10.12 Sierra Symbole Sens interdit au démarrage - Pas de disque dur pour lancer récupération

Knight

Membre confirmé
3 Juin 2019
24
1
35
Bonjour,
En voulant faire la dernière mise a jour, j'ai du m'absenter quelques heures et en revenant j'avais un écran noir. J'ai voulu redemarrer et la => Symbole Sens interdit !
Je me destresse, je vais sur Mac Generation, je lis (entres autres l'excellent Macomaniac) et je tente la commande cmd+R au démmarage pour reinstaller MacOs. Le problème c'est que je ne peux pas selectionner de disque dur pour finaliser l'installation.
Je ne panique toujours pas, je retourne sur Mac Génération et je relis. J'ouvre l'utilitaire et je tape les commandes toujours demander par macomaniac au début. Voici ce que cela donne (j'ai supprimé tous les petits disques images du copié collé) :

Bloc de code:
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *750.2 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:          Apple_CoreStorage HD                      749.3 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

/dev/disk1 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        +2.1 GB     disk1
   1:                  Apple_HFS OS X Base System        2.0 GB     disk1s1

/dev/disk2 (internal, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS                        +748.9 GB   disk2
                                 Logical Volume on disk0s2
                                 7B8ED8FA-4288-4430-B861-3F90506CB462
                                 Unencrypted

/dev/disk3 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +5.2 MB     disk3

-bash-3.2# diskutil info disk0s2
   Device Identifier:        disk0s2
   Device Node:              /dev/disk0s2
   Whole:                    No
   Part of Whole:            disk0

   Volume Name:              Not applicable (no file system)
   Mounted:                  Not applicable (no file system)
   File System:              None

   Partition Type:           Apple_CoreStorage
   OS Can Be Installed:      No
   Recovery Disk:            disk0s3
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified
   Disk / Partition UUID:    2D0023E5-8F5E-4F90-B01C-742DC4EC62C1

   Disk Size:                749.3 GB (749296615424 Bytes) (exactly 1463469952 512-Byte-Units)
   Device Block Size:        512 Bytes

   Read-Only Media:          No
   Read-Only Volume:         Not applicable (no file system)

   Device Location:          Internal
   Removable Media:          Fixed

   Solid State:              No

   This disk is a Core Storage Physical Volume (PV).  Core Storage Information:
   PV UUID:                  99E32F26-B016-4893-A36A-6224BDEBCB88
   LVG UUID:                 346469C0-71B6-4AE1-A0F4-12257DF0057C

-bash-3.2#

Il me semble que ma situation est un peu différente de celles que j'ai déjà pu lire sur le forum. Cependant n'y connaissant pas non plus grand chose, je m'excuse d'avance si c'est une redite. Ma question est : Dois-je utiliser une commande de "formatage" de mon Disque dur et donc perdre mes données ?

Merci de votre aide!!
 
Bonjour Knight

Voici comment la partition-macOS du disque interne est décrite -->
Bloc de code:
   2:          Apple_CoreStorage HD                      749.3 GB   disk0s2

  • tu t'aperçois qu'elle est de type "Apple_CoreStorage". Càd. qu'elle héberge un dispositif qui virtualise un espace-disque secondaire > à partir d'un magasin de stockage dit "Physical Volume" inscrit dans la partition. La mention HD portée en regard du type : "Apple_CoreStorage" --> désigne le nom qui a été donné au dispositif CoreStorage d'ensemble (dit "Logical Volume Group") et possiblement aussi au volume terminal utilisable.
  • voici l'espace-disque virtualisé à partir de cette partition -->
Bloc de code:
/dev/disk2 (internal, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS                        +748.9 GB   disk2
                                 Logical Volume on disk0s2
                                 7B8ED8FA-4288-4430-B861-3F90506CB462
                                 Unencrypted

  • il s'agit d'un disque virtuel intitulé Logical Volume. On voit qu'il n'est pas chiffré par FileVault. Sur cet espace-disque virtuel > un système de fichiers jhfs+ (Mac OS étendu journalisé) --> forme le volume terminal dans lequel est installé l'OS. Mais aucun nom de volume (possiblement HD) ne se trouve mentionné sur le Logical Volume. La raison de cette absence reste à définir.

Passe la commande :
Bloc de code:
diskutil info disk2

  • qui affiche un tableau d'informations sur le Logical Volume et (éventuellement) sur le volume terminal hébergé.

