Disk utility can be a potent application added to Mac OS X that can efficiently sort out and take care of all of the drive associated troubles encountered inside a Mac technique. Technology-not only for creation or compression of disk images, mounting disks or removable media, formatting or partitioning disks, checking Wise attributes, verifying the disk’s integrity. The utility can perform a live verification of one’s commence up Mac volume without requiring the need to commence from one more volume. But though performing the repair of one’s boot volume, you’ll want to commence the technique Mac OS X Install DVD. Occasionally, the tool could neglect to repair the disk and return numerous error messages. This may make you shed each of the data stored in your Mac technique. To overcome this issue, you might want to select Mac file recovery by way of a trustworthy third-party utility.
For example, that you are having a PM G5 Tiger HDD that becomes un-mountable as a result of some reason. Now, you bring a brand new drive and install Mac OS X Leopard on it. Though trying to run Leopard Disk Utility on the old drive, you may receive the following error message in your screen:
“Verifying volume ‘PM G5 hd’
Checking Journaled HFS Plus volume Invalid record count.
Checking Extents Overflow file.
Checking Catalog file.
Invalid record count Volume check failed.
Error: Filesystem verify or repair failed.”
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After the above error message appears, the HDD becomes unmountable, further producing inaccessibility of all of the data.
Cause: The above error message occurs on your computer system screen because of corrupt HFS (Hierarchical File Method). The above error would render your system inaccessible. As a consequence, you might get into a severe data loss circumstance. In such situations, you’ll be able to carry out deleted recovery of one’s lost data using an updated backup. On the other hand, if the backup just isn’t there, you should follow the below given resolution actions.
Resolution: To solve the above issue, attempt these actions: Repair the corrupt file technique employing ‘fsck’ command line utility. Format the tough drive and re-install Mac operating system.
Formatting the technique hard disk drive will erase each of the very important data. To recover deleted files in such circumstances, you should take help of an efficient third-party recovery tool. The software program are capable of recovering almost every bit of information from your Mac technique in all cases of data loss. You may also use them to create an image of one’s difficult drive.