macOS Monterey 2 Volumes disques internes - Données: 1 en trop !

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Mac à Rosny

Membre expert
Club iGen
26 Juin 2005
1 075
59
Bonjour,

Onyx me signale un problème sur mon disque dur interne (DDI) de démarrage, formaté en APFS. Un reformage est nécessaire.
Utilitaire de disque >> Effacer >> Récupération par volume interne.

Depuis, Onyx me rassure entièrement, par contre, j'ai une bizarrerie qui “m'interpelle au niveau du vécu”:

J'ai 2 dossiers différents Volume HD - Données. Ils ne sont pas vides.
De plus, l'un des 2 monte au démarrage du Mac. L'autre reste invisible.
Je suppose que je devrais pouvoir supprimer le volume qui monte (d'autant que Time Machine s'est mis en tête de le sauvegarder, alors qu'il n'a pas assez d'espace pour le faire).
Mais j'attends vos avis éclairés avant de commettre la bourde de la décennie, en balançant dans le Terminal un tonitruant:
diskutil ap deleteVolume disk1s1 ; diskutil list
--
TERMINAL

Bloc de code:
~ % diskutil list internal
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI ⁨EFI⁩                     314.6 MB   disk0s1
   2:                 Apple_APFS ⁨Container disk1⁩         250.7 GB   disk0s2

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +250.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume ⁨Preboot⁩                 271.1 MB   disk1s1
   2:                APFS Volume ⁨Recovery⁩                1.1 GB     disk1s2
   3:                APFS Volume ⁨MacHD 250 Go - Données⁩  12.2 GB    disk1s3
   4:                APFS Volume ⁨VM⁩                      24.6 KB    disk1s4
   5:                APFS Volume ⁨MacHD 250 Go - Données⁩  173.3 GB   disk1s5
   6:                APFS Volume ⁨MacHD 250 Go⁩            15.7 GB    disk1s7
   7:              APFS Snapshot ⁨com.apple.os.update-...⁩ 15.7 GB    disk1s7s1

Merci d'avance aux sorciers du Mac.
 
J'ai ça aussi:

Bloc de code:
% diskutil ap listGroups disk1
|
+-- Container disk1 6B06389E-4693-44C0-98B2-6E467E7AF12F
    |
    +-> Volume Group 1C8E74E6-1D79-470D-9931-066E06B28959
        =================================================
        APFS Volume Disk (Role):   disk1s5 (Data)
        Name:                      MacHD 250 Go - Données
        Volume UUID:               1C8E74E6-1D79-470D-9931-066E06B28959
        Capacity Consumed:         155836133376 B (155.8 GB)
        -------------------------------------------------
        APFS Volume Disk (Role):   disk1s7 (System)
        Name:                      MacHD 250 Go
        Volume UUID:               BC170C66-031A-42A8-A772-302AE8B91CF1
        Capacity Consumed:         15749922816 B (15.7 GB)
 
Bonjour Mac

Il y a effectivement 2 volumes de type "Données" dans le Conteneur. L'un doit être en service > l'autre sans emploi.

- passe la commande :​
Bloc de code:
diskutil ap list
  • qui affiche un tableau détaillé de l'apfs. Il donnera notamment les points de montage des volumes --> ce qui permettra de discriminer entre les 2 volumes-Données

Poste le tableau.
 
Merci pour ton aide experte macmaniac, APFSologue émérite.

La config comporte:

  • 1 HD interne MacOS
  • 1 DDE Time Machine
  • 3 DDE et leur 3 DDE de backup (dont 3 RAID sur les 6 DDE).

Un autre détail:
Quand j'ai redémarré le Mac après la récup, j'ai eu une flopée de volumes "Update" qui sont montés au Finder.
Ils ont disparu depuis.

Voici le looOOong tableau détaillé (je ne l'avais pas posté car il dépassait la taille maxi de 10 000 car. et pour simplifier la tâche des lecteurs éventuels).
Bonne lecture.

Merci encore.

