TB SATA III mechanical hard drives 
* one RAID0 volume with 2x300GB SATA III Intel S3500 SSD drives 


Our will is to create 2 Sheepdog storage clusters on these nodes : 
* one "small but fast" using only SSD drives 
* one "big but slow" using only mechanical SATA drives 


We don't want to mix storage types to make on big sheepdog storage, we really want separated servers. 


I tried different settings but I can't do that, I always end with one mixed storage even if I run 2 different sheepdog servers binded on different ports or IPs and using different rootdirs, pids, ... 


Whatever I try, I'm stuck with one volume only. 


So here are my questions : 


* Is it possible to have multiple storage instances per nodes ? 
* If so, how ? 


For now I'm stuck and I really don't know where to go now :( 


Best regards, 


Walid Moghrabi 
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