Questo collegamento non mi aiuta: Why I ' ottenere "macOS non può riparare il disco"
StavoriavviandoilmioMacBookAirehoricevutoquestomessaggio:
Èancorapossibileaprireocopiarefilesuldisco,manonèpossibilesalvarelemodificheaifilesuldisco.Eseguiilbackupdeldiscoeriformattaloappenapossibile.
Repairing file system.
Checking Journaled HFS Plus volume.
Checking extents overflow file.
Checking catalog file.
Invalid map node linkage
The volume ADATAHD could not be verified completely.
File system check exit code is 8.
Updating boot support partitions for the volume as required.
File system verify or repair failed.
Operation failed…
Stavo provando con:
$ diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage Macintosh HD 120.5 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1 (internal, virtual):
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD +120.1 GB disk1
Logical Volume on disk0s2
7887C476-CBE0-4D10-B95A-5C79F83B20D7
Unencrypted
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk2
1: EFI EFI 209.7 MB disk2s1
2: Apple_HFS ADATAHD 999.9 GB disk2s2
$
$ sudo fsck_hfs -l /dev/disk2
Password:
Sorry, try again.
Password:
** /dev/rdisk2 (NO WRITE)
Executing fsck_hfs (version hfs-366.70.1).
0000: 0000 0000 0000 0000 0000 0000 0000 0000 |................|
. . .
01b0: 0000 0000 0000 0000 0000 0000 0000 00fe |................|
01c0: ffff eefe ffff 0100 0000 af6d 7074 0000 |...........mpt..|
01d0: 0000 0000 0000 0000 0000 0000 0000 0000 |................|
. . .
01f0: 0000 0000 0000 0000 0000 0000 0000 55aa |..............U.|
$
$ diskutil verifyVolume /dev/disk2s1
Started file system verification on disk2s1 EFI
Verifying file system
File system check exit code is 0
Finished file system verification on disk2s1 EFI
$ diskutil verifyVolume /dev/disk2s2
Started file system verification on disk2s2 ADATAHD
Verifying file system
Checking Journaled HFS Plus volume
Checking extents overflow file
Checking catalog file
Invalid map node linkage
The volume ADATAHD could not be verified completely
File system check exit code is 8
Error: -69845: File system verify or repair failed
Underlying error: 8: Exec format error
$
È possibile risolvere questo problema senza eliminare (backup in un altro HD)?
$ sudo fsck -f -l /dev/disk2
fsck: -l flag requires a number
$
Come utilizzare l'argomento -l (quale numero)?