I doubt that there was an SVC entry point for it,and 120 is either GETMAIN or STORAGE.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [[email protected]] on behalf of Lennie Dymoke-Bradshaw [[email protected]] Sent: Thursday, March 24, 2022 11:19 AM To: [email protected] Subject: Re: Actual Block Processor Wasn't that SVC 120? Or possibly part of it. Do those components you mention use the media manager (another component that is not well documented to mere mortals)? Lennie Dymoke-Bradshaw https://secure-web.cisco.com/1IPKOx1dWEkm-sDWVb0kJrGU8RAVD8BMD9ssszjlsTVyj_hgOm_f8trwna7Mq0BwljhdjHr3RaKZb1Lei3DvW0U-hWLnf4YKo-Tx_cpGfRBkoI9Fp9JQKhfJxUon4wEBzbYY1QMYssH-80J-dB-Nn0cItolQPmQIDfiFyGjaeZmoakvj5oh80NK8GT4IJTCdBM31Xd4Lv3zUvCfarkBwkNNJ3jWU2i0kNmFtOynSheImq9RMyKq7IbwmHupzfbDSWE4Xjq6mL7vGAMzR6wN9xkvzRW3BlV3s7w0r1TEFHilIZNlFk_P5UwGk15YR5DZ_NHGsAZxA2m7VlxRh-EvIipsleKxI2Ng9Cr84y80lF5SyNwlISWgNauiGLFh3qWpXwGZhM1vQjbZFlRAznVK4EzIM6GAsSq0a-HEHBXzmP3xZPrHwEPG-Nt9dQ5GZ1GZCe/https%3A%2F%2Frsclweb.com 'Dance like no one is watching. Encrypt like everyone is.' -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Seymour J Metz Sent: 24 March 2022 14:10 To: [email protected] Subject: Actual Block Processor There used to be an MVS component called Actual Block Processor that did low level I/O for CI-formatted data. IS there an equivalent routine in z/OS used by, e.g., HFS, PDSE? If so, is there a source that I can cite in Wikipedia? -- Shmuel (Seymour J.) Metz https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmason.gmu.edu%2F~smetz3&data=04%7C01%7Csmetz3%40gmu.edu%7C72307993d1554d0abae808da0da9c69b%7C9e857255df574c47a0c00546460380cb%7C0%7C0%7C637837320075972375%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=4E5j5FO3xlrE3LcIza7hd0n6wXnHbQwTubViOQ3weDU%3D&reserved=0 ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
