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Broke code block into its constituent commands for sanity
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JW0914
JW0914
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diskutil list
  /dev/disk0 (internal, physical):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *250.1 GB   disk0
      1:                        EFI EFI                     209.7 MB   disk0s1
      2:                 Apple_APFS Container disk1         124.7 GB   disk0s2
      3:       Microsoft Basic Data DEBIAN                  124.5 GB   disk0s3
      4:                 Apple_Boot Recovery HD             650.0 MB   disk0s4

  /dev/disk1 (synthesized):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      APFS Container Scheme -                      +124.7 GB   disk1
                                    Physical Store disk0s2
      1:                APFS Volume OSX                     21.4 GB    disk1s1
      2:                APFS Volume Preboot                 22.9 MB    disk1s2
      3:                APFS Volume Recovery                512.0 MB   disk1s3
      4:                APFS Volume VM                      20.5 KB    disk1s4

  /dev/disk2 (external, physical):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *8.0 TB     disk2
      1:                        EFI EFI                     209.7 MB   disk2s1
      2:          Apple_CoreStorage Seagate                 8.0 TB     disk2s2
      3:                 Apple_Boot Boot OS X               134.2 MB   disk2s3

  /dev/disk3 (external, virtual):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:                  Apple_HFS Seagate                +8.0 TB     disk3
                                    Logical Volume on disk2s2
                                    784988D6-B233-4BFC-AB1C-45EA7FF24640
                                    Unencrypted
 
 
sudo fsck_hfs -l /dev/disk3
 
  ** /dev/rdisk3 (NO WRITE)
      Executing fsck_hfs (version hfs-407.50.6).
  ** Performing live verification.
  ** Checking Journaled HFS Plus volume.
      The volume name is Seagate
  ** Checking extents overflow file.
      Invalid leaf record count
      (It should be 190 instead of 192)
  ** Checking catalog file.
      Invalid sibling link
  (4, 318227)
  ** The volume Seagate was found corrupt and needs to be repaired.
 
 
sudo fsck_hfs -r
 
  ** /dev/rdisk3
      Executing fsck_hfs (version hfs-407.50.6).
  ** Checking Journaled HFS Plus volume.
      The volume name is Seagate
  ** Checking extents overflow file.
      Invalid leaf record count
      (It should be 190 instead of 192)
  ** Checking catalog file.
  ** Rebuilding catalog B-tree.
  ** The volume Seagate could not be repaired.

diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *250.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         124.7 GB   disk0s2
   3:       Microsoft Basic Data DEBIAN                  124.5 GB   disk0s3
   4:                 Apple_Boot Recovery HD             650.0 MB   disk0s4

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +124.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume OSX                     21.4 GB    disk1s1
   2:                APFS Volume Preboot                 22.9 MB    disk1s2
   3:                APFS Volume Recovery                512.0 MB   disk1s3
   4:                APFS Volume VM                      20.5 KB    disk1s4

/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *8.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:          Apple_CoreStorage Seagate                 8.0 TB     disk2s2
   3:                 Apple_Boot Boot OS X               134.2 MB   disk2s3

/dev/disk3 (external, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Seagate                +8.0 TB     disk3
                                 Logical Volume on disk2s2
                                 784988D6-B233-4BFC-AB1C-45EA7FF24640
                                 Unencrypted
 
sudo fsck_hfs -l /dev/disk3
 
** /dev/rdisk3 (NO WRITE)
   Executing fsck_hfs (version hfs-407.50.6).
** Performing live verification.
** Checking Journaled HFS Plus volume.
   The volume name is Seagate
** Checking extents overflow file.
   Invalid leaf record count
   (It should be 190 instead of 192)
** Checking catalog file.
   Invalid sibling link
(4, 318227)
** The volume Seagate was found corrupt and needs to be repaired.
 
sudo fsck_hfs -r
 
** /dev/rdisk3
   Executing fsck_hfs (version hfs-407.50.6).
** Checking Journaled HFS Plus volume.
   The volume name is Seagate
** Checking extents overflow file.
   Invalid leaf record count
   (It should be 190 instead of 192)
** Checking catalog file.
** Rebuilding catalog B-tree.
** The volume Seagate could not be repaired.

