Partition Map Scheme - Unformatted. HELP.

& you should be double or triple backing up your files. Get a raid drive.

---------


Boot in safe mode. Hold down the shift key when powering on the machine. This will run a disk repair program. Boot up will take longer as the harddrive is scanned and repaired.
See this article:
http://docs.info.apple.com/article.html?artnum=107393


Or from mrtotes article :
Boot from the OS X Install disk and from the Menu Bar choose Disk Utility. Then run "Repair Disk" and "Repair Disk Permissions" on your hard disk.


Here the apple article on booting single user mode and using fsck. See the section on Use fsck:
http://docs.info.apple.com/article.html?artnum=106214


Perhaps Disk Warrior will be of some help:
http://www.alsoft.com/DiskWarrior/


"Stellar Phoenix Macintosh - Mac data recovery software, recovers data from damaged, deleted, or corrupted volumes and even from initialized disks."
They have a trial version, so I guess you can see if your data can be recovered...
http://www.stellarinfo.com/mac-data-recovery.htm


"Data Rescue II is the best data recovery software on the market for recovering files from a problem hard drive. Data Rescue II works when other tools fail. Data Rescue II is also completely safe to use since it does not attempt any risky repairs to the drive while its scanning."
http://www.prosofteng.com/products/data_rescue.php


FileSalvage is an extremely powerful Macintosh application for exploring and recovering deleted files from a drive or volume. FileSalvage is designed to restore files that have:
* been accidentally deleted.
* become unreadable due to media faults.
* been stored on a drive before it was re-initialized/formatted.
http://subrosasoft.com/OSXSoftware/index.php?mainpage=product_info&productsid=1


"TestDisk is a free data recovery utility. It was primarily designed to help recover lost data storage partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software, certain types of viruses or human error (such as accidentally erasing a partition table)."
http://en.wikipedia.org/wiki/TestDisk


-----

Entering:
mac data recovery
into Google will list some firms who specialize in recovering data. Data recovery isn't cheap.

for example:
Ontrack Data Recovery is the world leader in data recovery services and data recovery software offering the fastest, most convenient and cost-effective solutions to clients who have experienced data loss.
http://www.ontrackdatarecovery.com/

Enter the world of DriveSavers Data Recovery…
* Data Recovery Tools
* Data Recovery Process
* Data Recovery Cleanroom
http://www.drivesavers.com/

"Encryption: DriveSavers engineers have been trained and certified by leading encryption vendors, such as GuardianEdge, Utimaco Safeguard, PGP and PointSec, to safely recover file-level and disk-level encrypted data"
http://www.drivesavers.com/recovery-services/encryption/



List of recovery software tried:
http://discussions.apple.com/post!reply.jspa?messageID=11100707

------------

Make a copy of the partition/harddrive.

Do a bit-by-bit copy
In Mac OS 10.4, you can use the following command to display all the partitions:
Macintosh-HD -> Applications -> Utilities -> Terminal
# This is a little deep.
#It is best to do the pdisk command before you eject the external hard drive. Now, eject the external hard drive. Do another pdisk command to see what drive name has disappeared. The disappearing name is the name of your external hard drive.

sudo pdisk -l

#for details...

man pdisk

#The syntax is different for Mac OS 10.2. I do not know about 10.3.

# Do a bit-by-bit copy.

#eject the partition
-------------------------

Macintosh-HD -> Applications -> Utilities -> Terminal

dd if=/dev/disk0s10 bs=4096 | gzip | dd of=~/disk0-s10 bs=4096

#this can take awhile. Open another window and do ls -l ~/disk0-s10

# Here is how to restore the partition.
dd if=~/disk0-s10 bs=4096 | gunzip | dd of=/dev/disk0s10 bs=4096

Zero unused disk space
You may use the dd command to write is zeroes out to a disk. I wrote a gigabyte of data out to my external Firewire 400 disk.

mac $ dd if=/dev/zero bs=1024 count=1kx1k of=/Volumes/MacOSFirewire/zero
1048576+0 records in
1048576+0 records out
1073741824 bytes transferred in 77.977957 secs (13769812 bytes/sec)

Here is another way to run the command. When you run the command in the background you can question how for the process has gotten.


mac $ dd if=/dev/zero bs=1024 count=1kx1k of=/Volumes/MacOSFirewire/zero&
[1] 510
mac $ man kill
mac $ kill -s siginfo 510
953197+0 records in
953196+0 records out
976072704 bytes transferred in 82.524495 secs (11827673 bytes/sec)
mac $ 1048576+0 records in
1048576+0 records out
1073741824 bytes transferred in 89.700333 secs (11970322 bytes/sec)

Robert

I see your signature, and it looks like you have an Intel iMac, try posting here:
http://discussions.apple.com/category.jspa?categoryID=189
--Corrytonapple----