[PVE-User] Ceph or Gluster

[Angel Docampo]

On 22/04/16 12:42, Mohamed Sadok Ben Jazia wrote:
> Hello list,
> In order to set a high scalable proxmox infrastructure with a number of
> clusters, i plan to use distributed storing system, for this i have some
> questions.
> 1- I have a choice between Ceph and Gluster, which is better for proxmox.
We use gluster because we develop our custom translator for it, the 
disperse translator (now on the official branch), and we had tested 
gluster extensively since 5 years now. Is far from be perfect, but it 
works just fine and even it has its pros and cons, we like the 
simplicity to set up a cluster, and reinforced with ZFS, it gets a boost 
in performance.
> 2- Is it better to install one of those systems on the nodes or on
> separated servers.
The best practices says they should be on separated systems, but we have 
them on the same proxmox cluster. In our scenario, ZFS "eats" great part 
of the RAM, so we need to have a lot of it, depending on the size of the 
data of the volume (ZFS needs 1GB for each TB to be fine) and the number 
of VMs you want to put it on. At least 64GB, but 128GB should be fine.
> 3- Can this architecture realise a stable product, with VM and LXC
> migration (not live migration), store backups and snapshots, store iso
> files and lxc container templates.
Yes, no problem.
> Thank you
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*Angel Docampo
*
*Datalab Tecnologia, s.a.*
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