AMITIAE - Friday 13 July 2012
Updating Disk Warrior: Stalled by my Defective Disk
By Graham K. Rogers
Alsoft does not remind users that an update is available like many developers. They are not alone in this and it is up to the user (me) to keep abreast of what is available. Nor is there a menu item in Disk Warrior for an in-app check of the Alsoft site. Users must do this themselves or rely on information from online sources.
I went to the download page for the version 4.4 download and was asked to enter information before the download was made available. My name was easy, but the serial number was not available.
I keep the original disk at my office along with a spare of the most recent update. I copy the application file to a flash drive and to an external hard disk I also use for rescue purposes. Although I have photographs of the Disk Warrior CD, for security reasons the serial numbers have been erased.
This is one of the reasons I try to keep the disk safe and use external drives or an upgraded disk. An earlier disk had become scratched and unusable, but Alsoft provided me with a replacement, for a fee, with the same serial number. Likewise the upgrade disk to version 4 from the previous version was supplied with the same serial number and for an upgrade fee (currently $49.95)
There was just one more thing. As the original disk came on a CDROM, the update must be written to a CDROM. I found out the hard way when I tried to use a DVD disk -- someone had given me a pile of them -- and there was a warning. The number of times I use any optical disk these days has reached almost zero. Sometimes a group of students may give me work on this medium, although the last time a disk was used it was a DVD. When I collected a bunch of files for a poster project this week from my classes most were on flash drives. One was on an external (USB) hard disk.
I restarted the Mac and in the Admin account I moved the DMG file from the dropbox to the desktop for ease of working and double clicked on it. Before starting the process I also quit all running applications (OS X may restart these automatically when the computer restarts). I double-clicked on the Disk Warrior icon and agreed to the licensing conditions.
The system is checked and a panel displays what is needed:
As above, the specific medium depends on the original disk.
I always dread the wait having had a damaged disk in the past and this time the installer also reported a problem. I cleaned the disk with a lens cloth and tried again. On the second failure, I took more drastic action, cleaning the disk in water and washing up liquid. I wiped it and left it to dry for a couple of hours, but as there are marks visible on the surface, I must think about Plans B and C: another computer; a replacement disk.
Plan B is next. . . .
Graham K. Rogers teaches at the Faculty of Engineering, Mahidol University in Thailand. He wrote in the Bangkok Post, Database supplement on IT subjects. For the last seven years of Database he wrote a column on Apple and Macs.
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