Path: utzoo!utgpu!watmath!att!bellcore!rutgers!apple!sun-barr!newstop!sun!sally!plocher
From: plocher%sally@Sun.COM (John Plocher)
Newsgroups: comp.unix.microport
Subject: Re: bad block bug on second disk in V/AT 2.4.0L
Keywords: bad block V/AT 2.4 workaround
Message-ID: <119454@sun.Eng.Sun.COM>
Date: 3 Aug 89 23:01:09 GMT
References: <433@siswat.UUCP> <9728@alice.UUCP>
Sender: news@sun.Eng.Sun.COM
Reply-To: plocher@sun.UUCP (John Plocher)
Organization: Sun Microsystems, Mountain View
Lines: 14

+---- In <9728@alice.UUCP> paul debra writes:
| +---- In <433@siswat.UUCP> A. Lester Buck writes:
| | The Microport 2.4 disk driver appartently does full track caching on any
| | access to a track ...
| +----
| Are you sure about this? This would make uPort the first Unix System i've
| come accross that would do track buffering.
+---

Yup, Microport's hard disk driver does do full track caching.  It has done so
for several years (>2).  The floppy driver also does track caching and 
supports 1:1 interleave as the default (AT&T uses 4:1)

  -John Plocher