One of the vendors that uses AWS is Optica, their z/VT uses AWS format. It can also compress internally, but you don't have to.
Brian On Fri, 29 Jul 2022 21:44:25 -0500, Jay Maynard <jaymayn...@gmail.com> wrote: >I'm curious. What are you trying to accomplish with it? If it's just a >matter of faster transmission of entire tape images, AWS tapes compress >very well. > >On Fri, Jul 29, 2022 at 8:38 PM Tony Thigpen <t...@vse2pdf.com> wrote: > >> Yes. But, it sounds like nobody else will support it as a data >> interchange, so it may be unusable for us. >> >> I will go look at it. >> >> Tony Thigpen >> >> Jay Maynard wrote on 7/29/22 06:38: >> > Are you talking about the tape data being compressed inside the AWS >> image? >> > Hercules has a format that does this, upwardly compatible with AWS, >> called >> > HET (Hercules Emulated Tape), but I don't know of any other >> implementations >> > of it. Each block is compressed after being received from the program >> > writing the tape but before being written to the file and uncompressed >> > after being read but before being returned to the program reading the >> tape. >> > >> > On Fri, Jul 29, 2022 at 3:56 AM Tony Thigpen <t...@vse2pdf.com> wrote: >> > >> >> Does anyone know of any 'standard' for stream based (during file >> >> creation) compression of AWS tapes? >> >> >> >> Tony Thigpen >> >> >> >> ---------------------------------------------------------------------- >> >> For IBM-MAIN subscribe / signoff / archive access instructions, >> >> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN >> >> >> > >> > >> > -- >> > Jay Maynard >> > >> > ---------------------------------------------------------------------- >> > 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 >> > > >-- >Jay Maynard > >---------------------------------------------------------------------- >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
