Because that is how the paths are counted. A particular I/O command could come in on any Ficon channel, and leave on any FIcon channel.
On Sun, Apr 1, 2012 at 3:50 PM, R.S. <[email protected]> wrote: > Why do you multiply the connection? And why the number of logical paths > should affect connectivity? Number of logical paths is almost always related > to CU electronics and it is independent of switch used - it is the same > with and without switch or switches. Radoslaw Skorupka Lodz, Poland W dniu > 2012-04-01 21:40, Mike Schwab pisze: > One complication is the > multiplication of paths 256 is the limit. > And whatever delay that occurs > in each switch. > (zSeries)16Ficon(McData)16Ficon(DS8000) is 16*16=256 > paths. > (zSeries)4Ficon(Mcdata)8Ficon(McData)8Ficon(DS8000) is 4 * 8 * 8 = > 256 paths. > > (zSeries)4Ficon(Mcdata)4Ficon(McData)4Ficon(McData)4Ficon(DS8000) is 4 > * 4 > * 4 * 4 = 256 paths. > > (zSeries)2Ficon(Mcdata)2Ficon(McData)2Ficon(McData)2Ficon(Mcdata)2Ficon(McData)2Ficon(McData)2Ficon(McData)2Ficon(DS8000) >> is 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2= 256 paths. -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
