Sure enough. I reformatted the drive a second time and enabled "zero
blocks"; now everything works perfectly. Strangely, just a plain
reformat didn't seem to cut it :( I never would have guessed. Thanks
for the tip!
From now on, I'll always use "zero blocks" when formatting!
On Jun 27, 2006, at 11:31 PM, Mike Fischer wrote:
Am 28.06.2006 um 07:18 schrieb email@hidden:
It's my primary disk. It's theoretically possible that there's just a
bad spot on the disk in that exact spot, but I hope that's not it. I
think modern hard drives are supposed to magically hide bad sectors
anyway, right? It doesn't explain the error from cp, either.
In my experience I/O errors and -36 specifically indicate something
physically wrong with the disk (or possibly a problem with the IDE
bus it's on). One example:
I have an older G4 with 2 internal disks. Originally I had them
hooked up the internal IDE bus as master and slave. Apart from
causing performance problems this setup also seemed to cause or
"encourage" bad blocks. On my primary disk I had about 5 of them at
known locations in completely unimportant files. I noticed them
whenever my backup software would signal errors on these files but
otherwise I ignored them as S.M.A.R.T. was completely in the green
and their number wasn't growing. Also the machine is not my primary
computer and I have full backups so I wasn't nervous. I've since
bought a PCI IDE controller with two separate busses and hooked up
each disk to its own bus. In the process I also
"reformatted" (wrote zeros to the entire disk) the disks which
caused the bad blocks to disappear. My guess is they where remapped
by the drive. Performance is much better and I have not had any
trouble with bad blocks since.
As to your original question: I have filled non-boot partitions on
Mac OS X 10.3.9 and 10.4.x (HFS+ with journaling) completely and
had no trouble doing so. I don't think any system level mechanism
is preventing you from filling your partition. On the boot partion
there might be mechanisms in place preventing you from shooting
yourself in the foot though.
HTH
Mike
--
Mike Fischer Softwareentwicklung, EDV-Beratung
Schulung, Vertrieb
Web: <http://homepage.mac.com/mike_fischer/index.html>
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