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Mac Musings

HFS+ Nightmares

Dan Knight 9 October 1998 - Tip Jar

I sincerely hope my experiences with HFS+ are not typical.

When we first got Mac OS 8.1 at work, we all had to play with HFS+. We got a copy of Alsoft's PlusMaker, which converted our drives and partitions from HFS to HFS+ on the fly. Saved untold hours of work.

Four copies of 8.1, four HFS+ users. The other three had pretty good results with it, but I'm the IS Manager - I couldn't be so lucky. After a few days I ran into problems only Norton Utilities could solve, copied everything to another drive, reformatted with good old fashioned HFS, restored, repaired, and went on my way.

We added a couple Power Mac G3s, a PowerBook 1400, and a PowerBook G3 Series II, each arriving from the factory with HFS+. Easier to use them that way than wipe them down and reinstall everything. (Especially the 1400, but that was a different article.)

Except for my bad experience and the 1400 problems, HFS+ has been stable for all the other users - and we've been fortunate enough not to need to run Norton Utilities on the drives.

On Thursday our upgrades to Norton 4.0 arrived. The director of design ran Disk Doctor on his hard drive, then optimized it with Speed Disk for the first time in several months. Defragmenting all those files made a real difference in speed.

So I reasoned it was time to switch to HFS+ for the second time. Instead of using PlusMaker, I copied everything to an external drive, erased the partition, and put everything back. Took about an hour to move almost 1GB of data each way.

Then the problems began. Sometimes everything would run just fine, but that was the exception. It would always book okay with extensions off, but most of the time it would hang after all the extensions loaded but before the Finder icons or menu appeared.

I turned off the autoloading items in the Startup Items folder. It didn't help. I booted from the Norton CD and ran diagnostics. A few minor problems, none of which phased Norton Utilities. But I still couldn't boot with extensions on.

Played around turning extensions off and on, rerunning Norton, all sorts of things to get the 7600 to boot properly.

After wasting too many hours, I copied everything back to the external drive, erased my main partition (making it an HFS partition), and moved everything back. Ran Norton just to play it safe.

Rebooted and all was as it should be.

I could have used the extra 100 MB that HFS+ freed on my hard drive, but that would do me no good if I can't run the computer.

I'm sure I'll give it another try when Mac OS 8.5 ships. After all, it's working for all the other users.

Further reading

Dan Knight has been using Macs since 1986, sold Macs for several years, supported them for many more years, and has been publishing Low End Mac since April 1997. If you find Dan's articles helpful, please consider making a donation to his tip jar.

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