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TechTool Pro 4 not compatible with Leopard (Mac OS X 10.5)
Remember our warning about not running disk directory utilities under Mac OS X 10.5 Leopard until further notice from developers? Here's another gentle nudge in the form of a note from Micromat (the developer of TechTool Pro, which includes a directory repair/rebuild tool) that reads:
"The current version of TechTool Pro 4 is not Leopard compatible. We will be releasing an update to support Leopard as soon after Leopard is released as possible. It will be listed on our website when available."
The message sounds innocuous, but the results can be dire: running TechTool Pro or DiskWarrior on a Mac OS X 10.5 Leopard volume can cause it to become unbootable or exhibit other significant issues. We'll reiterate: Mac OS X releases make significant disk directory changes that can react adversely to the processes used by these applications. Don't use them with Leopard until updates are released by their developers or current editions have been certified.
Feedback? Late-breakers@macfixit.com.
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Don't install anything! When you feel you need to resort to TTP or DW, such as when Disk Utility or running fsck -y in Single User Mode doesn't work, then all you should do is boot the TTP or DW optical and attempt repair from there.
Not always. While certain TechTool Pro functions can be run from the bootable optical disk, some (such as optimization) utilize virtual memory, making them risky (though possible, if you're lucky) unless you're booting from a writable disk.
Or maybe the problems only occur when the directory is rebuilt (by one of the 'repair' apps), not just reading/transferring files.
I find TechTool Pro 4 to be an outstanding tool under OS X.
Then you must love those damn eDrives, and that revolting diagnose & fix everything without prompting you for input & run away from you interface!
Those eDrives are idiotic.
I checked with ProSoft and was told that DriveGenius is fully Tiger and Leopard compatible if you have version 1.5.3. If you have 1.5.1 or 2, then just download the free 1.5.3 updater and you're good to go in Leopard.
The Long: Even pre-install, I found that TTP4 caused some glitches with Leopard. After following the advice in MacFixIt, backing up data, etc., I finally came to the moment to install Leopard. The installer seemed to take a long time to identify my single hard drive on my latest model MacBook with 50GB of free space. When it did, an exclamation point appeared over my HD icon and a note indicated the install could not take place there because it was the wrong format. It automatically suggested "erase and install" for me which I declined. Next to my dimmed out HD was the TTP4 eDrive icon. After verifying my HD was in the appropriate Mac OS Extended (Journaled) format I had a hunch that the eDrive was throwing the installer off.
I removed the eDrive and in so doing, the installer liked my hard drive better and the install went smoothly.
- by BCLucas June 17, 2010 6:48 AM PDT
- It's been three years! When can Techtool users expect to get an Upgrade or Updater for Mac Leopard?
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