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popbones --- ~ » diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *121.3 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_CoreStorage 104.0 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
4: Apple_HFS Install OS X Yosemite 16.3 GB disk0s4
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD *103.6 GB disk1
Logical Volume on disk0s2
B670892E-2240-4709-A661-74FDD7FF147F
Unencrypted
这是我安装后合并临时分区前的信息。看起来是有 Recovery HD 的。