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Subject: Re: ATA test, round 2
From: Jens Arnold (
Date: 2004-06-28

Hello Andreas

>> If it really is a DK23CA, it would be very helpful if you
>> could do so. As I assume that nothing important is stored on
>> that old disk, it would be even more helpful if you would
>> stress it with ajbrec-fast.ajz some more then, including
>> recording something, renaming and deleting files before
>> re-checking.

> Ok, I digged it out and verified it, it's indeed a DK23CA-20.
> I backed up my data and copied 1 GB mp3s on it, then I put it
> into my jukebox and did some tests. I played songs, changed
> settings, created playlists of the whole disk, recorded
> several files, deleted a directory, renamed a directory,
> played more songs, saved a bookmark etc. I didn't get any
> errors after the procedure (using ajbrec-fast.ajz of course).
> Below there's a detailed report.

First of all, many thanks for your effort and your detailed
reports. This may really help us to get the issue sorted.

> Feel free to ask if you want me to do any further tests.

Yes, I have another one :-/

I compiled a rockbox build from cvs status as of 01 Feb 2004;
this is the time when the problem occurred. Please download
this at

and do the same stress test that you did with ajbrec-fast.ajz
with that. Then check the disk for errors. Hopefully there are
some (proving the "disk brand theory").

Background info:

Back in February there were 3 users reporting file system
corruption, all with a Hitachi DK23-CA disk (Pedro Clemente,
Trent Johnson and Lee Marlow). Unfortunately I only have a full
report of my first test from Trent Johnson, the others didn't
supply full debug info.

On the downside I also have a report by one user with the same
disk who uses the optimization all the time and does not have
any problems with it (Henrik Backe).

Regards, Jens


Page was last modified "Jan 10 2012" The Rockbox Crew