Normalement un message s’affiche pour indiquer que la migration va prendre 35 minutes, en réalité c’est largement plus. Si je regarde le fichier /var/log/install.log (pas de fichier : /Library/Logs/SystemMigration.log )
Sep 30 09:06:04 InstallAssistant[1969]: @(#)PROGRAM:Install PROJECT:Install-924.1
Sep 30 09:06:04 InstallAssistant[1969]: @(#)PROGRAM:IA PROJECT:InstallAssistant-532
Sep 30 09:06:04 InstallAssistant[1969]: Hardware: MacBookPro9,1 @ 2.30 GHz (x 8), 8192 MB RAM
Sep 30 09:06:04 InstallAssistant[1969]: Running OS Build: Mac OS X 10.10.5 (14F1912)
...
Sep 30 09:06:07 InstallAssistant[1969]: Using distribution archive from /Applications/Install OS X El Capitan.app/Contents/SharedSupport/OSInstall.mpkg
...
Sep 30 12:45:35 systemmigrationd[273]: Connected to daemon. Language set to: French
Sep 30 12:45:35 systemmigrationd[273]: Request: State change: "Awaiting Reboot" -> "Post-Reboot"
Sep 30 12:45:35 systemmigrationd[273]: Progress Status: Reprise de la migration…
Sep 30 12:45:35 systemmigrationd[273]: Engine: Startup: Entering post-reboot phase.
Sep 30 12:45:35 systemmigrationd[273]: Engine: Startup: Waiting for source and target systems to be available.
...
Sep 30 12:48:02 softwareupdated[255]: 9 updates found:
031-04978 | CoreLSKD Configuration Data 8
031-25201 | Mise à jour des logiciels d’imprimantes EPSON 3.2
031-56720 | Incompatible Kernel Extension Configuration Data 3.30.1
031-63178 | Mise à jour d’OS X El Capitan 10.11.6
031-70458 | MÀJ de la compatibilité avec le format RAW des appareils photo numériques 6.21
031-74368 | Chinese Word List Update 4.22
031-75837 | Core Suggestions Configuration Data 766
031-81733 | MRT Configuration Data 1.10
031-81734 | XProtectPlistConfigData 1.0
...
Sep 30 12:49:04 system_installd[469]: PackageKit: Removing client PKInstallDaemonClient pid=255, uid=200 (/System/Library/CoreServices/Software Update.app/Contents/Resources/softwareupdated)
Sep 30 12:49:04 installd[323]: PackageKit: Removing client PKInstallDaemonClient pid=255, uid=200 (/System/Library/CoreServices/Software Update.app/Contents/Resources/softwareupdated)
...
Sep 30 13:35:50 systemmigrationd[273]: Done rebuilding XPC Cache.
Sep 30 13:35:50 systemmigrationd[273]: Migration took 3014.721375 seconds long.
Sep 30 13:35:50 systemmigrationd[273]: Migration copied 718.80 MB of 718.80 MB at a rate of 0.24 MB/s overall
Sep 30 13:35:50 systemmigrationd[273]: Time since reporting one minute remaining: 3004.303797
Sep 30 13:35:50 systemmigrationd[273]: Migration is releasing Time Machine and Spotlight indexing, idle sleep
Sep 30 13:35:50 systemmigrationd[273]: Allowing machine sleep.
Sep 30 13:35:50 systemmigrationd[273]: Request: State change: "Post-Reboot" -> "Done"
Sep 30 13:35:50 systemmigrationd[273]: ** Migration is reporting 0 errors and warnings : (
...
Sep 30 15:07:10 softwareupdated[255]: 3 updates found:
031-25201 | Mise à jour des logiciels d’imprimantes EPSON 3.2
031-63178 | Mise à jour d’OS X El Capitan 10.11.6
031-70458 | MÀJ de la compatibilité avec le format RAW des appareils photo numériques 6.21
Pour être exact cela a pris 4h29 à la place de 0h35 minutes annoncées. Ah , si le temps pouvait se suspendre comme une installation de Mac !