Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ames!oliveb!amiga!neil
From: neil@amiga.UUCP (Neil Katin)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Trackdisk and stuff, error handling
Keywords: Disk, ERROR, trackdisk
Message-ID: <2511@amiga.UUCP>
Date: 27 Jun 88 08:38:33 GMT
References: <4018@pasteur.Berkeley.Edu>
Reply-To: neil@spam.UUCP (Neil Katin)
Organization: Commodore-Amiga Inc, Los Gatos CA
Lines: 14

In article <4018@pasteur.Berkeley.Edu> koster@cory.Berkeley.EDU.UUCP (Kevin Oster) writes:
|    I have some questions about how trackdisk handles disk errors.
|
|1) Does it sometimes do a track read, notice a checksum error, then read
|   the sector in again to see if it could be a read error? (That is, is
|   reading from the disk sometimes flaky.)
|
|2) Or does it, when it sees an error, home the heads and step out again
|   right away, which causes the telltale disk error sound?

It does both.  It tries to re-read the track 10 times, and seeks
back to cyclinder 0 (a "restore") every fourth try.

	Neil Katin