From mboxrd@z Thu Jan 1 00:00:00 1970 From: tih@hamartun.priv.no (Tom Ivar Helbekkmo) Date: Thu, 26 Apr 2018 07:51:01 +0200 Subject: [TUHS] /dev/drum In-Reply-To: <55000939-330c-85fe-7b07-5711b3578ecb@update.uu.se> (Johnny Billquist's message of "Thu, 26 Apr 2018 00:24:34 +0200") References: <55000939-330c-85fe-7b07-5711b3578ecb@update.uu.se> Message-ID: Johnny Billquist writes: > Uh... DEC STD 144 does not have anything to do with remapping bad > blocks to replacement good blocks. DEC STD 144 describes how a media > stores known bad blocks on a disk, so that file system initialization > can then take whatever action needed to that these blocks are not used > by anything. In RSX (and VMS), they will be included in a file called > BADBLK.SYS, and thus be perceived as "used". Thanks for the clarification, Johnny! As with so much else these days, DEC STD 144 is available on-line: https://archive.org/details/bitsavers_decstandar_576622 Interesting reading -- and the scheme used in RSX and VMS is exactly as required by the standard in section 4.1: "Small Operating System Conformance". -tih -- Most people who graduate with CS degrees don't understand the significance of Lisp. Lisp is the most important idea in computer science. --Alan Kay -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 487 bytes Desc: not available URL: