this is a somewhat similar post to this one (Can't create partition on free space with Disk Utility) but not quite...
It started with me creating a BootCamp partition (around 145 GB) for Windows 8 quite some time ago.
Everything was working fine until I decided to upgrade to 8.1 from the Windows store - the installation went fine but Windows never managed to boot again. I managed to fix the iMac into booting OSX and forgot about it until today (oh why?!)
I decided I will give 8.1 another go - as the partition was there and so I wanted to use it by trying to install over it again. I chose the EFI install and went for it, but the installer informed me that it will not install, because the partition has MBR instead of GPT.
So instead of running the installer again in normal mode - I logged back into OSX deleted the BOOTCAMP partition (or so I then thought), ran the installer again in EFI and told it to create a partition for itself in the free space and install Windows.
The installer created 3 partition - 1 large one and 2 small ones. I didn't like that so went back to OS X tried to delete those partitions, but that of course didn't work and my drive became messier and messier. By that time I knew I was not very smart about it and tried to delete all the partitions I thought I didn't need from the Windows Installer.
I messed up even more... OSX stopped booting. I then read and performed steps from the above mentioned thread. But all along my diskutil list showed 2 physical volumes instead of 1.
So I followed all the steps from the above thread and this is the effect at the moment:
Disk Utility - No hidden partitions
Disk Utility - hidden partitions shown
Diskutility - partition scheme
Information from the Terminal:
-bash-3.2# 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 121.0 GB disk0s2
3: Apple_Boot Boot OS X 134.2 MB disk0s3
/dev/disk1
#: TYPE NAME SIZE IDENTIFIER
0: GUID partition_scheme *1.0 TB disk1
1: EFI EFI 209.7 MB disk1s1
2: Apple_CoreStorage 852.7 GB disk1s2
3: Apple_Boot Recovery HD 650.1 MB disk1s3
4: EFI NO NAME 104.9 MB disk1s4
/dev/disk2
#: TYPE NAME SIZE IDENTIFIER
0: Apple_partition_scheme *1.3 GB disk2
1: Apple_partition_map 30.7 KB disk2s1
2: Apple_HFS OS X Base System 1.3 GB disk2s2
/dev/disk3
#: TYPE NAME SIZE IDENTIFIER
0: Apple_HFS Macintosh HD 967.8 GB disk3
Logical Volume on disk1s2, disk0s2
D237FFDC-70A4-41D7-AC13-4CC7E5E8C0A0
Unencrypted Fusion Drive
/dev/disk4
#: TYPE NAME SIZE IDENTIFIER
0: untitled *5.2 MB disk4
/dcv/disk5
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk5
/dev/disk6
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk6
/dev/disk7
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk7
/dev/disk8
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk8
/dev/disk9
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk9
/dev/disk10
#: TYPE NAME SIZE IDENTIFIER
0: untitled *6.3 MB disk10
/dev/disk11
#: TYPE NAME SIZE IDENTIFIER
0: untitled *2.1 MB disk11
/dev/disk12
#: TYPE NAME SIZE IDENTIFIER
0: untitled *1.0 MB disk12
/dev/disk13
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk13
/dev/disk14
#: TYPE NAME SIZE IDENTIFIER
0: untitled *524.3 KB disk14
/dev/disk15
#: TYPE NAME SIZE IDENTIFIER
0: untitled *1.0 MB disk15
/dev/disk16
#: TYPE NAME SIZE IDENTIFIER
0: untitled *6.3 MB disk16
-bash-3.2#
-bash-3.2# diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group 1EFE58BC-3613-44C4-86EE-D816F3B66E3E
=========================================================
Name: Macintosh HD
Status: Online
Size: 973655252992 B (973.7 G8)
Free Space: 0 B (0 B)
|
+-- Physical Volume 93892BE8-2B7F-4ABD-A4C3-984495DCD98D
| ----------------------------------------------------
|
| Index: 0
| Disk: disk1s2
| Status: Online
| Size: 852666400768 B (852.7 GB)
|
+-- Physical Volume 4BF0E99A-8D5F-4B1E-B6C5-31B705455EDF
| ----------------------------------------------------
|
| Index: 1
| Disk: disk0s2
| Status: Online
| Size: 120988852224 B (121.0 GB)
|
+-- Logical Volume Family 3C62D09F-E2B7-47E2-8106-76EDB58F32F7
----------------------------------------------------------
Encryption Status: Unlocked
Encryption Type: None
Conversion Status: NoConversion
Conversion Direction: -none-
Has Encrypted Extents: No
Fully Secure: No
Passphrase Required: No
|
+-- Logical Volume D237FFDC-7DA4-41D7-AC13-4CC7E5E8C0A0
---------------------------------------------------
Disk: disk3
Status: Online
Size (Total): 967799996416 B (967.8 GB)
Conversion Progress: -none-
Revertible: No
LV Name: Macintosh HD
Volume Name: Macintosh HD
Content Hint: Apple_HFS
Result of gpt -r -vvv show /dev/disk0:
-bash-3.2# gpt -r -vvv show /dev/disk0
gpt show: /dev/disk0: mediasize=121332826112; sectorsize=512; blocks=236978176
gpt show: /dev/disk0: PMBR at sector 0
gpt show: /dev/disk0: Pri GPT at sector 1
gpt show: /dev/disk0: GPT partition: type=C12A7328-F81F-11D2-BA48-00A0C93EC93B, start=40, size=409600
gpt show: /dev/disk0: GPT partition: type=53746F72-6167-11AA-AA11-00306543ECAC, start=409640, size=236306352
gpt show: /dev/disk0: GPT partition: type=426F6F74-0000-11AA-AA11-00306543ECAC, start=236715992, size=262144
gpt show: /dev/disk0: Sec GPT at sector 236978175
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 236306352 2 GPT part - 53746F72-6167-11AA-AA11-00306543ECAC
236715992 262144 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
236978136 7
236978143 32 Sec GPT table
236978175 1 Sec GPT header
Result of gpt -r -vvv show /dev/disk1:
-bash-3.2# gpt -r -vvv show /dev/disk1
gpt show: /dev/disk1: mediasize=1000204886016; sectorsize=512; blocks=1953525168
gpt show: /dev/disk1: PMBR at sector 0
gpt show: /dev/disk1: Pri GPT at sector 1
gpt show: /dev/disk1: GPT partition: type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, start=40, size=409600
gpt show: /dev/disk1: GPT partition: type=53746F72-6167-11AA-AA11-00306543ECAC, start=409640, size=1671210848
gpt show: /dev/disk1: GPT partition: type=426F6F74-0000-11AA-AA11-00306543ECAC, start=1671620488, size=1269760
gpt show: /dev/disk1: GPT partition: type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B, start=1672890368, size=204800
gpt show: /dev/disk1: Sec GPT at sector 1953525167
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
409640 1671210848 2 GPT part - 53746F72-6167-11AA-AA11-00306543ECAC
1671620488 1269760 3 GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
1672890248 120
1672890368 204800 4 GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
1673095168 280429967
1953525135 32 Sec GPT table
1953525167 1 Sec GPT header
I don't know where to go from here? Why are there 2 physical volumes and what to do with them? If anyone could help I would greatly appreciate it.
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