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REACT -- 6700 / 3500 configuration routines: What causes "Could not Access MSC" message?


The problem will only pertain to customers still using the old 6700 / 3500 configuration routines.


The old REACT application used semaphore flags (files) to control whether or not a resource was busy.  There is a file that is used to control the availability of the MSC / MSP process (Multi-Session Controller / Multi-Session Process).   That semaphore is called  tty09.

The most likely cause of the message "Could Not Access MSC"  is that tty09 does not exist or it is hung in the busy directory.  To check for these conditions, do the following:
1)      Log into the REACT host having the problem as HLISYS
2)      Issue: “cd /hekimian/react/busy”
3)      Issue: “ls –lart”
3a)    Is there a file called ltty09 present (note the presence of the “L” in front of the tty09) ?
         if so, ltty09 is hung; remove it with "rm ltty09” and retry accessing the site.
3b)   If there is no file called ltty09 present, continue to step 4.
4)      Issue: “cd ../semaphore”
5)      Issue: “ls -lart tty0*” 
5a)  is there a file called tty09?  If not, create one with "touch tty09"  and retry accessing the site.
Below is an example of how it normally looks where:
 tty09 is present in the /hekimian/react/semaphore directory and
ltty09 is not present in the /hekimian/react/busy directory.
$ cd /hekimian/react/busy
$ ls -lart
total 48
drwxrwsr-x    2 hlisys   staff           512 Jun 01 00:05 .
drwxrwxrwx   17 hlisys   staff         16896 Jun 07 00:05 ..
$ cd ../semaphore
$ ls -lart tty0*
-rw-rw-rw-    1 root     staff             1 May 18 2004 tty03
-rw-rw-rw-    1 root     staff             1 May 18 2004 tty07
-rw-rw-rw-    1 root     staff             1 May 18 2004 tty06
-rw-rw-rw-    1 root     staff             1 May 18 2004 tty05
-rw-rw-rw-    1 root     staff            55 Jul 14 2004 tty08
-rw-rw-rw-    1 root     staff            55 Feb 14 14:07 tty09
-rw-rw-rw-    1 root     staff            55 Feb 14 14:07 tty01
-rw-rw-rw-    1 root     staff            55 Apr 01 10:48 tty04
-rw-rw-rw-    1 hlisys   staff            50 May 28 13:23 tty02