We have seen another cause for this error, from the DSL:

NCE (No Change Expected) for the Macintosh

In the last week I have had two customers report -23 errors when doing a
backup with DiskFit Direct.

In both cases the customers had recently installed Virex 5.9.1.

I ran a test.  If the Virex 5.9.1 control panel is installed, you will get
-23 errors during backup.

The only workaround is to Turn off Virex Control Panel or don't use DiskFit.

the -23 could be an extension conflict for the user.

Robin

> From: Matthew Tevenan <[EMAIL PROTECTED]>
> Reply-To: "retro-talk" <[EMAIL PROTECTED]>
> Date: Mon, 24 Jul 2000 12:42:57 -0700
> To: retro-talk <[EMAIL PROTECTED]>
> Subject: Re: 4.3 and the bleeding edge
> 
> Malcolm,
> 
>>> In pulling up the error message on the Mac OS errors list, it indicates that
>>> the disk driver is not cooperating with the file manager. {-23    openErr
>>> Requested read/write permission doesn't match driver's open permission,}
>> 
>> Interesting ... Retrospect reported the error, why did you make the leap
>> to MacOS errors?
> 
> Basically, if you're getting *most* any negative error up through -5XXX in
> Retrospect, it's is being mapped directly from the OS. That's why Pat looked
> to a list of Mac OS errors to figure out what this meant.
> 
> All of Pat's suggestions are good ones. I assure you that larger than 2 GB
> file backup sets were tested thoroughly and do work correctly. I'd estimate
> they were the number one customer suggestion of recent memory, so we knew
> they'd better! If you're still having trouble, please e-mail
> [EMAIL PROTECTED]
> 
> Matthew Tevenan
> Technical Support Specialist
> Dantz Development Corporation
> 925.253.3050 
> [EMAIL PROTECTED]
> 
>> From: Malcolm McLeary <[EMAIL PROTECTED]>
>> Reply-To: "retro-talk" <[EMAIL PROTECTED]>
>> Date: Sun, 23 Jul 2000 21:09:21 +1000
>> To: "retro-talk" <[EMAIL PROTECTED]>
>> Subject: Re: 4.3 and the bleeding edge
>> 
>> Hi Pat,
>> 
>> On 23/7/00 4:35 PM, Pat Lee <[EMAIL PROTECTED]> wrote:
>> 
>>> In pulling up the error message on the Mac OS errors list, it indicates that
>>> the disk driver is not cooperating with the file manager. {-23    openErr
>>> Requested read/write permission doesn't match driver's open permission,}
>> 
>> Interesting ... Retrospect reported the error, why did you make the leap
>> to MacOS errors?
>> 
>> I have no idea if its relevant, but Finder will happily duplicate the
>> storage set so Finder can open the file and read it.
>> 
>>> Sounds like it could be a problem with the disk driver on your disk in this
>>> case. What formatting software was used to format the ATA disk? Did it see
>>> it as a SCSI drive or an ATA drive?
>> 
>> Only use the Apple product ... Drive Setup ... the "get info" on the disk
>> says its v8.1.4.  The card makes ATA disks appear to be on just another
>> SCSI bus.
>> 
>>> Have you tried creating a greater than 2GB file set on a connected SCSI hard
>>> drive on this computer and does it work?
>> 
>> No the biggest SCSI drive I have is only 2GB ... I guess I could string a
>> couple of them together as a stripe.
>> 
>> I will verify that the disk driver is the latest, and also the bios for
>> the card.
>> 
>> Cheers,  Malcolm
>> 
>> 
>> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
>> 
>> Information Alchemy Pty Ltd
>> ACN 089 239 305
>> Canberra, Australia
>> 
>> Malcolm McLeary                                Mobile:     0412 636 086
>> Managing Director                              Email:  [EMAIL PROTECTED]
>> 
>> This message was sent using Claris Emailer 2.0v3 for Macintosh.
>> 
>> 
>> 
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> 
> 
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