Miguel, On 3/20/06 1:12 PM, "Miguel" <mmiranda@xxxxxxxxxx> wrote: > i dont know, how can i check? No matter - it's the benchmark that would tell you, it's probably "access time" that's being measured even though the text says "seek time". The difference is that seek time represents only the head motion, where access time is the whole access including seek. Access times of 4.5ms are typical of a single 10K RPM SCSI disk drive like the Seagate barracuda. >> Transfer rates: >> outside: 102400 kbytes in 2.075984 sec = 49326 kbytes/sec >> middle: 102400 kbytes in 2.100510 sec = 48750 kbytes/sec >> inside: 102400 kbytes in 2.042313 sec = 50139 kbytes/sec >> > I have 6 ultra a320 72G 10k discs Yah - ouch. With 6 drives in a RAID10, you should expect 3 drives worth of sequential scan performance, or anywhere from 100MB/s to 180MB/s. You're getting from half to 1/3 of the performance you'd get with a decent raid controller. If you add a simple SCSI adapter like the common LSI U320 adapter to your DL380G3 and then run software RAID, you will get more than 150MB/s with less CPU consumption. I'd also expect you'd get down to about 2ms access times. This might not be easy for you to do, and you might prefer hardware RAID adapters, but I don't have a recommendation for you there. I'd stay away from the HP line. - Luke
