On 4 November 2015 at 08:39, Thing <thing.thing@xxxxxxxxx> wrote:
Thanks but, your solution doesnt protect for a single PC hardware failure like a PSU blowing ie giving me real time replication to the 2nd site so I can be back up in minutes.
ZFS can be configured to replicate every few minutes - whether that is sufficient is dependant on your uptime and data loss requirements.
If you *must* have realtime redundancy then yes something like gluster or ceph is your only option. Gluster is easier to setup and maintain then ceph. Both of them are a lot more reliable if you have three nodes, two nodes is asking for trouble - split brain etc.
If you want some throughput estimates then we need more spec's:
- RAM
- CPU
- Hard Disks
- Network
- Overall Config
* Caching
* Bonding
* etc
- With a std 1GB ethernet, your writes will max out at around 110 MB/s
- Same for Reads, unless your VM Host is also your gluster node, in which case your reads will be a bit slower than your underlying file system access times
--
Lindsay
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