Poste le retour.

Question : as-tu des données à récupérer dans le volume qui a disparu de l'affiche (possiblement intitulé HD) ?
 
  • J’aime
Réactions: Knight
Bonjour Macomaniac,

Merci beaucoup de m'aider dans la résolution de ce problème. Voici le résultat de la commande :

Bloc de code:
-bash-3.2# diskutil info disk2
   Device Identifier:        disk2
   Device Node:              /dev/disk2
   Whole:                    Yes
   Part of Whole:            disk2
   Device / Media Name:      WDC WD7500BPVX-75JC3T0

   Volume Name:             
   Mounted:                  No

   Content (IOContent):      Apple_HFS
   File System Personality:  Journaled HFS+
   Type (Bundle):            hfs
   Name (User Visible):      Mac OS Extended (Journaled)
   Journal:                  Unknown (not mounted)
   Owners:                   Disabled

   OS Can Be Installed:      No
   Recovery Disk:            disk0s3
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Not Supported
   Disk / Partition UUID:    7B8ED8FA-4288-4430-B861-3F90506CB462

   Disk Size:                748.9 GB (748925353984 Bytes) (exactly 1462744832 512-Byte-Units)
   Device Block Size:        512 Bytes

   Volume Total Space:       0 B (0 Bytes) (exactly 0 512-Byte-Units)
   Volume Available Space:   0 B (0 Bytes) (exactly 0 512-Byte-Units)

   Read-Only Media:          No
   Read-Only Volume:         Not applicable (not mounted)

   Device Location:          Internal
   Removable Media:          Fixed

   Solid State:              No
   Virtual:                  Yes
   OS 9 Drivers:             No
   Low Level Format:         Not supported

   This disk is a Core Storage Logical Volume (LV).  Core Storage Information:
   LV UUID:                  7B8ED8FA-4288-4430-B861-3F90506CB462
   LVF UUID:                 EA843465-6622-4D72-8775-D1AEC8A59EE8
   LVG UUID:                 346469C0-71B6-4AE1-A0F4-12257DF0057C
   PV UUID (disk):           99E32F26-B016-4893-A36A-6224BDEBCB88 (disk0s2)
   Fusion Drive:             No
   Encrypted:                No

-bash-3.2#

A priori le disque n'est pas monté même si je ne comprend pas très bien ce que cela veut dire. Je vois qu'il n'y a pas d'espace disponible alors que j'ai très peu de chose sur mon Mac.

Pour répondre à ta question finale : Je n'ai rien d'irremplacable sur cet ordinateur heureusement. Donc on peut utiliser toutes les solutions et même le formatage.

PS : Je pars au travail et je ne pourrais pas répondre avant ce soir. Encore un grand MERCI.
 
D'accord : à ce soir !

- le volume terminal n'étant pas monté > la taille de son occupation ne peut pas être mesurée. D'où des réponses sans adéquation (genre : espace disponible = 0 ou volume non réinstallable). On verra si on peut récupérer le volume.​
 
Bonsoir Macomaniac,

Quand tu auras le temps, je suis prêt à suivre les procédures que tu voudra bien me donner. Aucune urgence, c’est quand tu peux !
 
Repasse une commande :
Bloc de code:
diskutil list

  • et poste le tableau des disques --> que je voie si les index n'ont pas changé.
 
Merci
Bloc de code:
-bash-3.2# diskutil list
/dev/disk0 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        +2.1 GB     disk0
   1:                  Apple_HFS OS X Base System        2.0 GB     disk0s1

/dev/disk1 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *750.2 GB   disk1
   1:                        EFI EFI                     209.7 MB   disk1s1
   2:          Apple_CoreStorage HD                      749.3 GB   disk1s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk1s3

/dev/disk2 (internal, virtual):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                  Apple_HFS                        +748.9 GB   disk2
                                 Logical Volume on disk1s2
                                 7B8ED8FA-4288-4430-B861-3F90506CB462
                                 Unencrypted

/dev/disk3 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +5.2 MB     disk3

/dev/disk4 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk4

/dev/disk5 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk5

/dev/disk6 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk6

/dev/disk7 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +2.1 MB     disk7

/dev/disk8 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk8

/dev/disk9 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk9

/dev/disk10 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +6.3 MB     disk10

/dev/disk11 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +2.1 MB     disk11

/dev/disk12 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +1.0 MB     disk12

/dev/disk13 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +2.1 MB     disk13

/dev/disk14 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk14

/dev/disk15 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk15

/dev/disk16 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +1.0 MB     disk16

/dev/disk17 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +6.3 MB     disk17

/dev/disk18 (disk image):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:                            untitled               +524.3 KB   disk18

-bash-3.2#
 
Passe la commande :
Bloc de code:
diskutil mount disk2

  • qui tente de remonter le volume

Poste le retour.
 
