RT11 V5.7 + RA92 = ?

From: CLASSICCMP_at_trailing-edge.com <(CLASSICCMP_at_trailing-edge.com)>
Date: Tue Nov 9 17:34:32 1999

>> Yep, it sure does. RT-11 will deal with drives up to 8 Gbytes by use of the
>> SET DUn:PART=nnn partitioning method. How you keep track of what's
>> in all 256 partitions is your business :-).

>And How you keep track of what's in all 256 partitions ?

Admittedly, keeping track of all those partitions can be dizzying
sometimes.

There are some handy "tricks" (I put that in quotes since many of
us RT-11 oldtimers have been doing these for years, and these are all
documented tools, but sometimes used for other purposes than to aid my
failing memory) for keeping volumes straight:

1. Use the /VOL qualifier when INITting the volume to put something
descriptive there. For example:

RT-11FB V05.07

.create junk.dsk[100]

.mou ld4 junk.dsk

.init ld4:/vol
LD4:/Initialize; Are you sure? Y
Volume ID? Descriptive
Owner? Information

2. If you've done (1) above, then you can use the /VOL qualifier on DIR
to remind yourself what's on that partition:

.dir/vol ld4:
 09-Nov-1999
 Volume ID: Descriptive
 Owner : Information

 0 Files, 0 Blocks
 92 Free blocks

3. Use logical names to identify the volumes, and a command procedure
to define them all. (There is no real equivalent to a logical name in
many modern OS's, including Unix, unfortunately. A logical is kinda/sorta
like a Unix mount point, but a logical is far better because you can
redefine as you find handy.) With RT-11 you only get
3-character logical names, but that's a start:

.ASS INF LD4

.ASS SRC DU3

.ASS BIN DU1

etc.

-- 
 Tim Shoppa                        Email: shoppa_at_trailing-edge.com
 Trailing Edge Technology          WWW:   http://www.trailing-edge.com/
 7328 Bradley Blvd		   Voice: 301-767-5917
 Bethesda, MD, USA 20817           Fax:   301-767-5927
Received on Tue Nov 09 1999 - 17:34:32 GMT

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