TABLEAU 1/2

Bloc de code:
~ % diskutil ap list
APFS Containers (7 found)
|
+-- Container disk1 6B06389E-4693-44C0-98B2-6E467E7AF12F
|   ====================================================
|   APFS Container Reference:     disk1
|   Size (Capacity Ceiling):      250685575168 B (250.7 GB)
|   Capacity In Use By Volumes:   202782228480 B (202.8 GB) (80.9% used)
|   Capacity Not Allocated:       47903346688 B (47.9 GB) (19.1% free)
|   |
|   +-< Physical Store disk0s2 C8C77B26-F682-4C8C-A6C4-6577F6DCA34E
|   |   -----------------------------------------------------------
|   |   APFS Physical Store Disk:   disk0s2
|   |   Size:                       250685575168 B (250.7 GB)
|   |
|   +-> Volume disk1s1 742D894E-0A3D-45A4-BB2A-1C4CE88ED385
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s1 (Preboot)
|   |   Name:                      Preboot (Case-insensitive)
|   |   Mount Point:               /System/Volumes/Preboot
|   |   Capacity Consumed:         271073280 B (271.1 MB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk1s2 DF080552-AB14-4934-ACC8-666F8D6CD325
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s2 (Recovery)
|   |   Name:                      Recovery (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         1094545408 B (1.1 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk1s3 1046FC56-02D2-490B-B7BE-750D0BF4817E
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s3 (No specific role)
|   |   Name:                      MacHD 250 Go - Données (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         12164132864 B (12.2 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No (Encrypted at rest)
|   |
|   +-> Volume disk1s4 9132333D-B5DF-40E4-B5B4-400012AB76F5
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s4 (VM)
|   |   Name:                      VM (Case-insensitive)
|   |   Mount Point:               /System/Volumes/VM
|   |   Capacity Consumed:         24576 B (24.6 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk1s5 1C8E74E6-1D79-470D-9931-066E06B28959
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s5 (Data)
|   |   Name:                      MacHD 250 Go - Données (Case-insensitive)
|   |   Mount Point:               /System/Volumes/Data
|   |   Capacity Consumed:         173352927232 B (173.4 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No (Encrypted at rest)
|   |
|   +-> Volume disk1s7 BC170C66-031A-42A8-A772-302AE8B91CF1
|       ---------------------------------------------------
|       APFS Volume Disk (Role):   disk1s7 (System)
|       Name:                      MacHD 250 Go (Case-insensitive)
|       Mount Point:               Not Mounted
|       Capacity Consumed:         15749910528 B (15.7 GB)
|       Sealed:                    Yes
|       FileVault:                 No (Encrypted at rest)
|       |
|       Snapshot:                  810DD8E8-6D34-40C9-9CBB-0B00C9C6667A
|       Snapshot Disk:             disk1s7s1
|       Snapshot Mount Point:      /
|       Snapshot Sealed:           Yes
|
+-- Container disk4 13268DE6-ABA5-4C6E-A5BA-56D4F47B8B51
|   ====================================================
|   APFS Container Reference:     disk4
|   Size (Capacity Ceiling):      999995129856 B (1000.0 GB)
|   Capacity In Use By Volumes:   600081686528 B (600.1 GB) (60.0% used)
|   Capacity Not Allocated:       399913443328 B (399.9 GB) (40.0% free)
|   |
|   +-< Physical Store disk2s2 B871B8AB-95AC-4D5B-B797-E3AFAA71A6AB
|   |   -----------------------------------------------------------
|   |   APFS Physical Store Disk:   disk2s2
|   |   Size:                       999995129856 B (1000.0 GB)
|   |
|   +-> Volume disk4s1 F7C12F36-F875-4069-B4C1-F261D00A64EB
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk4s1 (No specific role)
|   |   Name:                      Samsung SSD 1 To (Case-insensitive)
|   |   Mount Point:               /Volumes/Samsung SSD 1 To
|   |   Capacity Consumed:         591281922048 B (591.3 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk4s2 5DF24679-39C6-4510-A67A-3F6097F8CD83
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk4s2 (Preboot)
|   |   Name:                      Preboot (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk4s3 44B88159-FFDB-40F1-AD38-E59A284BD1D1
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk4s3 (Recovery)
|   |   Name:                      Recovery (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk4s4 D20613F0-31BA-4DE7-97B4-F7A91FCD338A
|       ---------------------------------------------------
|       APFS Volume Disk (Role):   disk4s4 (VM)
|       Name:                      VM (Case-insensitive)
|       Mount Point:               Not Mounted
|       Capacity Consumed:         8590004224 B (8.6 GB)
|       Sealed:                    No
|       FileVault:                 No
|
+-- Container disk5 C0FE2C79-17FC-45A0-9B72-2D89E6B9AFAA
|   ====================================================
|   APFS Container Reference:     disk5
|   Size (Capacity Ceiling):      4000542842880 B (4.0 TB)
|   Capacity In Use By Volumes:   3716000587776 B (3.7 TB) (92.9% used)
|   Capacity Not Allocated:       284542255104 B (284.5 GB) (7.1% free)

A suivre.
 
