OK, but "any" channel number does not change when using switch.
BTW: CU-host connection is limited to 8 channels.
--
Radoslaw Skorupka
Lodz, Poland
W dniu 2012-04-02 02:50, Mike Schwab pisze:
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.
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