I believe the best solution for replication is GlusterFS, I have a working although I can never make cloudstack operate natively I use glusterfs and nfs-ganesha I'm sorry, my english
On Fri, Nov 17, 2017 at 7:48 AM, William Alianto <[email protected]> wrote: > Hi, > > Sorry for the late reply. So I summarized that NFS with DRDB is enough for > POC purpose but not recommended for large scale production, where ceph > would be more suitable. > > Thanks for the insight for this problem. > > -- > Regards, > > William > > > On 09-Nov-17 19:28:49, Ivan Kudryavtsev <[email protected]> wrote: > Hi. I wouldn't recommend go with HA NFS, because you have to use it in sync > mode which leads to poor performance. > > I suggest using ceph with ssd (or even optane for log devices), because > it's the thing which is supposed to be clustered and kvm "knows" how to use > it properly and handle node outages via librados. > > But, still, nfs sync over drbd and keepalived should work, but not a > scalable solution, of course. > > 9 нояб. 2017 г. 19:10 пользователь "Makrand" > написал: > > > Hi William, > > > > The HA capabilities for storage are offered by OS/Vendor you're using for > > storage. Different projects use a different solution for storage HA. (HA > > mostly a paid/premium affair). e.g. for one of the zone, we are using > LUNs > > coming from Hitachi storage array. Hitachi array is the enterprise-class > > thing which has HA built in. > > > > If you're just starting and want to test things. I would recommend using > > something like FreeNAS. This software-defined storage that caters ZFS. > ZFS > > offers a software RAID and has lots of features. Plus you can get both > > NFS/iSCSI. > > > > If you're having time in hand, try DRBD (DRBD just replicates the blocks > > from disk to disk over the network). You create highly available NFS (ACS > > supports both primary and sec on NFS. Just make sure you have sufficient > > network bandwidth between hypervisor hosts and storage system) cluster > > using DRBD on Linux. This would be a bit time consuming to set up. > > > > > > > > > > -- > > Makrand > > > > > > On Thu, Nov 9, 2017 at 9:41 AM, William Alianto wrote: > > > > > Hi, > > > > > > I'm currently still learning about ACS deployment. I have seen about > the > > > solution for HA management server and hypervisor, but I still don't > know > > > how to create HA storage cluster for Primary and Secondary storage. I > > would > > > think of making HA NFS storage using HA proxy or maybe using something > > like > > > Ceph Cluster. Would there be any better option for the HA storage > > solution? > > > > > > -- > > > Regards, > > > > > > William > > >
