home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.next.sysadmin
- Path: sparky!uunet!usc!sdd.hp.com!mips!odin!sgihub!zola!zuni!anchor!olson
- From: olson@anchor.esd.sgi.com (Dave Olson)
- Subject: Re: Internal SCSI error
- Message-ID: <om1ktc8@zuni.esd.sgi.com>
- Sender: news@zuni.esd.sgi.com (Net News)
- Organization: Silicon Graphics, Inc. Mountain View, CA
- References: <Aug.10.09.04.03.1992.20063@dartagnan.rutgers.edu> <1992Aug16.081957.3652@tssnext.rmNUG.ORG>
- Date: Mon, 17 Aug 92 06:27:06 GMT
- Lines: 20
-
- In <1992Aug16.081957.3652@tssnext.rmNUG.ORG> bruce@tssnext.rmNUG.ORG writes:
- | Despite much talk over in the MS-DOS World, with the Integrated-Drive-Elect-
- | ronics drives (IDE) ``not requiring LLF'', unless the controller re-maps on
- | the fly, which is normally an ESDI feature, not found on SCSI drives, the mag-
- | netic capacity of the ``tracks'' changes over time, even if no surface defects
- | arise to clobber the drive.
-
- This is complete garbage all around. ESDI does not support remapping
- of *grown* bad sectors on the fly, period (there may be some controllers
- and drivers that do, but the drives do not). Many SCSI drives do;
- ALL SCSI hard disk drives support badblock mapping in the drive itself (at
- least, I've never heard of one that didn't), I've never seen or heard
- of an ESDI drive that did (the driver or controller has to do it).
-
- The magnetic capacity of tracks does not change over time, in the sense
- you seem to be indicating.
- --
- Let no one tell me that silence gives consent, | Dave Olson
- because whoever is silent dissents. | Silicon Graphics, Inc.
- Maria Isabel Barreno | olson@sgi.com
-