Cluster with Shared Nothing / no shared storage

[Molch]

Hey there,

im looking for a solution to create a cluster without a shared storage. sth like this is possible in hyper-v 2012 it´s called replica.


is it possible to manage this with proxmox too?


thx!

 

[spirit]

Hey there,

im looking for a solution to create a cluster without a shared storage. sth like this is possible in hyper-v 2012 it´s called replica.


is it possible to manage this with proxmox too?


thx!

you can use a ceph/rbd storage.(officialy supported by proxmox 2.3).
http://pve.proxmox.com/wiki/Storage:_Ceph
Or a sheepdog cluster.
http://pve.proxmox.com/wiki/Storage:_Sheepdog

 

[Molch]

you can use a ceph/rbd storage.(officialy supported by proxmox 2.3).
http://pve.proxmox.com/wiki/Storage:_Ceph
Or a sheepdog cluster.
http://pve.proxmox.com/wiki/Storage:_Sheepdog

I don`t want to use a "Shared Storage" Solution.

Isn`t Sheepdog n' Ceph a shared storage technology?

 

[dietmar]

Isn`t Sheepdog n' Ceph a shared storage technology?

No, that is distributed storage.

 

[Molch]

No, that is distributed storage.

so I guess Sheepdog is the way to go for me.


I tried the wiki tutorial but I got some errors like :


collie cluster format --copies=3
using backend farm store
Format failed: I/O error

and @ GUI

Apr 1 11:41:36 kvmsrv pvestatd[1860]: WARNING: sheepdog node info error: Cannot get information from any nodes

 

[dietmar]

so I guess Sheepdog is the way to go for me.

Sheepdog is not stable yet. I suggest you use ceph unless you want to actively develop sheepdog.

 

[Molch]

Sheepdog is not stable yet. I suggest you use ceph unless you want to actively develop sheepdog.

is there an update now?

 

[tom]

is there an update now?

sheepdog is not stable.
see http://www.osrg.net/sheepdog/

 

[spirit]

is there an update now?

Note that sheepdog 0.6 have a stable branch now
https://github.com/collie/sheepdog/wiki/Stable-branches

So, they will maintain it and backports fix.

The plan seem to be release a new sheepdog version following the qemu release cycle each 3 months.

I don't known if they plan to do big changes in a near future. (0.6 break the cluster format for example).

So, currently, it's stable, but your need to be carefull when you upgrade, check the release notes,etc....

 

[tom]

Note that sheepdog 0.6 have a stable branch now
https://github.com/collie/sheepdog/wiki/Stable-branches

So, they will maintain it and backports fix.

The plan seem to be release a new sheepdog version following the qemu release cycle each 3 months.

I don't known if they plan to do big changes in a near future. (0.6 break the cluster format for example).

So, currently, it's stable, but your need to be carefull when you upgrade, check the release notes,etc....

Thanks for clarification, but do not forget one important part - AFAIK you cannot get support for sheepdog (outside the community/dev lists). For ceph, you can commercial support and its used in production already at some places.

 

[Molch]

Hey there,

im looking for a solution to create a cluster without a shared storage. sth like this is possible in hyper-v 2012 it´s called replica.


is it possible to manage this with proxmox too?


thx!

Possible now?