When I bought my Mac, I perused the Mac website about TM, shock and horror!
The comments on the Time machine, by the hundred condemned it without
reservation.  It would appear to have a most dodgy power supply, that when
it dies (18-24 months) also fries the bloody disk.

Needless to say, I got the WD book thingy solution.

Jim

On 19 October 2010 12:44, Steven Knowles <[email protected]> wrote:

> I'm about to watch time fly and throw TC out the nearest window.
>
> I got over all of my previously whinged about error messages by one of two
> solutions, I don't know which one ultimately provided the fix, but erased
> data entirely, and disconnected all users (Airport Utility > Manual Setup >
> Disks > Disconnect All Users). The backed up everything from scratch, the
> major downside being loss of all historical backups.
>
> The backups from scratch seemed to work. However now,  not every time but
> intermittently, I get ...
>
> *"Time Machine could not complete the backup.
>
> This backup is too large for the backup disk. The backup requires 169.72GB
> but only 122.2MB are available.
>
> Time machine needs work space ... blah blah blah"*
>
> TM waits for me to click OK. Then, if I 'Backup now' TM proceeds with a
> backup in the usual manner, and keeps going until next time I get the
> 'backup too large' message.
>
>
> According to the TM Preferences window, there is about 500GB of available
> space, which is about right after taking into account the two Macs I've
> backed up.
>
> I've been putting up with the inaccurate 'backup too large' message,
> however just now I had a need to go into TM and recover a previous version
> of a file I've stuffed up. Disappointingly, I find that TM hasn't been
> retaining old backup data. I have 'Now' backup, and that's it. No historical
> backups to wade through. I assume this has something to do with the 'backup
> too large' problem.
>
>
> The problem I'm having is with my MBP. I've checked TM on the other
> machine, an iMac, backing up to this TC. No problem. Retention of historical
> backups appear to be taking place for the iMac. All machines running latest
> OSX.
>
>
> Any suggestions?
>
>
> Cheers, Steven
>
>
> ------------------------------
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-- 
Jim Duffield
0405583977
Skype:  oldozsapper
*
**"Wolf, Wellington, Shaka [Zulu], Lawrence, Monash...not only displayed a
general absence of authoritarian traits but also showed a lively regard for
the prime responsibility of the commander: conservation of his force and
concern for the psychological and physical welfare of his troops."
Prof Norman Dixon, RE, MBE - 'On the Psychology of Military Incompetence',
p. 275
*



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