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Time Machine is Apple's built-in backup software. Time Machine was first introduced on OS 10.5 Leopard.

2 votes
1 answer
3k views

Encrypted Time Machine backup is super slow using an encrypted USB volume?

I have an external USB3 disk connected to my MacBook Pro. I first formatted it with GUID/APFS and encryption, and used the "atto disk benchmark" app to measure performance. It showed about 100MB for r …
GhostCat's user avatar
  • 977
2 votes
Accepted

Encrypted Time Machine backup is super slow using an encrypted USB volume?

Based on the comments by user Tetsujin and this apple community entry the "answers" are: Yes, a full disk encrypted TM backup to a USB3 drive is slow. Overall performance varies greatly, many small f …
GhostCat's user avatar
  • 977
1 vote
0 answers
73 views

How to change encrypted volume password on command line? [duplicate]

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 ins …
GhostCat's user avatar
  • 977