[PC-BSD Testing] ZFS Install comment.

Bill Leeper protagonist at charter.net
Mon Aug 18 20:29:21 PDT 2008


i can live with that explanation. I was just curious before as it was  
working great on my system with 2 GB and a 32 bit CPU. And it seems  
like a reasonable limit. Thanks for taking the time to clarify the  
issue.



On Aug 18, 2008, at 7:45 PM, Edward O'Callaghan wrote:

> OK well, I *still* think at least disable if <1GB RAM.
> else your get flooded with data corruptions and/or kernel panics as
> ZFS's IO pipe will stave the kernel of its memory and render the
> system unresponsive or in the worst case, just panic.
>
> I can't stress this any more ! Although 64Bit is just a
> recommendation. I feel >=1GB of RAM *should* be made a _requirement_ !
>
> I hope I am being very clear on this warning,
> Regards,
> Edward.
>
> 2008/8/19 Kris Moore <kris at pcbsd.com>:
>> Edward O'Callaghan wrote:
>>> Hi,
>>>
>>> I don't post much however I do still follow ;) .
>>>
>>> In regards to people having problems with ZFS.
>>>
>>> I think the PC-BSD install should do;
>>>
>>> * Check RAM >=1GB.
>>> * check for 64Bit CPU.
>>> else 'grey out' the use ZFS option in the Installer with a comment  
>>> like;
>>> 'RAM too low <1GB Found.'
>>> 'CPU is not 64Bit.'
>>> Or both of the above.
>>>
>>> Thanks for your time,
>>> Edward O'Callaghan.
>>> OpenSolaris developer and Blastwave maintainer.
>>>
>>
>> Right now I have been able to use ZFS on my older Athlon (32bit)  
>> system
>> with 2GB of ram just fine.
>>
>> Since ZFS is not enabled by default, unless the user chooses "enable
>> ZFS" during bootup, I was planning on putting something in the  
>> README /
>> Docs about this, and recommending that the system have at minimum  
>> 2GB of
>> ram, and preferably a 64bit system. However, I don't want to  
>> disable it
>> if somebody wants to try it out on a lesser system, since it does  
>> seem
>> to work OK in some cases.
>>
>>
>> --
>>
>> Kris Moore
>> PC-BSD Software
>> http://www.pcbsd.com
>> _______________________________________________
>> Testing mailing list
>> Testing at lists.pcbsd.org
>> http://lists.pcbsd.org/mailman/listinfo/testing
>>
>
>
>
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> Edward O'Callaghan.
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