see below... > gary artim wrote: > > Hi Roger / All -- > > > > ls -la > > -rw-r--r-- 1 root root 8130652160 2008-04-08 11:07 sys.dump > > > > dd if=sys.dump of=/dev/null > > 15880180+0 records in > > 15880180+0 records out > > 8130652160 bytes (8.1 GB) copied, 28.5627 s, 285 MB/s > > > > I did the test you recommend and got the above. I think I could come > > close to flooding that interface. I was looking at the: > > So long as that was coming off of the disk, and you don't have enough ram that > some portion of it could be coming from the memory disk cache it is ok, on a > machine with more than 8GB of ram if you just made the file, and/or did several > tests there is a very high probability that all or part of it is coming from > cache and a meaningless test. This was an old dump I neglected to delete created 2008-04-08. > > > > > http://www.newegg.com/Product/Product.aspx?Item=N82E16816103066 > > > > $200.00 (1) Adaptec 2250300-R PCIe x 1 SCSI 29320LPE Kit - new scsi > > card to increase bandwidth on lto4 tape system. > > (my current card is U160/133 pci-x, but i have a PCIe x 1 free) > > Keep in mind that PCIe x 1 is 2.5 Gbit per second (around 250MByte/second), > actually slower than any typical PCIX slot at any speed (PCIX64 x 66 is 528MByte > per second), so you may not get much more than with the U160 card that you > started with. > Yes yes, I remember when I research the U160 card that the rates are quite good on pci-x. (da on me!) You've been a great help, thanks! Gary > > > > I haven't found any major problems searching the web on this card. Do > > you have a recommendation on a LSI card? > > So long as you stay with Adaptec or LSI and make sure that the driver is in the > default kernel (no add on drivers) you should be fine. > > > > > Thanks much for all you input, I'm mostly a lurker of the list, but > > I've learned mucho and keep reading and learing! > > > > -- Gary > > > > ------------------------------ -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
