> Fun exercise! :)
>
Indeed! - though my wife and kids don't seem to appreciate it so much  ;)


>> I'm thinking about using this 26-disk case:  [FYI: 2-disk RAID1 for 
>> the OS & 4*(4+2) RAIDZ2 for SAN]
>
> What are you *most* interested in for this server? Reliability? 
> Capacity? High Performance? Reading or writing? Large contiguous reads 
> or small seeks?
>
> One thing that I did that got a good feedback from this list was 
> picking apart the requirements of the most demanding workflow I 
> imagined for the machine I was speccing out.
My first posting contained my use-cases, but I'd say that video 
recording/serving will dominate the disk utilization - thats why I'm 
pushing for 4 striped sets of RAIDZ2 - I think that it would be all 
around goodness


> I'm learning more and more about this subject as I test the server 
> (not all that dissimilar to what you've described, except with only 18 
> disks) I now have. I'm frustrated at the relative unavailability of 
> PCIe SATA controller cards that are ZFS-friendly (i.e., JBOD), and the 
> relative unavailability of motherboards that support both the latest 
> CPUs as well as have a good PCI-X architecture.
Good point - another reply I just sent noted a PCI-X sata controller 
card, but I'd prefer a PCIe card - do you have a recommendation on a 
PCIe card?  As far as a mobo with "good PCI-X architecture" - check out 
the latest from Tyan (http://tyan.com/product_board_detail.aspx?pid=523) 
- it has three 133/100MHz PCI-X slots

> If you come across some potential solutions, I think a lot of people 
> here will thank you for sharing...
Will keep the list posted!


Thanks,
Kent





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