Interesting. I recall two statements, probably from two different sources: One states that BDAM does not support large format datasets.
The other states that DA datasets accessed by relative track address are limited to 65536 tracks. ...so, I must assume ADABAS has a way for accessing records of a dataset that large... On Fri, 2 Nov 2018 11:32:23 +0000, Mick Graley <mick.gra...@gmail.com> wrote: >Hi All, > >I can confirm that there is no 64K tracks limit on DSORG=DA data sets. >I inherited a number of Adabas databases and they use DSORG=DA. >One of my larger databases has a data storage component that is 240,525 >tracks (16,035 cylinders) in 9 extents across 8 volumes. > >Organization . . . : DA >Record format . . . : F >Record length . . . : 5064 >Block size . . . . : 5064 >1st extent cylinders: 363 >Secondary cylinders : 1668 >Allocated cylinders : 16,035 >Allocated extents . : 9 > >The rules are documented here: >https://www.ibm.com/support/knowledgecenter/SSLTBW_2.3.0/com.ibm.zos.v2r3.idad400/mdss.htm > >Cheers, > >Mick. > > >On Sat, 27 Oct 2018 at 01:10, Steve Smith <sasd...@gmail.com> wrote: > >> BDAM implies DSORG DA, but can use any RECFM. However, DSORG DA files are >> usually physically equivalent to DSORG PS, and often are so designated. >> However, most DA files I've seen are indeed RECFM=F. >> >> sas >> >> On Fri, Oct 26, 2018 at 11:40 AM Tom Sims <trs...@att.net> wrote: >> >> > Datacom may use some method of "direct access," but the datasets >> > themselves are RECFM=F. >> >> ---------------------------------------------------------------------- >> For IBM-MAIN subscribe / signoff / archive access instructions, >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN >> > >---------------------------------------------------------------------- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
