A 3390-54 has 65520 cylinders; a -27 has half that number.
On Thu, Jan 16, 2025 at 10:44?PM Mike Schwab via <Mike.A.Schwab=
[email protected]> wrote:
Is the number of cylinders 2 bytes signed?
2 bytes logical can get you to 64k.
And if you want EAV you are going to need more bytes.
Right now it is 16 *64k = 1M (849G) for the current z/OS.
Cylinder field expandable to 4K*64K = 256M (216T).
On Thu, Jan 16, 2025 at 9:03?PM Jay Maynard via
<jaymaynard=[email protected]> wrote:
>
> I got those same results.
>
> On Thu, Jan 16, 2025 at 8:27?PM Brian_Westerman via <Brian_Westerman=[email protected]> wrote:
>>
>> Well, It doesn't seem to work for 3390-54, (it abends with a USER=99, but no text as to why), the last thing printed is:
>> cckddump 0.3.1 starting
>> main workarea is at address 0x15f36000, 24-bit workarea is at address 0x8000
>> D31US3 vtoc opened
>> D31US3 has 60102 cyls, 15 trks/cyl and 901530 total trks
>> D31US3 vtoc has 10000 total dscbs
>> storage obtained for vtoc area, addr 0x15f39000 size 1400000
>> reading D31US3 vtoc
>> D31US3 vtoc closed
>> 25 datasets are on D31US3
>> storage obtained for dsn area, addr 0x1608f000 size 2128
>> storage obtained for trk vector, addr 0x16090000 size 3606120
>> storage released for vtoc area, addr 0x15f39000 size 1400000
>> 281380 tracks out of 901530 will be dumped
>> storage obtained for D31US3 i/o area, addr 0xa000 size 852480
>> storage obtained for compression, addr 0x15f39000 size 57344
>> persistent c environment created, handle=0x15f37188
>> file SYSUT2 opened for output
>>
>>
>>
>> It does appear to execute for 3390-3, 3390-9 and 3390-27, they were able to be uploaded and seem to be perfectly fine and useable, but still the 3390-54 doesn't work.? Does anyone have a CCKDDU64 that was changed for 3390-54 dasd?
>
>
>
> --
> Jay Maynard
>
>
--
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?
