In message <sHUcb.17280$ XXXX@XXXXX.COM > - XXXX@XXXXX.COM ,
26 Sep 2003 10:39:20 GMT writes:
:>Trevor Hemsley writes:
:>>> As I recall, you need to have a 64-bit PCI
:>>> bus to take advantage of the Ultra 320 bandwidth, otherwise the PCI bus
:>>> is the bottlebeck.
:>> The same is true for U160 adapters. A standard 32 bit, 33MHz PCI bus
:>> has 132MB/sec bandwidth and overheads mean that only ~100MB/sec is
:>> useable. 160 > 100...
:>Meanwhile, my disk drives can sustain transfer rates only around
:>25 MB/sec, so in reality the disk drives are the bottleneck, unless
:>more than four are going simultaneously. The most I've had going
:>simultaneously is three, so far.
Therefore I can get similar performance for a single workstation with serial
ata, is that true? The big questions is if it worth it to invest in an U320
adapter and u320 drives for a single workstation.
Thank you both of you for your input.