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 <[email protected]> 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 <[email protected]> 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 [email protected] with the message: INFO IBM-MAIN > >> > > > > > > -- > > Jay Maynard > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- Jay Maynard ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
