Unexpected Device Removal message

S

Schillinger

Registered
I have installed a new External Hard Drive into my LaCie enclosure, essentially replaced the old WD1200 (Western Digital WD Caviar 120GB) with a new one from the same maker without throwing the old enclosure away and saving $100. It is an EIDE Hard Drive suitable for Mac OS X and exactly the same drive from the same maker. The only difference is one letter in the model number: the old one was WD1200BB the new one is WD1200JB.
I installed and formatted the drive and made 4 partitions, one of them a Boot volume that I use for maintenance on my local volume. All volumes have the "ignore ownership on this volume" in the info box unmarked, meaning they are all owner enabled. All volumes are Mac OS Extended (Journaled).
Now the problem: Every-time after my Mac Titanium Laptop (G4) goes to screen-saving mode and/or sleep, and I awaken the system, I get the "Device Removal" warning message. My External HD volumes have disappeared from the desktop only to reappear once I click ok. I then can proceed normally. However I am worried that I might one day loose important data. - Anyone has any idea what to do?
 
There's probably not much you can do, except eject the drive before you put the Powerbook to sleep. The difference might be a firmware change in the drive that causes the enclosure to go off line when the Powerbook goes to sleep. I don't think it would cause problems with your data, unless you leave files open that are on the external disk. You may want to try LaCie, they may have a firmware update that can address this problem.
 
Well in OS X you MUST properly unmount devices that are on your desktop. So to fix on a PPC Mac just dismount all external devices (except the mouse & keyboard) then reset your Pram. Lastly properly re-mount all you devices. All this should help.
 
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