Anyway, being a Mac disk, I connected the new disk to a Mac and ran Disk tools, which told me that the filesystem needed repairs.The above message doesn’t show up in normal circumstances of disk errors.You can go through the process of bootable USB creation here. Choose bootable USB created through Stellar Volume Repair.Step 2) Now, shut down Mac and press the power button. Step 3) Stellar Volume Repair will run in the bootable environment.I'll try to attach a picture of it to make things clearer. Additional info: Computer I am using a mac book, snow lepoard Well, ultimately I got a message that said,"Disk Utility stopped repairing HD". Since I don't really have anything that I NEED or haven't backed up somewhere, I've erased everything. With the help of the Volume Repair utility, you can fix HFS formatted SSDs and traditional hard drives.
To repair Mac startup drive, use steps: Step 1) Launch Stellar Volume Repair to create a bootable USB media.But doing this may also result in copying errors to another location.Moreover, the corruption may not allow you to copy & paste all the files from the disk.All don't get me past the "you need to restart your computer message" upon starting up.So now I've put in the start up disk, and gone to disk utility in an attempt to solve my issue.I clicked repair disk, and so far the details are as follows: Verify and Repair volume "'Mactintosh HD" Volume repair complete.Updating boot support partitions for the volume as required.Use below line sudo fsck_hfs -r -d /dev/disk1s1 The command (-r) in above code will recreate Catalog B – Tree.It will help you fix Invalid B-tree node problem occurred on the disk drive.I have used GNU ddrescue to copy a crashed WD external disk over to an identical one.ddrescue told me that 9 MB out of 2TB could not be rescued, so I think that's pretty good.