Bloc de code:
-bash-3.2# diskutil mount disk2
disk2 is a CoreStorage Logical Volume which failed to mount
-bash-3.2#
 
Passe encore la commande :
Bloc de code:
diskutil verifyVolume disk2

  • qui vérifie : a) le CoreStorage > b) le système de fichiers du volume défaillant

Poste l'ensemble de l'affichage retourné.
 
Le résultat est trop long je vais poster en plusieurs fois
Bloc de code:
-bash-3.2# diskutil verifyVolume disk2
Started file system verification on disk2
Verifying storage system
Checking volume
disk1s2: Scan for Volume Headers
disk1s2: Scan for Disk Labels
Logical Volume Group 346469C0-71B6-4AE1-A0F4-12257DF0057C on 1 device
disk1s2: Scan for Metadata Volume
Logical Volume Group has a 24 MB Metadata Volume with double redundancy
Start scanning metadata for a valid checkpoint
Load and verify Segment Headers
Load and verify Checkpoint Payload
Load and verify Transaction Segment
Incorporate 0 newer non-checkpoint transactions
Load and verify Virtual Address Table
Load and verify Segment Usage Table
Load and verify Metadata Superblock
Load and verify Logical Volumes B-Trees
Logical Volume Group contains 1 Logical Volume
Load and verify EA843465-6622-4D72-8775-D1AEC8A59EE8
Load and verify 7B8ED8FA-4288-4430-B861-3F90506CB462
Load and verify Freespace Summary
Load and verify Block Accounting
Load and verify Live Virtual Addresses
Newest transaction commit checkpoint is valid
Load and verify Segment Cleaning
The volume 346469C0-71B6-4AE1-A0F4-12257DF0057C appears to be OK
Storage system check exit code is 0
Verifying file system
Checking Journaled HFS Plus volume
Checking extents overflow file
Checking catalog file
Missing thread record (id = 18)
File record has hard link chain flag (id = 1022845)
File has incorrect number of links (id = 1022845)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1022851)
File has incorrect number of links (id = 1022851)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1022855)
File has incorrect number of links (id = 1022855)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023174)
File has incorrect number of links (id = 1023174)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023178)
File has incorrect number of links (id = 1023178)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023182)
File has incorrect number of links (id = 1023182)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023186)
File has incorrect number of links (id = 1023186)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023190)
File has incorrect number of links (id = 1023190)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023194)
File has incorrect number of links (id = 1023194)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023198)
File has incorrect number of links (id = 1023198)
(It should be 1 instead of 3)
File record has hard link chain flag (id = 1023202)
File has incorrect number of links (id = 1023202)
(It should be 1 instead of 3)
File record has hard link chain flag (id = 1023206)
File has incorrect number of links (id = 1023206)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023210)
File has incorrect number of links (id = 1023210)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023214)
File has incorrect number of links (id = 1023214)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023218)
File has incorrect number of links (id = 1023218)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023222)
File has incorrect number of links (id = 1023222)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023226)
File has incorrect number of links (id = 1023226)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023230)
File has incorrect number of links (id = 1023230)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023234)
File has incorrect number of links (id = 1023234)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1023238)
File has incorrect number of links (id = 1023238)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1030775)
File has incorrect number of links (id = 1030775)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045353)
File has incorrect number of links (id = 1045353)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045357)
File has incorrect number of links (id = 1045357)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045361)
File has incorrect number of links (id = 1045361)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045365)
File has incorrect number of links (id = 1045365)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045369)
File has incorrect number of links (id = 1045369)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045373)
File has incorrect number of links (id = 1045373)
(It should be 1 instead of 2)
 
