[Simh] Problems install RSX-11M+ v4.6

[Ray Jewhurst]

I tried running every size disk imaginable and I still get the same error
and it still states 128KW.  The small disk I tried was 159MB. BTW, that
prebuilt system also had the same error and 128KW again and it was a approx
10MB Massbus disk running on a 11/45.Could this be a bug?  I am following
everything to a T.  Should I try a non-plus sysgen to see if I get the same
error?

Doing my best,
Ray

On Sun, May 7, 2017 at 5:51 PM, Johnny Billquist <bqt at softjar.se> wrote:

> On 2017-05-07 23:01, Alan Frisbie wrote:
>
>> On 05/07/2017 01:21 PM, Ray Jewhurst wrote:
>>
>>>
>>> RSX-11M-PLUS V4.6  BL87 128.KW <http://128.KW>  System:"Baseline"
>>>  >RED DU:=SY:
>>>  >RED DU:=LB:
>>>  >RED DU:=SP:
>>>  >MOU DU0:"RSX11MPBL87"
>>>  >@[2,54]BASTART.CMD
>>> 12:46:19  *** GEN    Checkpoint space allocation failure
>>> 12:46:19  *** GEN    Checkpoint space allocation failure
>>> 12:46:19  *** GEN    Checkpoint space allocation failure
>>> 12:46:19  *** GEN    Checkpoint space allocation failure
>>> 12:46:19  *** GEN    Checkpoint space allocation failure
>>> 12:46:19  *** GEN    Checkpoint space allocation failure
>>>
>>
>>
>> This means that the disk you are running from (DU0:) does not
>> have enough free space for RSX to allocate a checkpoint file.
>>
>
> Ah! Yes, of course. Thanks for that, Alan. Didn't even think about the
> possibility that the disk would be that small, since he was using MSCP.
>
> Ray, start over, and create disk image files that are larger.
>
> Start over and tell SIMH to make DU0: (rq0) larger.   I would
>> suggest at least 32 MB if you plan to do anything useful with
>> the system.   Don't go above 500 MB, however, as the ODS-1 disk
>> structures can't handle anything that large.
>>
>
> No, ODS-1 handles larger disks fine. The limit is 8G. If you go above
> that, there is no harm, but the disk will just be truncated to 8G anyway,
> so no point in going larger.
> I would suggest something around 2G or so, and you're set for life.
> (Personally I run with four 8G drives, but then again, I'm not exactly
> normal when it comes to RSX...)
>
>         Johnny
>
> --
> Johnny Billquist                  || "I'm on a bus
>                                   ||  on a psychedelic trip
> email: bqt at softjar.se             ||  Reading murder books
> pdp is alive!                     ||  tryin' to stay hip" - B. Idol
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