diskutil list
  /dev/disk0 (internal, physical):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *250.1 GB   disk0
      1:                        EFI EFI                     209.7 MB   disk0s1
      2:                 Apple_APFS Container disk1         124.7 GB   disk0s2
      3:       Microsoft Basic Data DEBIAN                  124.5 GB   disk0s3
      4:                 Apple_Boot Recovery HD             650.0 MB   disk0s4

  /dev/disk1 (synthesized):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      APFS Container Scheme -                      +124.7 GB   disk1
                                    Physical Store disk0s2
      1:                APFS Volume OSX                     21.4 GB    disk1s1
      2:                APFS Volume Preboot                 22.9 MB    disk1s2
      3:                APFS Volume Recovery                512.0 MB   disk1s3
      4:                APFS Volume VM                      20.5 KB    disk1s4

  /dev/disk2 (external, physical):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:      GUID_partition_scheme                        *8.0 TB     disk2
      1:                        EFI EFI                     209.7 MB   disk2s1
      2:          Apple_CoreStorage Seagate                 8.0 TB     disk2s2
      3:                 Apple_Boot Boot OS X               134.2 MB   disk2s3

  /dev/disk3 (external, virtual):
      #:                       TYPE NAME                    SIZE       IDENTIFIER
      0:                  Apple_HFS Seagate                +8.0 TB     disk3
                                    Logical Volume on disk2s2
                                    784988D6-B233-4BFC-AB1C-45EA7FF24640
                                    Unencrypted
 
sudo fsck_hfs -l /dev/disk3
  ** /dev/rdisk3 (NO WRITE)
      Executing fsck_hfs (version hfs-407.50.6).
  ** Performing live verification.
  ** Checking Journaled HFS Plus volume.
      The volume name is Seagate
  ** Checking extents overflow file.
      Invalid leaf record count
      (It should be 190 instead of 192)
  ** Checking catalog file.
      Invalid sibling link
  (4, 318227)
  ** The volume Seagate was found corrupt and needs to be repaired.
 
sudo fsck_hfs -r
  ** /dev/rdisk3
      Executing fsck_hfs (version hfs-407.50.6).
  ** Checking Journaled HFS Plus volume.
      The volume name is Seagate
  ** Checking extents overflow file.
      Invalid leaf record count
      (It should be 190 instead of 192)
  ** Checking catalog file.
  ** Rebuilding catalog B-tree.
  ** The volume Seagate could not be repaired.
added 236 characters in body
Source Link
Tetsujin
Tetsujin
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diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *250.1 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_APFS Container disk1 124.7 GB disk0s2 3: Microsoft Basic Data DEBIAN 124.5 GB disk0s3 4: Apple_Boot Recovery HD 650.0 MB disk0s4

/dev/disk1 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +124.7 GB disk1 Physical Store disk0s2 1: APFS Volume OSX 21.4 GB disk1s1 2: APFS Volume Preboot 22.9 MB disk1s2 3: APFS Volume Recovery 512.0 MB disk1s3 4: APFS Volume VM 20.5 KB disk1s4

/dev/disk2 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *8.0 TB disk2 1: EFI EFI 209.7 MB disk2s1 2: Apple_CoreStorage Seagate 8.0 TB disk2s2 3: Apple_Boot Boot OS X 134.2 MB disk2s3

/dev/disk3 (external, virtual): #: TYPE NAME SIZE IDENTIFIER 0: Apple_HFS Seagate +8.0 TB disk3 Logical Volume on disk2s2 784988D6-B233-4BFC-AB1C-45EA7FF24640 Unencrypted

sudo fsck_hfs -l /dev/disk3

** /dev/rdisk3 (NO WRITE) Executing fsck_hfs (version hfs-407.50.6). ** Performing live verification. ** Checking Journaled HFS Plus volume. The volume name is Seagate ** Checking extents overflow file. Invalid leaf record count (It should be 190 instead of 192) ** Checking catalog file. Invalid sibling link (4, 318227) ** The volume Seagate was found corrupt and needs to be repaired.

