Repair & Recover Mac corrupt HFS disk

Views:
 
     
 

Presentation Description

Repair a logically corrupt Mac disk with simple but effective tips.

Comments

Presentation Transcript

Repair Corrupt Mac disk:

Repair Corrupt Mac disk Invalid B tree Node Invalid Record Count Invalid index key Invalid sibling link Invalid B-tree node size Missing thread record Invalid leaf record count Invalid volume file count Invalid volume directory count Invalid volume free block count Incorrect number of directory hard links Overlapped node allocation Invalid catalog record type Invalid catalog PEOF Invalid extent file PEOF Invalid B-tree header Catalog file entry not found for extent Missing directory record Invalid key for thread record Invalid parent CName in thread record Invalid BSD file type

When HFS Disk is @risk?:

When HFS Disk is @risk? Disk utility fails to repair the drive. Disk Utility recommends to backup as much data as possible from the corrupt disk to a healthy drive. Disk fails to mount on the desktop. Data inside disk becomes inaccessible. Move to next slide to view some deadly disk errors.

Invalid B tree Node Size:

Invalid B tree Node Size

Invalid Record Count :

Invalid Record Count

Image the corrupt disk:

Image the corrupt disk Try to image the corrupt disk in order to copy data from the good sectors of the drive. Once image is created, extract the data. Erase the corrupt drive through Disk Utility with HFS partition format. Reconnect the disk and Verify with Disk Utility.

Alternative option to repair corrupt disk:

Alternative option to repair corrupt disk The ‘ Image ’ of the corrupt disk may not be a success due to severe logical corruption on the source drive. Download Stellar Volume Optimizer software to repair Invalid B tree & Invalid record count errors.

List of disk errors supported by Stellar Volume Optimizer:

List of disk errors supported by Stellar Volume Optimizer Invalid node structure Keys out of order Invalid key length Invalid directory item count Invalid extent entry Invalid extent entry Invalid record count Invalid index key Invalid sibling link Invalid B-tree node size Missing thread record Invalid leaf record count Invalid volume file count Invalid volume directory count Invalid volume free block count Missing file record for file thread Invalid root node number IPrevious ID in a hard link chain is incorrect Next ID in a hard link chain is incorrect Incorrect flags for file iNode Invalid volume header Volume header needs minor repair Volume bitmap needs minor repair Incorrect number of thread records Incorrect number of extended attributes Incorrect number of Access Control Lists Unused node is not erased Invalid node height Incorrect block count for file Overlapped extent allocation Invalid number of allocation blocks Invalid BTH length Overlapped node allocation Invalid catalog record type Invalid catalog PEOF Invalid extent file PEOF

Scan bad disk with Volume Optimizer:

Scan bad disk with Volume Optimizer

Rebuild Partition Directory:

Rebuild Partition Directory Click the ‘ Rebuild ’ button to recreate the corrupt Volume directory structure. The software Verifies the disk structure. It then Identifies the Errors. Later, it Replaces/Rebuilds the damaged volume structure of the partition.

Get Complete Disk Info:

Get Complete Disk Info

Thanks!!:

Thanks!! Stellar Volume Optimizer also incorporates JOURNAILING to safeguard the drive’s integrity. To overview, free download the software.

authorStream Live Help