TABLEAU 2/2

Bloc de code:
|   |
|   +-< Physical Store disk3s2 7125A64D-ADEA-4184-A565-02C4BDCAE1AE
|   |   -----------------------------------------------------------
|   |   APFS Physical Store Disk:   disk3s2
|   |   Size:                       4000542842880 B (4.0 TB)
|   |
|   +-> Volume disk5s1 489AD763-8831-4E05-8C0C-59057AAA70F3
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk5s1 (No specific role)
|   |   Name:                      ITunes WD 4To (Case-insensitive)
|   |   Mount Point:               /Volumes/ITunes WD 4To
|   |   Capacity Consumed:         3715515236352 B (3.7 TB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk5s2 93487C93-B485-463C-A0CE-17287FA8D374
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk5s2 (Preboot)
|   |   Name:                      Preboot (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk5s3 263B6B11-8164-4540-8DA4-280267912115
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk5s3 (Recovery)
|   |   Name:                      Recovery (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk5s4 F8281218-67BE-4835-A853-44FB1D6EAAFF
|       ---------------------------------------------------
|       APFS Volume Disk (Role):   disk5s4 (VM)
|       Name:                      VM (Case-insensitive)
|       Mount Point:               Not Mounted
|       Capacity Consumed:         20480 B (20.5 KB)
|       Sealed:                    No
|       FileVault:                 No
|
+-- Container disk10 0F0CEF91-0F88-4717-9F98-F1C79824A60F
|   =====================================================
|   APFS Container Reference:     disk10
|   Size (Capacity Ceiling):      1000249008128 B (1.0 TB)
|   Capacity In Use By Volumes:   738557501440 B (738.6 GB) (73.8% used)
|   Capacity Not Allocated:       261691506688 B (261.7 GB) (26.2% free)
|   |
|   +-< Physical Store disk8s2 D18C0716-DF08-4F94-B412-867F4D8AC88E
|   |   -----------------------------------------------------------
|   |   APFS Physical Store Disk:   disk8s2
|   |   Size:                       1000249008128 B (1.0 TB)
|   |
|   +-> Volume disk10s1 B56E6B9A-6ADD-4200-A649-276C6F35233D
|       ----------------------------------------------------
|       APFS Volume Disk (Role):   disk10s1 (Backup)
|       Name:                      Time Machine (Case-sensitive)
|       Mount Point:               /Volumes/Time Machine
|       Capacity Consumed:         738350059520 B (738.4 GB)
|       Sealed:                    No
|       FileVault:                 No
|
+-- Container disk11 25113135-E547-4A97-BE3E-168E4A934DA1
|   =====================================================
|   APFS Container Reference:     disk11
|   Size (Capacity Ceiling):      2000000000000 B (2.0 TB)
|   Capacity In Use By Volumes:   598462513152 B (598.5 GB) (29.9% used)
|   Capacity Not Allocated:       1401537486848 B (1.4 TB) (70.1% free)
|   |
|   +-< Physical Store disk8s3 488D34F5-3DCD-4F43-BB7E-186C87F058F5
|   |   -----------------------------------------------------------
|   |   APFS Physical Store Disk:   disk8s3
|   |   Size:                       2000000000000 B (2.0 TB)
|   |
|   +-> Volume disk11s2 7753A003-597F-4488-BF5B-E0274D83B934
|   |   ----------------------------------------------------
|   |   APFS Volume Disk (Role):   disk11s2 (Preboot)
|   |   Name:                      Preboot (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk11s3 0EA70CB8-7107-439A-8DA9-0A887102CB2D
|   |   ----------------------------------------------------
|   |   APFS Volume Disk (Role):   disk11s3 (Recovery)
|   |   Name:                      Recovery (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk11s4 C5700E5F-E8AD-44F4-AD8F-C5C5A3798B34
|   |   ----------------------------------------------------
|   |   APFS Volume Disk (Role):   disk11s4 (VM)
|   |   Name:                      VM (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         8589955072 B (8.6 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk11s6 950BB179-BAC3-4527-B1BD-41DC0E7C6C40
|       ----------------------------------------------------
|       APFS Volume Disk (Role):   disk11s6 (No specific role)
|       Name:                      BU SamToshiba SSD 2To (Case-insensitive)
|       Mount Point:               Not Mounted
|       Capacity Consumed:         589571371008 B (589.6 GB)
|       Sealed:                    No
