Stephen Harris napsal(a): > On Tue, Jan 23, 2007 at 04:38:27PM +0100, David Hrb???? wrote: > >> Timing buffered disk reads: 70 MB in 3.03 seconds = 23.14 MB/sec > > That's pretty slow. Comparing to traditional EIDE disks, that's around > UDMA2 speeds (a UDMA2 disk on a Dell P3-800 gives 20MB/sec). My USB2 > enclosures are faster than that (30MB/sec on a Shuttle AMD-2500). well, 4x old (4-5 yrs) PATA disks on old 2x channel FastTrak PCI controller, so results, so results more less expected >> Timing buffered disk reads: 146 MB in 3.02 seconds = 48.35 MB/sec > > That's closer to UDMA5 speeds (approx 55MB/sec on both machines). > > All in all, not very impressive! yes, about 20% lower... Well, I did not make computer specification :o), my first thought was to throw it away, but then I took it as challenge to make it run. On, I forgot to mention, RAID5 on PATA was rebuilding and data has been copied on during the test. David