OSX: 命令行制作U盤Recovery HD
阿新 • • 發佈:2017-07-29
urn sni header img 一個 -i os x 啟動 0.10
使用命令行操作,非常easy,可是操作不當非常危急!
免責聲明:假設操作不當造成的數據丟失,本人概不負責。
為什麽?
不是有OSX恢復磁盤助理嘛?是的。假設僅僅想使用GUI的軟件。能夠去蘋果官方站點:http://support.apple.com/kb/DL1433?viewlocale=zh_CN唯一的原因就是:生命不息,折騰不止;只是還有另外一個誘因,就是看看究竟官方的恢復磁盤助理的原理,換句話說,用自己的辦法達到相同的效果。
前提:你有一個工作的Recovery HD,你的Mac支持U盤啟動。
1. 準備一個空白的不小於1GB的U盤。事實上650MB的就能夠。
2. 執行命令,並記住各個參數:
diskutil list
我的機器是:
$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *160.0 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_HFS Macintosh HD 159.7 GB disk0s2 /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *1.0 GB disk1 1: Apple_HFS A 346.9 MB disk1s1 2: Apple_Boot Recovery HD 693.8 MB disk1s2 /dev/disk2 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *120.0 GB disk2 1: EFI EFI 209.7 MB disk2s1 2: Apple_HFS OSX94 29.5 GB disk2s2 3: Apple_Boot Recovery HD 650.0 MB disk2s3 4: Apple_HFS Data 58.0 GB disk2s4 5: Apple_HFS OSX10DP 23.5 GB disk2s5 6: Apple_Boot Recovery HD 650.0 MB disk2s6 7: Apple_HFS _OSX10DPInstaller_ 7.3 GB disk2s7
我要操作的是disk1這個盤。源Recovery HD是disk2s6。它是OS X 10.10 DP3的恢復盤。
3. 創建U盤恢復分區
執行命令和顯示:
$ sudo -s $ diskutil partitionDisk disk1 1 GPT jhfs+ Recovery\ HD 100% Started partitioning on disk1 Unmounting disk Creating the partition map Waiting for the disks to reappear Formatting disk1s1 as Mac OS Extended (Journaled) with name Recovery HD Initialized /dev/rdisk1s1 as a 992 MB case-insensitive HFS Plus volume with a 8192k journal Mounting disk Finished partitioning on disk1 /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *1.0 GB disk1 1: Apple_HFS Recovery HD 1.0 GB disk1s1
4. 制作:
$ diskutil unmountDisk disk1 Unmount of all volumes on disk1 was successful $ gpt remove -b 40 disk1 disk1s1 removed $ gpt add -b 40 -t 426F6F74-0000-11AA-AA11-00306543ECAC disk1 disk1s1 added $ gpt -r show disk1 start size index contents 0 1 PMBR 1 1 Pri GPT header 2 32 Pri GPT table 34 6 40 2032634 1 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC 2032674 32 Sec GPT table 2032706 1 Sec GPT header $ dd if=/dev/dsik1s6 of=/dev/disk1s1 $ diskutil mount disk1s1 $ bless --folder /Volumes/Recovery HD/com.apple.recovery.boot
5. 驗證:
6. 測試:
$ diskutil list /dev/disk0 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *160.0 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_HFS Macintosh HD 159.7 GB disk0s2 /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *1.0 GB disk1 1: Apple_Boot Recovery HD 1.0 GB disk1s1 /dev/disk2 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *120.0 GB disk2 1: EFI EFI 209.7 MB disk2s1 2: Apple_HFS OSX94 29.5 GB disk2s2 3: Apple_Boot Recovery HD 650.0 MB disk2s3 4: Apple_HFS Data 58.0 GB disk2s4 5: Apple_HFS OSX10DP 23.5 GB disk2s5 6: Apple_Boot Recovery HD 650.0 MB disk2s6 7: Apple_HFS _OSX10DPInstaller_ 7.3 GB disk2s7
OSX: 命令行制作U盤Recovery HD