liujianwei Posted January 6, 2017 Share Posted January 6, 2017 Last login: Fri Jan 6 20:36:28 on ttys000 cutheads-Mac-Pro:~ cuthead$ diskutil mount disk0s1 Volume on disk0s1 failed to mount cutheads-Mac-Pro:~ cuthead$ Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/ Share on other sites More sharing options...
llamafilm Posted January 6, 2017 Share Posted January 6, 2017 diskutil info disk0s1 Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/#findComment-2345754 Share on other sites More sharing options...
liujianwei Posted January 6, 2017 Author Share Posted January 6, 2017 Last login: Fri Jan 6 21:04:43 on ttys000 cutheads-Mac-Pro:~ cuthead$ Last login: Sat Jan 7 04:34:21 on console cutheads-Mac-Pro:~ cuthead$ diskutil info disk0s1 Device Identifier: disk0s1 Device Node: /dev/disk0s1 Part of Whole: disk0 Device / Media Name: EFI System Partition Volume Name: Not applicable (no file system) Mounted: Not applicable (no file system) File System: None Partition Type: EFI OS Can Be Installed: No Media Type: Generic Protocol: SATA SMART Status: Verified Total Size: 209.7 MB (209715200 Bytes) (exactly 409600 512-Byte-Blocks) Volume Free Space: Not applicable (no file system) Device Block Size: 512 Bytes Read-Only Media: No Read-Only Volume: Not applicable (no file system) Ejectable: No Whole: No Internal: Yes Solid State: Yes cutheads-Mac-Pro:~ cuthead$ Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/#findComment-2345850 Share on other sites More sharing options...
liujianwei Posted January 6, 2017 Author Share Posted January 6, 2017 Last login: Sat Jan 7 05:08:49 on console cutheads-Mac-Pro:~ cuthead$ mkdir /Volumes/efi cutheads-Mac-Pro:~ cuthead$ sudo mount -t msdos /dev/disk0s1 /Volumes/efi Password: cutheads-Mac-Pro:~ cuthead$ mkdir /Volumes/efi2 cutheads-Mac-Pro:~ cuthead$ sudo mount -t msdos /dev/disk1s1 /Volumes/efi2 cutheads-Mac-Pro:~ cuthead$ cutheads-Mac-Pro:~ cuthead$ Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/#findComment-2345876 Share on other sites More sharing options...
joe75 Posted January 6, 2017 Share Posted January 6, 2017 your first try didn't have the full path.. diskutil mount /dev/disk0s1 Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/#findComment-2345883 Share on other sites More sharing options...
liujianwei Posted January 6, 2017 Author Share Posted January 6, 2017 Last login: Sat Jan 7 06:58:02 on console cutheads-Mac-Pro:~ cuthead$ diskutil mount /dev/disk0s1 Volume on disk0s1 failed to mount cutheads-Mac-Pro:~ cuthead$ Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/#findComment-2345889 Share on other sites More sharing options...
nawcom Posted January 7, 2017 Share Posted January 7, 2017 It's known that if you want diskutil to detect it then you need to format it yourself. If you want to name it "ESP": sudo newfs_msdos -v ESP /dev/rdisk0s1 Then diskutil will mount it. 1 Link to comment https://www.insanelymac.com/forum/topic/319965-1075-mount-efi-fail/#findComment-2345976 Share on other sites More sharing options...
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