HAST + ZFS + NFS + CARP

[InterNetX - Juergen Gotteswinter]

Am 01.07.2016 um 16:39 schrieb Julien Cigar:
> On Fri, Jul 01, 2016 at 03:44:36PM +0200, InterNetX - Juergen Gotteswinter wrote:
>>
>>
>> Am 01.07.2016 um 15:18 schrieb 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.
>>
>> rsf is what pacemaker / heartbeat tries to be, judge me for linking
>> whitepapers but in this case its not such evil marketing blah
>>
>> http://www.high-availability.com/wp-content/uploads/2013/01/RSF-1-HA-PLUGIN-ZFS-STORAGE-CLUSTER.pdf
>>
>>
>> @ Julien
>>
>> seems like you take availability really serious, so i guess you also got
>> plans how to accomplish network problems like dead switches, flaky
>> cables and so on.
>>
>> like using multiple network cards in the boxes, cross cabling between
>> the hosts (rs232 and ethernet of course, using proved reliable network
>> switches in a stacked configuration for example cisco 3750 stacked). not
>> to forget redundant power feeds to redundant power supplies.
> 
> the only thing that is not redundant (yet?) is our switch, an HP Pro 
> Curve 2530-24G) .. it's the next step :)

Arubas, okay, a quick view in the spec sheet does not seem to list
stacking option.

what about power?

> 
>>
>> if not, i whould start again from scratch.
>>
>>>
>>> -Joe
>>>
>>> _______________________________________________
>>> freebsd-fs at freebsd.org mailing list
>>> https://lists.freebsd.org/mailman/listinfo/freebsd-fs
>>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe at freebsd.org"
>>>
>> _______________________________________________
>> freebsd-fs at freebsd.org mailing list
>> https://lists.freebsd.org/mailman/listinfo/freebsd-fs
>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe at freebsd.org"
>