When Hard Drives Die

If you've never seen the heart-warming attempts of Disk Utility trying to fix a very sick hard drive here's your chance. Disk utility can fix most things but when a hard drive has a serious hardware failure then there isn't much it can do but it will give it it's best shot:

Verify and Repair disk “Storage 500G”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Invalid node structure
Rebuilding Catalog B-tree.
Invalid node structure
Invalid record count
Invalid node structure
Invalid node structure
Invalid node structure
Invalid node structure
Invalid record count
Invalid node structure
Invalid node structure
Invalid node structure
Invalid node structure
Invalid node structure
Invalid node structure
Invalid record count
Rechecking volume.
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Missing thread record (id = 3869)
Missing thread record (id = 3954)
Missing thread record (id = 4298)
Incorrect number of thread records
Incorrect number of thread records
Checking Catalog hierarchy.
Missing thread record (id = 3869)
Invalid directory item count
(It should be 50 instead of 51)
Invalid directory item count
(It should be 10 instead of 20)
Invalid directory item count
(It should be 7 instead of 18)
Missing thread record (id = 4409)
Invalid directory item count
(It should be 0 instead of 19)
Invalid directory item count
(It should be 3 instead of 20)
Missing thread record (id = 3990)
Invalid directory item count
(It should be 0 instead of 34)
Missing thread record (id = 4096)
Invalid directory item count
(It should be 0 instead of 4)
Invalid directory item count
(It should be 1056 instead of 1084)
Invalid volume file count
(It should be 26628 instead of 26949)
Checking Extended Attributes file.
Checking volume bitmap.
Volume Bit Map needs minor repair
Checking volume information.
Invalid volume free block count
(It should be 49256844 instead of 49244276)
Repairing volume.
Missing directory record (id = 4298)
Missing directory record (id = 3954)
Look for missing items in lost+found directory.
Rechecking volume.
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Missing thread record (id = 4353)
Missing thread record (id = 4665)
Missing thread record (id = 4736)
Missing thread record (id = 4811)
Incorrect number of thread records
Checking Catalog hierarchy.
Invalid volume file count
(It should be 26714 instead of 26949)
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
Repairing volume.
Missing directory record (id = 4811)
Missing directory record (id = 4736)
Missing directory record (id = 4665)
Missing directory record (id = 4353)
Look for missing items in lost+found directory.
Rechecking volume.
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Checking Catalog hierarchy.
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
Invalid volume file count
(It should be 26949 instead of 26714)
The volume Storage 500G could not be repaired after 3 attempts.

Error: The underlying task reported failure on exit


1 HFS volume checked
1 volume could not be repaired because of an error
Repair attempted on 1 volume
1 volume could not be repaired