Hi again, Neal!
On 2016-12-30 08:20, W. Neal Lewis wrote:
It is a bootable drive in a G4 PPC running 10.4.11.
Yes, but which model is it exactly?
In System Profiler you should find a string like "PowerMac3,4" or
similar. As said, anything prior to "PowerMac3,5" -- but ONLY the 2002
model! -- doesn't support drivers >128GB, at least not without a hack.
You can check on
http://www.everymac.com/systems/apple/powermac_g4/index-powermac-g4.html
for the exact model also.
All partitions are currently accessible. However, both Apple's Disk
Utility and DiskWarrior cannot do repairs to the bootable partition or
another partition on the same drive.
On a booted system, they never can.
My advice is that you boot up with an installation disc of Mac OS X 10.5
Leopard, use its Disk Utility (it can be started from the menu).
Also, if this really is a LBA (Logical Block Addressing) issue, then
every optical boot disc will only see partitions below the 128GB
barrier. This does not mean that they are corrupted. The statement "only
the first two partitions are accessible" suggests it could be just that
and your partitions are alright. Then, all you really need is the
registry hack for LBA48 and boot the Leopard installation disc for Disk
Utility to see all the partitions, and from there you will be able to
repair all your partitions, including the boot partitions of the
installed Mac OS's.
I will check the alternative solution. Thanks for passing it on.
Before you do that, please do check on the command line with diskutil/pdisk.
1) Start Terminal.
2) Type: "sudo diskutil list" (without the hyphens, may also work
without the "sudo")
http://osxdaily.com/2009/12/01/list-all-mounted-drives-and-their-partitions-from-the-terminal/
3) you can also try pdisk, see
https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man8/pdisk.8.html
The command would look something like "sudo pdisk --list /dev/rdisk0"
Can you pass the output along?
In order to save the information I will need to put in a different
second drive with enough space to back up the entire drive which has
the problems.
I would then check it, wipe it down, reformat, and repartition it.
It is used with OS 9.2 as well since I have some old but important
programs which will only run under actual OS 9. The software
manufacturers did not upgrade to OSX.
So, the disk has to be partitioned in small enough segments for OS 9.2
to read when I boot from OS 9.2.2.
AFAIK the partition size limit of Mac OS 9 is not that small at all: it
should be around 200 GB.
http://lowendmac.com/2014/how-big-a-drive-does-mac-os-9-support/
For HDD capacity limits in general, this is also a very interesting read:
http://lowendmac.com/2014/maximum-hard-drive-size/
I hope you will finally be able to get your partitions repaired.
Cheers,
Mac User #330250 aka Andreas
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