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Est-ce qu'on peut reformater l'actuel volume DATASOUND depuis la session de ton Mac => pour recréer un exFAT moins dépensier en espace ?
Salut macomaniacCe qui donne ici : 1000203091968 octets / 4294967296 = 232 octets.
je reviens vers toi car j'ai récupéré mon SSD de sauvegarde et j'ai fait ma sauvegarde. au passage ce SSD est en fat32, et effectivement cela ne me fait pas du tout la meme chose. Merci encore pour m'avoir fait découvert un truc un peu plus complexe que d'habitude.Je pourrai te passer une commande qui créera un exFAT moins consommateur d'espace à l'écriture de petits fichiers.
diskutil list
MacBook-Pro-de-SEBASTIEN:~ DjKnzY$ diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *1.0 TB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_APFS Container disk1 1.0 TB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +1.0 TB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD - Données 596.7 GB disk1s1
2: APFS Volume Preboot 93.6 MB disk1s2
3: APFS Volume Recovery 528.1 MB disk1s3
4: APFS Volume VM 10.7 GB disk1s4
5: APFS Volume Macintosh HD 11.0 GB disk1s5
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *1.0 TB disk2
1: Windows_NTFS DATASOUND 1.0 TB disk2s1
MacBook-Pro-de-SEBASTIEN:~ DjKnzY$
diskutil umount force disk2s1
sudo newfs_exfat -R -S 512 -c 2 -v DATASOUND /dev/disk2s1
Volume DATASOUND on disk2s1 force-unmounted
MacBook-Pro-de-SEBASTIEN:~ DjKnzY$ sudo newfs_exfat -R -S 512 -c 2 -v DATASOUND /dev/disk2s1
Password:
Volume name : DATASOUND
Partition offset : 2048 sectors (1048576 bytes)
Volume size : 1953521664 sectors (1000203091968 bytes)
Bytes per sector : 512
Bytes per cluster: 1024
FAT offset : 2048 sectors (1048576 bytes)
# FAT sectors : 7602176
Number of FATs : 1
Cluster offset : 7604224 sectors (3893362688 bytes)
# Clusters : 972958720
Volume Serial # : 5e9ef163
Bitmap start : 2
Bitmap file size : 121619840
Upcase start : 118772
Upcase file size : 5836
Root start : 118778
Bus error: 10
Bytes per sector : 512
Bytes per cluster: 1024
diskutil repairVolume disk2s1
Started file system repair on disk2s1 DATASOUND
Repairing file system
Volume is already unmounted
Performing fsck_exfat -y -x /dev/rdisk2s1
Checking volume
Checking main boot region
Main boot region is invalid. Trying alternate boot region
Checking alternate boot region
Alternate boot region is invalid
The volume could not be verified completely
File system check exit code is 1
Restoring the original state found as unmounted
Error: -69845: File system verify or repair failed
Underlying error: 1
MacBook-Pro-de-SEBASTIEN:~ DjKnzY$
sudo newfs_exfat -R -S 512 -c 4 -v DATASOUND /dev/disk2s1
Volume name : DATASOUND
Partition offset : 2048 sectors (1048576 bytes)
Volume size : 1953521664 sectors (1000203091968 bytes)
Bytes per sector : 512
Bytes per cluster: 2048
FAT offset : 2048 sectors (1048576 bytes)
# FAT sectors : 3809280
Number of FATs : 1
Cluster offset : 3811328 sectors (1951399936 bytes)
# Clusters : 487427584
Volume Serial # : 5e9ef5f4
Bitmap start : 2
Bitmap file size : 60928448
Upcase start : 29753
Upcase file size : 5836
Root start : 29756
Bytes per sector : 512
Bytes per cluster: 2048
diskutil repairVolume disk2s1
Started file system repair on disk2s1 DATASOUND
Repairing file system
Volume is already unmounted
Performing fsck_exfat -y -x /dev/rdisk2s1
Checking volume
Checking main boot region
Checking system files
Volume name is DATASOUND
Checking upper case translation table
Checking file system hierarchy
Checking active bitmap
File system check exit code is 6
Restoring the original state found as unmounted
Error: -69845: File system verify or repair failed
Underlying error: 6
sudo newfs_exfat -R -S 512 -c 8 -v DATASOUND /dev/disk2s1
Volume name : DATASOUND
Partition offset : 2048 sectors (1048576 bytes)
Volume size : 1953521664 sectors (1000203091968 bytes)
Bytes per sector : 512
Bytes per cluster: 4096
FAT offset : 2048 sectors (1048576 bytes)
# FAT sectors : 1906688
Number of FATs : 1
Cluster offset : 1908736 sectors (977272832 bytes)
# Clusters : 243951616
Volume Serial # : 5e9ef8d4
Bitmap start : 2
Bitmap file size : 30493952
Upcase start : 7447
Upcase file size : 5836
Root start : 7449