[Gluster-users] Getting the best performance v lowest energy use and small form factor

[Thing]

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 <lindsay.mathieson at gmail.com>
wrote:

>
> On 4 November 2015 at 06:37, Thing <thing.thing at gmail.com> 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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