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How to resolve ‘file system formatter failed’ when using disk utility in Mac OS X 10.5?

Macintosh system comprises of disk utility as an inbuilt tool that is responsible for performing drive related functions, mounting hard drives, erasing volumes, verifying & repairing it. File system journaling can be enabled or disabled & likewise there are numerous other functionalities served by the tool. Though users may acknowledge improper functioning with its usage and the process stops thereby.

As for instance when disk utility is used to delete or format hard drive volume in Mac OS X system, unusual performance may be experienced which could lead to data loss & therefore its recovery done in a proper way out.

In a particular situation like this, when disk utility is used for formatting or removing Mac OS X leopard hard drive volume, the process fails showing the following message -

File system formatter failed

The very issue of file system formatter failed disk utility mostly occurs in situations when trying to change file system of Mac volume.

What causes “file system formatter failed” error?

One of the following causes may lead to error as described above –

  • Incompatibility between Leopard disk utility used to that of Mac OS X partition
  • Mac partition table is damaged & this prevents the utility from performing its task

How to fix “file system formatter failed” OS X?

For getting rid of the problem so observed, Macintosh hard disk has to be repartitioned. This would solve all issues hard drive has been confronting, but the major problem this would lead to is deletion of data items stored inside. It therefore is necessary to create data backup & its integrity checked so that safe data restore could be done.

The steps to do so follow as –

  • Open disk utility, select the hard drive and then click ‘partition' tab
  • Select number of partitions from drop-down list
  • From ‘options' menu select the type of partition
  • Specify the size of partition & then ‘partition' option is to be clicked

With this hard drive has been partitioned and made to work properly. Now the lost data has to be restored from backup. However, if it could not be done so, disk recovery mac has to be done to recover deleted & lost files completely & easily. Its read only mechanism helps in safe rescue of files in all cases.