Challenging problem to solve: anyone?

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anuries
1 MB
Posts: 1
Joined: October 11th, 2013, 8:24 am

Challenging problem to solve: anyone?

Post by anuries » October 11th, 2013, 8:32 am

Hi all!
I got the famous ? folder while restarting the computer on my 13' macbookpro leopard.
System does not recognize the hddm this is what it gives me after trying to repair:
-bash-3.2# diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: Apple_partition_scheme *1.2 GB disk0
1: Apple_partition_map 30.7 KB disk0s1
2: Apple_HFS Mac OS X Base System 1.2 GB disk0s2
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: *500.1 GB disk1
/dev/disk2
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk2
/dev/disk3
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk3
/dev/disk4
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk4
/dev/disk5
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk5
/dev/disk6
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk6
/dev/disk7
#: TYPE NAME SIZE IDENTIFIER
0: untitled *6.3 MB disk7
/dev/disk8
#: TYPE NAME SIZE IDENTIFIER
0: untitled *2.1 MB disk8
/dev/disk9
#: TYPE NAME SIZE IDENTIFIER
0: untitled *1.0 MB disk9
/dev/disk10
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk10
/dev/disk11
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk11
/dev/disk12
#: TYPE NAME SIZE IDENTIFIER
0: untitled *1.0 MB disk12
/dev/disk13
#: TYPE NAME SIZE IDENTIFIER
0: temp *3.8 GB disk13
/dev/disk15
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *320.1 GB disk15
1: EFI 209.7 MB disk15s1
2: Apple_HFS HD 320 319.7 GB disk15s2
-bash-3.2# diskutil unmount force /dev/disk1
disk1 was already unmounted or it has a partitioning scheme so use "diskutil unmountDisk" instead
-bash-3.2# diskutil unmountDisk force /dev/disk1
Forced unmount of all volumes on disk1 was successful
-bash-3.2# diskutil zeroDisk /dev/disk1
Started erase on disk1
Error: -69759: Securely erasing data to prevent recovery failed
Underlying error: 5: POSIX reports: Input/output error
-bash-3.2#

Thanks for the challenged ones who can give me a hand urgently :)
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wove
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Posts: 30
Joined: April 25th, 2008, 6:56 am

Re: Challenging problem to solve: anyone?

Post by wove » October 14th, 2013, 8:38 am

It is not clear to me what you are running the shell from if the computer is not booting from the hard drive. If you are running from installer media it would be most common to run the DiskUtility application to effect repairs and/or erase/reformt the hard drive for reuse.

If you are trying to effect repairs on the hard drive from another installed system, you are going to run into ownership issues. I am not sure if prefacing your commands with sudo would by pass those problems or not.

The "man diskutil" command will provided detailed information on the commands usage. More details on "Input/output" error can perhaps be found in the system logs, but often input/output errors are an indication of disk failure.

I still run Leopard on a G5 and am not familiar with the hard drive formats on intel systems. It would be my guess however that your MacBook Pro hard drive is the one listed with the GUID_partition_scheme and what you are trying to work on is its second partition (disk15s2).

If that is the case then I believe the proper commands would be:

diskutil unmount /dev/disk15/s2
diskutil repairVolume /dev/disk15s2

repairVolume could be replaced with other commands (repairPermissions, eraseDisk, eraseVolume, zeroDisk, etc) which are detailed using the command "man diskutil"

bill
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BCMac
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Posts: 1
Joined: April 6th, 2016, 3:15 pm

Re: Challenging problem to solve: anyone?

Post by BCMac » April 6th, 2016, 3:19 pm

Did you ever get this problem solved Anuries?
I am having the same problem with the same size partitions 524.3kb....
Please help!!!
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