HAST + ZFS + NFS + CARP

[Joe Love]

> On Jul 1, 2016, at 6:09 AM, InterNetX - Juergen Gotteswinter <jg at internetx.com> wrote:
> 
> Am 01.07.2016 um 12:57 schrieb Julien Cigar:
>> On Fri, Jul 01, 2016 at 12:18:39PM +0200, InterNetX - Juergen Gotteswinter wrote:
>> 
>> of course I'll test everything properly :) I don't have the hardware yet
>> so ATM I'm just looking for all the possible "candidates", and I'm 
>> aware that a redundant storage is not that easy to implement ...
>> 
>> but what solutions do we have? It's either CARP + ZFS + (HAST|iSCSI), 
>> either zfs send|ssh zfs receive as you suggest (but it's
>> not realtime), either a distributed FS (which I avoid like the plague..)
> 
> zfs send/receive can be nearly realtime.
> 
> external jbods with cross cabled sas + commercial cluster solution like
> rsf-1. anything else is a fragile construction which begs for desaster.

This sounds similar to the CTL-HA code that went in last year, for which I haven’t seen any sort of how-to.  The RSF-1 stuff sounds like it has more scaling options, though.  Which it probably should, given its commercial operation.

-Joe