On Tuesday 29 December 2009 18:11:51 John R Pierce wrote: > Slack-Moehrle wrote: > > My 12 year old wants to learn more about servers and has memorized a lot > > of commands like ls, chmod, du, etc. He wants to have his own domain and > > server on the web and I have enough Static IP's, so why not foster this > > interest. > > > > I have an old ultra sparc 5. Are there any CentOS versions that support > > Sparc? > > the Ultra 5 (and its cousin the Ultra 10) is penalized by having a > programmed IO IDE channel which can transfer a max 6MB/sec at 100% CPU > bound. > > some technical details here, > http://sunsolve.sun.com/handbook_pub/validateUser.do?target=Systems/U5/U5&s > ource= > <http://sunsolve.sun.com/handbook_pub/validateUser.do?target=Systems/U5/U5 > &source=> > > Its supported by Solaris 10 but with a max of 512MB ram, you're not > going to get very far with ZFS. > > best thing you can do with those is get a LSI Logic/Symbios SCSI card > (gotta be 5V 33Mhz 32bit PCI card such as the 53C875 or '876), and use a > SCSI disk, this gets away from the PIO performance bottleneck, and > should be supported by the openboot rom as-is. if you remove the > floppy drive, you can get two HD's into a U5 chassis. That's a good suggestion, even old scsi drives are much faster than the ide disks and controller used in the Ultra5. Unfortunately we had some issues running two 7200rpm SCSI disks in a U5 - the poor little box would overheat. Peter. -- Censorship: noun, circa 1591. a: Relief of the burden of independent thinking.