On 4 November 2015 at 08:39, Thing <[email protected]> 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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