Diane Gamm <[EMAIL PROTECTED]> wrote:

>>Todd, on the reliability question, I've been using zip drives and disks for years - 
>for backup and for storing and 
moving projects between computers, both Macs and PC's - and have never had any 
problems with any of them. 
>>
>>I've had Iomega SCSI and USB external drives, and internal drives in all computers 
>in a Multimedia Lab I managed; 
and now VST's expansion bay zip drive in my PowerBook G3 Pismo - which so far has 
worked flawlessley.  Come to think 
of it, we also had a VST exp bay drive in a Pismo used for projecting lectures, 
without problems also.  The dreaded 
"click of death" sounds bad, but I actually have never known anyone who has 
experienced it. (Now, where's that wood 
to knock on?) - Diane  

Hi Diane,

I believe that CoD mainly affected Iomega drives (esp. Zip and Jaz, but maybe others) 
manufactured before 1999 or so, 
but the window may be considerably larger than that.  There are utilities for Wintel 
that supposedly check for CoD 
succeptibility, but I don't know whether such tools exist for Mac OS.  Considering 
that Iomega faced a class-action 
lawsuit over their design flaws, I would think that they would have provided such a 
tool.  There was a factory recall 
of Jaz drives a few years ago, too...  In 2000, I had a 2GB external SCSI Jaz drive, 
which I verified on iomega.com 
to have been manufactured late enough so as not to be affected by the recall.  
Equipped with your drives' serial 
numbers, you should be able to check the website to see whether any of your drives 
qualify.
In my personal experience, I've had one internal IDE 100MB Zip drive that suffered 
from the CoD (exhibited symptoms 
in '99), and the consequential damage to my Zip disks wasn't obvious until it was too 
late (about a year later); by 
then, my project data was seriously corrupted.  During that time, I used the disk in 
several blue-and-white G3s in a 
multimedia lab, so I wonder whether those drive are kaput now...

http://www.texasatty.com/iomgcod.html contains a very brief synopsis of what CoD does. 
 What this page fails to 
mention is that a disk damaged by an affected drive is capable of damaging other 
drives.  Hopefully you'll never have 
to deal with that!



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