|       FileVault:                 No
|
+-- Container disk16 3394CB4A-1E8E-41D0-85CC-A61CF350110C
|   =====================================================
|   APFS Container Reference:     disk16
|   Size (Capacity Ceiling):      2319783886848 B (2.3 TB)
|   Capacity In Use By Volumes:   1547934228480 B (1.5 TB) (66.7% used)
|   Capacity Not Allocated:       771849658368 B (771.8 GB) (33.3% free)
|   |
|   +-< Physical Store disk13 3F16F755-B6E3-475B-BC87-583E22F30172
|   |   ----------------------------------------------------------
|   |   APFS Physical Store Disk:   disk13
|   |   Size:                       2319783886848 B (2.3 TB)
|   |
|   +-> Volume disk16s1 E6455D94-EED3-4285-8989-DCFFAFF83730
|   |   ----------------------------------------------------
|   |   APFS Volume Disk (Role):   disk16s1 (No specific role)
|   |   Name:                      BU 2To_2.3To JBOD (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         1547604713472 B (1.5 TB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk16s2 D4766634-4D54-47F9-8CB9-F59CB550A2BE
|   |   ----------------------------------------------------
|   |   APFS Volume Disk (Role):   disk16s2 (Preboot)
|   |   Name:                      Preboot (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk16s3 3866CF3D-E368-45B7-A663-FD6EE7301D91
|   |   ----------------------------------------------------
|   |   APFS Volume Disk (Role):   disk16s3 (Recovery)
|   |   Name:                      Recovery (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         20480 B (20.5 KB)
|   |   Sealed:                    No
|   |   FileVault:                 No
|   |
|   +-> Volume disk16s4 E7F3389E-155F-4176-91D6-241BEC0F922B
|       ----------------------------------------------------
|       APFS Volume Disk (Role):   disk16s4 (VM)
|       Name:                      VM (Case-insensitive)
|       Mount Point:               Not Mounted
|       Capacity Consumed:         20480 B (20.5 KB)
|       Sealed:                    No
|       FileVault:                 No
|
+-- Container disk17 49F853F4-E289-42EC-83F9-D67FD2636917
    =====================================================
    APFS Container Reference:     disk17
    Size (Capacity Ceiling):      2319783886848 B (2.3 TB)
    Capacity In Use By Volumes:   1547660460032 B (1.5 TB) (66.7% used)
    Capacity Not Allocated:       772123426816 B (772.1 GB) (33.3% free)
    |
    +-< Physical Store disk15 DBE5B106-2765-460C-BA59-CBB0687E7E60
    |   ----------------------------------------------------------
    |   APFS Physical Store Disk:   disk15
    |   Size:                       2319783886848 B (2.3 TB)
    |
    +-> Volume disk17s1 94F1A8B8-CDCE-4251-84CA-BB35335FD5CE
    |   ----------------------------------------------------
    |   APFS Volume Disk (Role):   disk17s1 (No specific role)
    |   Name:                      2To_320 Go (Case-sensitive)
    |   Mount Point:               /Volumes/2To_320 Go
    |   Capacity Consumed:         1547330945024 B (1.5 TB)
    |   Sealed:                    No
    |   FileVault:                 No
    |
    +-> Volume disk17s2 0697F0A4-F17F-4221-A3ED-265617795C02
    |   ----------------------------------------------------
    |   APFS Volume Disk (Role):   disk17s2 (Preboot)
    |   Name:                      Preboot (Case-insensitive)
    |   Mount Point:               Not Mounted
    |   Capacity Consumed:         20480 B (20.5 KB)
    |   Sealed:                    No
    |   FileVault:                 No
    |
    +-> Volume disk17s3 1D4C5C16-BC7B-4378-8ABF-E501279D27A6
    |   ----------------------------------------------------
    |   APFS Volume Disk (Role):   disk17s3 (Recovery)
    |   Name:                      Recovery (Case-insensitive)
    |   Mount Point:               Not Mounted
    |   Capacity Consumed:         20480 B (20.5 KB)
    |   Sealed:                    No
    |   FileVault:                 No
    |
    +-> Volume disk17s4 FA6B56B6-62C1-4A68-8B80-5DF0857C0CBD
        ----------------------------------------------------
        APFS Volume Disk (Role):   disk17s4 (VM)
        Name:                      VM (Case-insensitive)
        Mount Point:               Not Mounted
        Capacity Consumed:         20480 B (20.5 KB)
        Sealed:                    No
        FileVault:                 No
 
