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Tuesday, 22 July 2003
Carbon Copy Cloner 2.2 bug ::
I don’t feel entirely comfortable publicly pointing out bugs in other people’s software, but this one almost bit me really badly, the developer’s feedback forum is down, and they don’t supply an email address. (Hiding from email address gatherers? Try Enkoder.)
Yesterday I used Carbon Copy Cloner 2.2 (CCC) to backup and restore my hard drive so that I could repartition it. It worked like a charm and saved I don’t know how much squinting at Unix man pages for tools like hdiutil and asr. It was wonderfully painless.
Today I looked inside a directory named dev inside my home directory—it’s an abbreviation for “development.” It was empty. It didn’t take long to realize that the reason that CCC had skipped it was that it ignores /dev when making backups (that directory is automatically generated by the kernel when the system boots). And it treats a dev folder in any location as equivalent to /dev. Fortunately, in an extra fit of paranoia, I had used my old backup scheme to make a full copy onto Paranoia (my backup Firewire drive), so I was able to restore from that. (I wonder if I have finally learned that if there aren’t at least two copies of a file, it might as well not exist.)
Another minor thing cost me an extra restore pass on my boot volume: for some reason, the ASR disk image mounted with permissions disabled; I had to re-enable them using Get Info in the Finder. I don’t know if this is a glitch in CCC, one of the Apple tools it uses under the hood or what. Not a big deal but now I’ll double-check permissions on a disk image before restoring from it.
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