[Users] SIMFS users

[Bosson VZ]

Hello,

yes, we have 200+ containers all running on top of simfs in clusters. Most of 
the limitations of simfs mentioned above are not a problem to us as we use 
clustered LVMs on top of DRBD storage. Every container has its own file-system 
sitting on an LVM block device. This layout is universal for our OpenVZ and 
KVM guests (where a raw block device is passed to the guest). Different 
containers use different file-systems (ext4, xfs, nfs, ...), some containers 
share part of their file-system hierarchy with others in the cluster using 
ocfs2/gfs clustered file-systems. On non-cluster hosts, we sometimes use host-
>guest bind-mounts as the way to share some data. Thanks to DRBD, live 
migration is also possible with minimal downtime.

The bossonvz libvirt driver at the moment only supports simfs (as that's what 
we are using nowadays).

Is it somehow possible to use ploop in a cluster and share the virtual file-
system between hosts?

How can host->guest bind-mount be achieved without simfs?

-- 
David Fabian
Cluster Design, s.r.o.

Dne Út 21. července 2015 10:21:01, Sergey Bronnikov napsal(a):
> Hello,
> 
> we want find people who still use simfs for OpenVZ containers.
> Do we have such users?
> 
> Sergey B.
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