Hi, 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.
On 4 November 2015 at 10:41, Lindsay Mathieson <[email protected]> wrote: > > On 4 November 2015 at 06:37, Thing <[email protected]> wrote: > >> >> Looking at running a 2 node gluster setup to feed a small Virtualisation >> setup. I need it to be low energy use, low purchase cost and small form >> factor so I am looking at 2 mini-itx motherboards. >> >> Does anyone know what sort of throughput I can expect? ie I am looking >> for as good as a single drive in the VMare/kvm box but simply having >> redundancy for data protection and availability so nothing huge is required. > > > Well read throughput is going to depend entirely on your drives and > network, write through put almost certainly bound by your network. It > probably won't be as good as a single drive by itself - realtime > replication by its nature is going to be slower.. > > For your sort of setup I'd be looking at a ZFS setup, RAID1 or 10 if you > can afford it with a SSD read/write cache (easy with ZFS), it will have > pretty good performance and lots of extra goodies such as snapshots, > compression (very good), checksuming/bitrot detection. That in and of > itself with have data redundancy on the one PC. > > If you absolutely need redundancy across two PC's then you could setup a > 2nd ZFS server and use ZFS's builtin differential snapshots to replicate to > the 2nd server on a regular interval. > > > -- > Lindsay >
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