sudo fsck_hfs -r

** /dev/rdisk3 Executing fsck_hfs (version hfs-407.50.6). ** Checking Journaled HFS Plus volume. The volume name is Seagate ** Checking extents overflow file. Invalid leaf record count (It should be 190 instead of 192) ** Checking catalog file. ** Rebuilding catalog B-tree. ** The volume Seagate could not be repaired.

diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *250.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         124.7 GB   disk0s2
   3:       Microsoft Basic Data DEBIAN                  124.5 GB   disk0s3
   4:                 Apple_Boot Recovery HD             650.0 MB   disk0s4

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +124.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume OSX                     21.4 GB    disk1s1
   2:                APFS Volume Preboot                 22.9 MB    disk1s2
   3:                APFS Volume Recovery                512.0 MB   disk1s3
   4:                APFS Volume VM                      20.5 KB    disk1s4

/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *8.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:          Apple_CoreStorage Seagate                 8.0 TB     disk2s2
   3:                 Apple_Boot Boot OS X               134.2 MB   disk2s3

/dev/disk3 (external, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Seagate                +8.0 TB     disk3
                                 Logical Volume on disk2s2
                                 784988D6-B233-4BFC-AB1C-45EA7FF24640
                                 Unencrypted

sudo fsck_hfs -l /dev/disk3

** /dev/rdisk3 (NO WRITE)
   Executing fsck_hfs (version hfs-407.50.6).
** Performing live verification.
** Checking Journaled HFS Plus volume.
   The volume name is Seagate
** Checking extents overflow file.
   Invalid leaf record count
   (It should be 190 instead of 192)
** Checking catalog file.
   Invalid sibling link
(4, 318227)
** The volume Seagate was found corrupt and needs to be repaired.

sudo fsck_hfs -r

** /dev/rdisk3
   Executing fsck_hfs (version hfs-407.50.6).
** Checking Journaled HFS Plus volume.
   The volume name is Seagate
** Checking extents overflow file.
   Invalid leaf record count
   (It should be 190 instead of 192)
** Checking catalog file.
** Rebuilding catalog B-tree.
** The volume Seagate could not be repaired.

diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *250.1 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_APFS Container disk1 124.7 GB disk0s2 3: Microsoft Basic Data DEBIAN 124.5 GB disk0s3 4: Apple_Boot Recovery HD 650.0 MB disk0s4

/dev/disk1 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +124.7 GB disk1 Physical Store disk0s2 1: APFS Volume OSX 21.4 GB disk1s1 2: APFS Volume Preboot 22.9 MB disk1s2 3: APFS Volume Recovery 512.0 MB disk1s3 4: APFS Volume VM 20.5 KB disk1s4

/dev/disk2 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *8.0 TB disk2 1: EFI EFI 209.7 MB disk2s1 2: Apple_CoreStorage Seagate 8.0 TB disk2s2 3: Apple_Boot Boot OS X 134.2 MB disk2s3

/dev/disk3 (external, virtual): #: TYPE NAME SIZE IDENTIFIER 0: Apple_HFS Seagate +8.0 TB disk3 Logical Volume on disk2s2 784988D6-B233-4BFC-AB1C-45EA7FF24640 Unencrypted

sudo fsck_hfs -l /dev/disk3

** /dev/rdisk3 (NO WRITE) Executing fsck_hfs (version hfs-407.50.6). ** Performing live verification. ** Checking Journaled HFS Plus volume. The volume name is Seagate ** Checking extents overflow file. Invalid leaf record count (It should be 190 instead of 192) ** Checking catalog file. Invalid sibling link (4, 318227) ** The volume Seagate was found corrupt and needs to be repaired.

sudo fsck_hfs -r

** /dev/rdisk3 Executing fsck_hfs (version hfs-407.50.6). ** Checking Journaled HFS Plus volume. The volume name is Seagate ** Checking extents overflow file. Invalid leaf record count (It should be 190 instead of 192) ** Checking catalog file. ** Rebuilding catalog B-tree. ** The volume Seagate could not be repaired.

diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *250.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         124.7 GB   disk0s2
   3:       Microsoft Basic Data DEBIAN                  124.5 GB   disk0s3
   4:                 Apple_Boot Recovery HD             650.0 MB   disk0s4

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +124.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume OSX                     21.4 GB    disk1s1
   2:                APFS Volume Preboot                 22.9 MB    disk1s2
   3:                APFS Volume Recovery                512.0 MB   disk1s3
   4:                APFS Volume VM                      20.5 KB    disk1s4

/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *8.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:          Apple_CoreStorage Seagate                 8.0 TB     disk2s2
   3:                 Apple_Boot Boot OS X               134.2 MB   disk2s3

/dev/disk3 (external, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS Seagate                +8.0 TB     disk3
                                 Logical Volume on disk2s2
                                 784988D6-B233-4BFC-AB1C-45EA7FF24640
                                 Unencrypted

sudo fsck_hfs -l /dev/disk3

** /dev/rdisk3 (NO WRITE)
   Executing fsck_hfs (version hfs-407.50.6).
** Performing live verification.
** Checking Journaled HFS Plus volume.
   The volume name is Seagate
** Checking extents overflow file.
   Invalid leaf record count
   (It should be 190 instead of 192)
** Checking catalog file.
   Invalid sibling link
(4, 318227)
** The volume Seagate was found corrupt and needs to be repaired.

sudo fsck_hfs -r

** /dev/rdisk3
   Executing fsck_hfs (version hfs-407.50.6).
** Checking Journaled HFS Plus volume.
   The volume name is Seagate
** Checking extents overflow file.
   Invalid leaf record count
   (It should be 190 instead of 192)
** Checking catalog file.
** Rebuilding catalog B-tree.
** The volume Seagate could not be repaired.
Source Link
Per Arne Nilssen
Per Arne Nilssen
  • 1

HFS+ encrypted external could not mount or not be repaired - OS X

I have a serious problem with my TimeMachine external 8TB Seagate. It has been used as my TimeMachine disk. Did a full backup, installed lastest OS X from scratch and the external disk will no longer mount. My pictures are on this disk. Here are the commands I have run to try and fix this. I don't want to use DiskWarrior or any other Thirdparty software.

diskutil list /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *250.1 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_APFS Container disk1 124.7 GB disk0s2 3: Microsoft Basic Data DEBIAN 124.5 GB disk0s3 4: Apple_Boot Recovery HD 650.0 MB disk0s4

/dev/disk1 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +124.7 GB disk1 Physical Store disk0s2 1: APFS Volume OSX 21.4 GB disk1s1 2: APFS Volume Preboot 22.9 MB disk1s2 3: APFS Volume Recovery 512.0 MB disk1s3 4: APFS Volume VM 20.5 KB disk1s4

/dev/disk2 (external, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *8.0 TB disk2 1: EFI EFI 209.7 MB disk2s1 2: Apple_CoreStorage Seagate 8.0 TB disk2s2 3: Apple_Boot Boot OS X 134.2 MB disk2s3

/dev/disk3 (external, virtual): #: TYPE NAME SIZE IDENTIFIER 0: Apple_HFS Seagate +8.0 TB disk3 Logical Volume on disk2s2 784988D6-B233-4BFC-AB1C-45EA7FF24640 Unencrypted

sudo fsck_hfs -l /dev/disk3

** /dev/rdisk3 (NO WRITE) Executing fsck_hfs (version hfs-407.50.6). ** Performing live verification. ** Checking Journaled HFS Plus volume. The volume name is Seagate ** Checking extents overflow file. Invalid leaf record count (It should be 190 instead of 192) ** Checking catalog file. Invalid sibling link (4, 318227) ** The volume Seagate was found corrupt and needs to be repaired.

sudo fsck_hfs -r

** /dev/rdisk3 Executing fsck_hfs (version hfs-407.50.6). ** Checking Journaled HFS Plus volume. The volume name is Seagate ** Checking extents overflow file. Invalid leaf record count (It should be 190 instead of 192) ** Checking catalog file. ** Rebuilding catalog B-tree. ** The volume Seagate could not be repaired.