Tagged Questions
2
votes
0answers
121 views
How do I troubleshoot appalling write performance on DIY Fusion Drive?
I recently bought a 120 GB OCZ Vertex 3 and stuck in my 2009 Macbook White, together with a optibay-adapter for the old 500 GB HDD and configured them as a corestorage "fusion drive" by using the ...
1
vote
1answer
406 views
Split an Apple-supplied Fusion Drive back into two separate volumes?
Is it possible to take an Apple factory-created Fusion Drive and downgrade it into two separate volumes? I understand this would also necessitate reinstalling the OS and Recovery Partition etc.
The ...
2
votes
2answers
3k views
How can I verify that a DIY Fusion Drive is working as it should?
I installed an SSD in my 2011 Mac Mini to run alongside the stock 500GB HDD. After carefully reading through a number of tutorials, I used Terminal to merge them into a single "Fusion Drive". I cloned ...
9
votes
3answers
624 views
What happens when you remove (or lose) the SSD from a Fusion Drive?
After storing data on a Fusion Drive, is it possible to downgrade your Mac to use the hard drive (HDD) by just removing the solid state drive (SSD)?
In particular, I was wondering what happens when ...
2
votes
2answers
656 views
What is the layout of a real Apple supplied fusion drive?
Would someone who has a fusion drive that they bought directly from Apple please provide diskutil output sufficient to describe the choices they made?
I've seen lots of different sets of advice for ...
2
votes
1answer
514 views
How do I see disk usage within a Fusion Drive (CoreStorage Logical Volume)?
I just created a "Fusion Drive" on my MacBook Pro by following "How to make a Custom CoreStorage Drive in OS X".
It was created with a 256GB SSD and 320GB HD, with the SSD set as the "primary" disk ...
1
vote
1answer
1k views
OS X Mountain Lion does not boot after the creation of a Fusion Drive
I have followed a guide to set up the core storage logical volume to use one SSD and one HDD.
Since then, I have encountered multiple errors such as:
69822 Couldn’t rediscover disk after operation
...
0
votes
1answer
500 views
How can I manually force a file of a Fusion Drive to the SSD?
From what I understand, the implementation of the Fusion Drive is at the OS level (coreStorage). Yet, I want to know if it's possible to manually interfere in the management for a specific file or ...
1
vote
0answers
198 views
Where does a Fusion Drive store Time Machine local backups? Should I disable local backups?
Time Machine in OS X does store local backups (snapshots) on the local harddrive if you have Time Machine enabled.
Even if you backup regularly, the size of the local backups increases steadily. In a ...
7
votes
4answers
6k views
DIY Fusion Drive: Adding Recovery HD to a CoreStorage Volume Group
After creating a "DIY Fusion Drive" using the methods below in 10.8, I'm now wondering how to add a RecoveryHD partition to the internal drive.
Here's what I did to create a Logical Volume Group ...
41
votes
8answers
13k views
Can I make a DIY Fusion Drive?
I have a Mac Mini with two drives: a 256GB SSD and a 500GB HDD. From what I've read, the new Fusion Drive does all of it's magic in software, using the Core Storage APIs.
Can I get my setup to ...
