Since some paths are online, the CHIPID and fiber are working.  Do you
have cascading FICON switches?  That can easily exceed the 256 paths.

If you have 4 cables between mainframe and switch, and 4 cables between 2

CPU-fiber-SW1-fiber-SW2-fiber-DASD
4 fiber * 4 fiber * 4 fiber = 64 (all work)
6 fiber * 6 fiber * 6 fiber = 216 (all work)
7 fiber * 7 fiber * 7 fiber = 343 (first 256 paths detected work)
5 fiber * 7 fiber * 7 fiber = 245 (all 256 work)
4 fiber * 8 fiber * 8 fiber = 256 (all 256 work)
(since different LPARs could have different CHIPID, the 4 8 8 could be
best case)

1 switch usually doesn't have the problem.
CPU-fiber-SW1-fiber-DASD
16 fiber * 16 fiber = 256 (all work)

On Tue, Jun 14, 2011 at 10:46 PM, jagadishan perumal
<jagadish...@gmail.com> wrote:
<deleted>
> /d m=chp(91) shows :
>
> IEE459I 09.09.33 DEVSERV PATHS 740
> UNIT DTYPE  M CNT VOLSER  CHPID=PATH STATUS
>     RTYPE   SSID CFW TC   DFW   PIN  DC-STATE CCA  DDC   ALT  CU-TYPE
> D701,33903 ,A,030,Z18RS2,81=+ 91=<
>     2105    0008  Y  YY.  YY.    N   SIMPLEX   01   01        2105
> ************************ SYMBOL DEFINITIONS ************************
> A = ALLOCATED                      + = PATH AVAILABLE
> < = PHYSICALLY UNAVAILABLE
> -D M=CHP(91)
>  IEE174I 09.10.36 DISPLAY M 174
>  CHPID 91:  TYPE=03, DESC=ESCON POINT TO POINT, ONLINE
>  DEVICE STATUS FOR CHANNEL PATH 91
>     0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
>  032 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  033 +  +  +  +  +  +  +  +  +  +  +  +  $  +  +  +
>  034 +  +  +  +  +  $  +  +  +  +  +  +  +  +  +  +
>  035 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  036 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  037 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  038 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  039 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  03A +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
>  03B +  +  .  .  .  .  .  .  .  .  .  .  .  .  .  .
>  D70 $  $  $  $  $  +  +  +  +  $  $  $  $  +  +  $
> D71 *  *  $  $  $  $  *  $  $  *  $  $  $  $  $  $
> D72 $  +  $  $  $  $  $  $  $  $  $  *  +  *  $  $
> D73 +  $  $  +  *  $  $  *  +  $  $  $  $  $  $  $
> D74 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
> D75 +  +  +  +  +  +  +  +  +  +  +  +  +  +  +  +
> D76 +  +  +  +  +  +  +  +  +  +  +  $  $  $  +  +
> D77 $  $  $  $  +  +  +  $  $  +  +  *  $  $  +  $
> D78 +  +  +  +  $  +  +  +  $  $  $  +  $  $  +  $
> D79 +  +  .  .  .  .  .  .  .  .  .  .  .  .  .  .
> D80 $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@
> D81 $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@ $@
> D82 $@ $@ $@ $@ .  .  .  .  .  .  .  .  .  .  .  .
> E40 +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@
> E41 +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@
> E42 +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@
> E43 +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@
> E44 +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@ +@
> E45 +@ .  .  .  .  .  .  .  .  .  .  .  .  .  .  .
> SWITCH DEVICE NUMBER = NONE
> PHYSICAL CHANNEL ID = 0171
> ************************ SYMBOL EXPLANATIONS ********************
> + ONLINE    @ PATH NOT VALIDATED   - OFFLINE    . DOES NOT EXIST
> * PHYSICALLY ONLINE   $ PATH NOT OPERATIONAL
<deleted>
-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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