Intento utilizar las nuevas capacidades de smb (4.8.2) para compartir una unidad compatible con Time Machine con mi nuevo MBpro 2017 que ejecuta High Sierra. Puedo hacer que aparezca la unidad en el administrador de TM y agregar el disco correctamente. Sin embargo, cuando ejecuto la copia de seguridad recibo un mensaje de error típico no descriptivo de Apple:
2018-06-03 11:37:37.677735-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogInfo] Starting manual backup
2018-06-03 11:37:37.795249-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogInfo] Attempting to mount network destination URL: smb://username@fileserver._smb._tcp.local./TimeMachine
2018-06-03 11:37:38.483012-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogInfo] Mounted network destination at mount point: /Volumes/TimeMachine-1 using URL: smb://username@fileserver._smb._tcp.local./TimeMachine
2018-06-03 11:37:39.157201-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogInfo] Creating disk image /Volumes/TimeMachine-1/me.sparsebundle
2018-06-03 11:37:39.546769-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogError] Error creating backup disk image 512 (error 512)
2018-06-03 11:37:39.547176-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogError] Failed to create disk image /Volumes/TimeMachine-1/me.sparsebundle, status: 512
2018-06-03 11:37:39.553537-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogError] Backup failed with error 20: 20
2018-06-03 11:37:39.685445-0400 localhost backupd[1978]: (TimeMachine) [com.apple.TimeMachine:TMLogInfo] Ejected Time Machine network volume.
¿Alguien sabe qué significa el error 512?
Aquí está mi smb.conf:
[global]
server string = File Server (smb)
log file = /var/log/samba/log.%m
log level = 3
mdns name = mdns
# Time Machine
vfs objects = catia fruit streams_xattr
fruit:veto_appledouble = no
fruit:encoding = native
fruit:metadata = stream
fruit:aapl = yes
ea support = yes
# Security
server min protocol = SMB2
[TimeMachine]
path = /backup/TM
fruit:time machine = yes
writeable = yes
force group = users
La unidad en sí es un recurso compartido NFS