about thumper aka sun fire x4500

[Rainer Duffner]

Am 17.01.2012 um 23:09 schrieb Jeremy Chadwick:

> On Tue, Jan 17, 2012 at 06:59:08PM +0100, peter h wrote:
>> I have been beating on of these a few days, i have udes freebsd 9.0 and 8.2
>> Both fails when i engage > 10 disks, the system craches and messages :
>> "Hyper transport sync flood" will get into the BIOS errorlog ( but nothing will
>> come to syslog since reboot is immediate)
>> 
>> Using a zfs radz of 25 disks and typing "zpool scrub" will bring the system down in seconds.
>> 
>> Anyone using a x4500 that can comfirm that it works ? Or is this box broken ?
> 
> I do not have one of these boxes / am not familiar with them, but
> HyperTransport is an AMD thing.  The concept is that it's a bus that
> interconnects different pieces of a system to the CPU (and thus the
> memory bus).  ASCII diagram coming up:



Not exactly:

http://www.c0t0d0s0.org/archives/1792-Do-it-yourself-X4500.html


At the time, there was no similar board on the market, AFAIK.
I haven't looked, but I think it should be easier to get one today...