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fsck

Hi everyone,

 

My Mac has just finished performing a fsck_hfs on an external 2TB HDD which is formatted to HFS+

 

It is a MacBook Pro late 2011 15" with a core i7, 16GB DDR3 memory and a 256GB SSD

 

The results are as follows:

 

** /dev/rdisk2 (NO WRITE)

Scanning entire disk for bad blocks

   Executing fsck_hfs (version hfs-407.1.3).

volumeType is 0

0000:  0000 0000 0000 0000 0000 0000 0000 0000       |................|

. . .

01b0:  0000 0000 0000 0000 0000 0000 0000 00fe       |................|

01c0:  ffff eefe ffff 0100 0000 ff87 dfe8 0000       |................|

01d0:  0000 0000 0000 0000 0000 0000 0000 0000       |................|

. . .

01f0:  0000 0000 0000 0000 0000 0000 0000 55aa       |..............U.|

 

 

 

And this is the log

 

 

/dev/rdisk2s2: fsck_hfs started at Mon Oct  2 10:36:23 2017

/dev/rdisk2s2: /dev/rdisk2s2: ** /dev/rdisk2s2 (NO WRITE)

/dev/rdisk2s2:    Executing fsck_hfs (version hfs-407.1.3).

QUICKCHECK ONLY; FILESYSTEM CLEAN

/dev/rdisk2s2: fsck_hfs completed at Mon Oct  2 10:36:23 2017

 

 

/dev/rdisk2s2: fsck_hfs started at Mon Oct  2 10:43:50 2017

/dev/rdisk2s2: /dev/rdisk2s2:    Executing fsck_hfs (version hfs-407.1.3).

/dev/rdisk2s2: ** Checking Journaled HFS Plus volume.

/dev/rdisk2s2:    The volume name is Untitled

/dev/rdisk2s2: ** Checking extents overflow file.

/dev/rdisk2s2: ** Checking catalog file.

/dev/rdisk2s2: ** Checking multi-linked files.

/dev/rdisk2s2: ** Checking catalog hierarchy.

/dev/rdisk2s2: ** Checking extended attributes file.

/dev/rdisk2s2: ** Checking volume bitmap.

/dev/rdisk2s2: ** Checking volume information.

/dev/rdisk2s2: ** The volume Untitled appears to be OK.

/dev/rdisk2s2: fsck_hfs completed at Mon Oct  2 10:44:18 2017

 

 

/dev/rdisk2s2: fsck_hfs started at Mon Oct  2 10:44:19 2017

/dev/rdisk2s2: /dev/rdisk2s2: ** /dev/rdisk2s2 (NO WRITE)

/dev/rdisk2s2:    Executing fsck_hfs (version hfs-407.1.3).

QUICKCHECK ONLY; FILESYSTEM CLEAN

/dev/rdisk2s2: fsck_hfs completed at Mon Oct  2 10:44:19 2017

 

 

/dev/rdisk2: fsck_hfs started at Mon Oct  2 10:50:33 2017

/dev/rdisk2: /dev/rdisk2: ** /dev/rdisk2 (NO WRITE)

/dev/rdisk2: Scanning entire disk for bad blocks

/dev/rdisk2:    Executing fsck_hfs (version hfs-407.1.3).

volumeType is 0

/dev/rdisk2: 0000:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2:   /dev/rdisk2:     |/dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: |

/dev/rdisk2: . . .

/dev/rdisk2: 01b0:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: fe/dev/rdisk2:  /dev/rdisk2:   /dev/rdisk2:     |/dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: |

/dev/rdisk2: 01c0:  /dev/rdisk2: ff/dev/rdisk2: ff/dev/rdisk2:  /dev/rdisk2: ee/dev/rdisk2: fe/dev/rdisk2:  /dev/rdisk2: ff/dev/rdisk2: ff/dev/rdisk2:  /dev/rdisk2: 01/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: ff/dev/rdisk2: 87/dev/rdisk2:  /dev/rdisk2: df/dev/rdisk2: e8/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2:   /dev/rdisk2:     |/dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: |

/dev/rdisk2: 01d0:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2:   /dev/rdisk2:     |/dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: |

/dev/rdisk2: . . .

/dev/rdisk2: 01f0:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 00/dev/rdisk2: 00/dev/rdisk2:  /dev/rdisk2: 55/dev/rdisk2: aa/dev/rdisk2:  /dev/rdisk2:   /dev/rdisk2:     |/dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: ./dev/rdisk2: U/dev/rdisk2: ./dev/rdisk2: |

/dev/rdisk2: fsck_hfs completed at Tue Oct  3 02:48:19 2017

 

What exactly do the dots and one U mean from stdout? I know with a RAID that a missing U means it is failing, is this the case here? Or is it telling me that only one sector is failing?

 

Many thanks

最后更新：2017-10-03 16:19:18

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