Il n'y a que le Conteneur disk1 qui relève du disque interne. On se concentre uniquement sur lui.

- voici le volume sans emploi -->​
Bloc de code:
+-> Volume disk1s3 1046FC56-02D2-490B-B7BE-750D0BF4817E
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s3 (No specific role)
|   |   Name:                      MacHD 250 Go - Données (Case-insensitive)
|   |   Mount Point:               Not Mounted
|   |   Capacity Consumed:         12164132864 B (12.2 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No (Encrypted at rest)
  • MacHD 250 Go - Données disk1s3 --> car il est non monté.

- voici le volume en usage -->​
Bloc de code:
+-> Volume disk1s5 1C8E74E6-1D79-470D-9931-066E06B28959
|   |   ---------------------------------------------------
|   |   APFS Volume Disk (Role):   disk1s5 (Data)
|   |   Name:                      MacHD 250 Go - Données (Case-insensitive)
|   |   Mount Point:               /System/Volumes/Data
|   |   Capacity Consumed:         173352927232 B (173.4 GB)
|   |   Sealed:                    No
|   |   FileVault:                 No (Encrypted at rest)
  • MacHD 250 Go - Données disk1s5 --> car il est monté à la localisation : /System/Volumes/Data du clone instantané de démarrage > localisation dédiée au montage du volume-Données associé.

Passe la commande (copier-coller) :
Bloc de code:
diskutil ap deleteVolume disk1s3 ; diskutil list internal
  • qui supprime le volume sans emploi > puis ré-affiche la configuration du disque interne seule

Poste le retour.
 
C'est BOOOOO!! :D
C'est tout propre !
Rapide et efficace !
Reconnaissance éternelle acquise ! :oops::merci::coucou:

Bloc de code:
diskutil ap deleteVolume disk1s3 ; diskutil list internal
Started APFS operation
Deleting APFS Volume from its APFS Container
Unmounting disk1s3
Erasing any xART session referenced by 1046FC56-02D2-490B-B7BE-750D0BF4817E
Deleting Volume
Removing any Preboot and Recovery Directories
Finished APFS operation
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *251.0 GB   disk0
   1:                        EFI ⁨EFI⁩                     314.6 MB   disk0s1
   2:                 Apple_APFS ⁨Container disk1⁩         250.7 GB   disk0s2

/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +250.7 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume ⁨Preboot⁩                 271.1 MB   disk1s1
   2:                APFS Volume ⁨Recovery⁩                1.1 GB     disk1s2
   3:                APFS Volume ⁨VM⁩                      24.6 KB    disk1s4
   4:                APFS Volume ⁨MacHD 250 Go - Données⁩  148.9 GB   disk1s5
   5:                APFS Volume ⁨MacHD 250 Go⁩            15.7 GB    disk1s7
   6:              APFS Snapshot ⁨com.apple.os.update-...⁩ 15.7 GB    disk1s7s1
--

Et ça, ça te parle ?
Un autre détail:
Quand j'ai redémarré le Mac après la récup, j'ai eu une flopée de volumes "Update" qui sont montés au Finder.
Ils ont disparu depuis.
 
Content pour toi !

- la distribution des volumes dans le Conteneur interne est désormais régulière (6 volumes pour un OS Big Sur ou Monterey). Les complications des tableaux provenaient de disques externes branchés au Mac et porteurs eux aussi de dispositifs apfs. Je ne vois pas quoi dire à propos de l'affichage momentané de volumes Updates par le Finder.​
 
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