I thought Escon was about 17 Mb/sec and the B11 drives were 9 Mb/sec. We have 2 A50's w/ 2 ESCON each with B1A drives, one has 4 drives, the other has 2, all in the same 3494. There isn't much difference in dump ET to any of the 6 drives, there a slight advantage to the A50 with only 2 drives, but I've always got something like 10-15%.
It may depend on whether software compression is happening. If it isn't then the channel will be the bottleneck. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