Bloc de code:
File record has hard link chain flag (id = 1045377)
File has incorrect number of links (id = 1045377)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045381)
File has incorrect number of links (id = 1045381)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045385)
File has incorrect number of links (id = 1045385)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045389)
File has incorrect number of links (id = 1045389)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045444)
File has incorrect number of links (id = 1045444)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045448)
File has incorrect number of links (id = 1045448)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045452)
File has incorrect number of links (id = 1045452)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045483)
File has incorrect number of links (id = 1045483)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045487)
File has incorrect number of links (id = 1045487)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1045491)
File has incorrect number of links (id = 1045491)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054256)
File has incorrect number of links (id = 1054256)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054260)
File has incorrect number of links (id = 1054260)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054264)
File has incorrect number of links (id = 1054264)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054268)
File has incorrect number of links (id = 1054268)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054272)
File has incorrect number of links (id = 1054272)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054277)
File has incorrect number of links (id = 1054277)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054281)
File has incorrect number of links (id = 1054281)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054285)
File has incorrect number of links (id = 1054285)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054290)
File has incorrect number of links (id = 1054290)
(It should be 1 instead of 2)
 
Tu peux poster seulement ce qui diffère à la fin de l'affichage maintenant.
 
Bloc de code:
File record has hard link chain flag (id = 1054294)
File record has hard link chain flag (id = 1054320)
File has incorrect number of links (id = 1054320)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054324)
File has incorrect number of links (id = 1054324)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054342)
File has incorrect number of links (id = 1054342)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054384)
File has incorrect number of links (id = 1054384)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054389)
File has incorrect number of links (id = 1054389)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054393)
File has incorrect number of links (id = 1054393)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054398)
File has incorrect number of links (id = 1054398)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054403)
File has incorrect number of links (id = 1054403)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054408)
File has incorrect number of links (id = 1054408)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054412)
File has incorrect number of links (id = 1054412)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054416)
File has incorrect number of links (id = 1054416)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054420)
File has incorrect number of links (id = 1054420)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1054426)
File has incorrect number of links (id = 1054426)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055021)
File has incorrect number of links (id = 1055021)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055027)
File has incorrect number of links (id = 1055027)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055032)
File has incorrect number of links (id = 1055032)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055040)
File has incorrect number of links (id = 1055040)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055044)
File has incorrect number of links (id = 1055044)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055048)
File has incorrect number of links (id = 1055048)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055052)
File has incorrect number of links (id = 1055052)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055057)
File has incorrect number of links (id = 1055057)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055061)
File has incorrect number of links (id = 1055061)
(It should be 1 instead of 2)
File record has hard link chain flag (id = 1055065)
 
Comme il s'agit d'une erreur répétitive > poste pour finir la fin de l'affichage de la vérification.
 
Voici la fin

Bloc de code:
Incorrect number of thread records
Incorrect number of thread records
Checking multi-linked files
Incorrect number of file hard links
Checking catalog hierarchy
The volume   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
-bash-3.2#
[/code][/code][/code]
 
Le système de stockage CoreStorage est sans erreur.

Le système de fichiers jhfs+ > formateur du volume --> a bien été trouvé. Mais il est corrompu (erreurs graves) au niveau du fichier spécifique du catalogue B-tree (qui gère les accès aux fichiers terminaux en lecture > édition > ajout > suppression).

Mais peut-être l'erreur somme toute basique (2 occurrences au lieu d'1 seule) --> est-elle réparable ? Passe la commande :
Bloc de code:
diskutil repairVolume disk2

  • qui tente de réparer le système de fichiers

Poste uniquement le final de l'affichage une fois l'opération terminée.
 
Voici la fin

Bloc de code:
Incorrect number of thread records
Incorrect number of thread records
Checking multi-linked files
Incorrect number of file hard links
Checking catalog hierarchy
The volume   could not be verified completely
File system check exit code is 8
Updating boot support partitions for the volume as required
Error: -69845: File system verify or repair failed
Underlying error: 8: Exec format error
-bash-3.2#
 
Le système de fichiers est irréparable -->

- veux-tu essayer de voir si le volume ne remonte pas dans un démarrage en mode Single User ? - ou bien es-tu partant pour un reformatage ?​

=> c'est une question de données à récupérer ou pas.
 
Macomaniac,

Merci beaucoup du temps que tu m'accorde. On peut essayer le Single User si tu veux bien. Après le formatage je m'y suis préparé ;°