Disk util shows the encrypted disk I am using for time machine with the following info:
But the Menu entry "file -> Change Password" is greyed out. Tried to turn to the command line, I found this instructions, and the first part works nicely:
> diskutil cs list
CoreStorage logical volume groups (1 found)
|
+-- Logical Volume Group DDE89BDF-9537-45FF-A786-697E828EB040
=========================================================
Name: egmac2.bak
Status: Online
Size: 2000021315584 B (2.0 TB)
Free Space: 9392128 B (9.4 MB)
|
+-< Physical Volume DFEAFE30-FF0B-417B-B845-7C0A283FB4D4
| ----------------------------------------------------
| Index: 0
| Disk: disk2s2
| Status: Online
| Size: 2000021315584 B (2.0 TB)
|
+-> Logical Volume Family 0A741FD9-F957-4188-B1D9-233145A76ABF
----------------------------------------------------------
Encryption Type: AES-XTS
Encryption Status: Unlocked
Conversion Status: Complete
High Level Queries: Fully Secure
| Passphrase Required
| Accepts New Users
| Has Visible Users
| Has Volume Key
|
+-> Logical Volume 253049D8-C1A5-41B1-A9C5-788AA41E0157
---------------------------------------------------
Disk: disk3
Status: Online
Size (Total): 1999659597824 B (2.0 TB)
Revertible: No
LV Name: egmac2.bak
Volume Name: egmac2.bak
Content Hint: Apple_HFS
But then:
> diskutil cs passwd 253049D8-C1A5-41B1-A9C5-788AA41E0157 -oldpassphrase whatever -newpassphrase whattheheck
diskutil: did not recognize coreStorage verb "passwd"; type "diskutil coreStorage" for a list
