On Fri, Apr 15, 2005 at 07:58:34AM -0700, Ryan Castellucci wrote: > I'm using 4 SATA hard drives on a SYBA SD-SATA-4P SATA card (Silicon Image > SIL3114A chipset) and I'm only getting 17MB/sec with hdparm -t on the drives, > and cpu utilization goes up to 100% while the test is going on. I'm running > this from knoppix 3.8, using 2.6.11. >
I saw very similar performance with a SIL3112 chipset on a $20 card. When I replaced the card with a Promise card, performance/cpu usage went back to normal. The SIL worked fine with 1 drive, but not with 2. > Anyone got any ideas? Does this SATA chipset just suck, or is something set > wrong? > I'd say the chipset sucks, but at work I have some 3114s that work just fine, albeit they're embedded into higher end motherboards, so... perhaps the bad combination of the chipset and a cheap card makes >1 drive usage suck. -Gabe _______________________________________________ vox-tech mailing list [email protected] http://lists.lugod.org/mailman/listinfo/vox-tech
