Re: Diagnose Hard Drive and Retrospect problems?



In article <WN-dnVoaLqEvON_eRVn-oQ@xxxxxxxxxxxxx>,
Norm <NOSPAM@xxxxxxxxxxxxx> wrote:

> Would appreciate help diagnosing a recent problem with Retrospect Backup
> and external hard drives. I¹m trying to determine cause of these
> symptoms and whether the situation indicates any significant problems
> that need to be addressed.
>
>
> Background:
> Powerbook G4 Ti
> OS X 10.3.5
> Retrospect Backup 6.0.204
>
> Run 4 backup scripts each night, two to each of two external hard drives.
>
> Symptoms:
> On waking up computer this AM:
> 1. Retrospect was shown as active in dock but could not access. I could
> not launch make Retrospect active from dock nor from original file. And
> nothing would happen if I tried to launch it.
> 2. One of my two external firewire HDs used for Retrospect backups was
> not mounted and had been before normal overnight backups.
> 3. I could not see this unmounted drive using Disk Utility.
> 4. I did a Restart and after that was able to launch Retrospect. I was
> able to mount the HD.
> 5. I checked the log for Retrospect and only 1 of the 4 scripts ran but
> there were no error messages. The script that ran was a script backing
> up to the mounted HD not to the drive that somehow had been unmounted.
> 6. When I went to Quit Retrospect, it reported that the Backup File Set
> that had run successfully last night was not available due to a ³general
> error². I rebuilt the catalog and then no errors reported on Quit.
>
>
> Question:
>
> What caused these problems: balance of Scripts not running, corrupt
> Restropect backup set, unmounting of the other hard drive, and hard
> drive not visible by Disk Utility? Any corrective action necessary?


I had almost exactly the same thing happen on my Quicksilver (G4 running
10.3.8) several months back--- though I do not recall all of the
details. I have two external FW drives that I use for backup and I've
been afraid to backup ever since. But I have. I make sure only one of
the externals is turned on when I run Retrospect. After it happened, I
had the devil of a time getting one of my HDs to mount again. I ran
Disk Warrior on all my startup volumes once I got it to recognize the
drive. But every time I run Retrospect, I live in fear because I have
no idea what made it happen in the first place. Given the high cost of
Retrospect, I expect more reliability.
.



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