Apple's branding of a tiered storage solution where an SSD and HDD are combined using core storage to appear as one fast and spacious drive.

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2answers
254 views

FusionDrive seems to not use SSD

I'm trying to make a homebrew FD of 500GB HDD and 128GB SSD. I'm using Maverics 10.9.1 and MD101 MBP. What I did was: install HDD into superdrive bay install SSD into HDD compartment use diskutil ...
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2answers
63 views

Not able to restore my 3TB fusion drive late 2013 iMac

Last weekend my iMac started to act in a very strange way. While I was working, my Mac was very slow and the mouse and keyboard didn't respond very well. So I decided to reboot because having two ...
2
votes
1answer
129 views

Can't delete Logical Volume Group on Fusion drive

I have a 2014 iMac Retina running OS X Yosemite and a 3TB Fusion drive. I am attempting to restore it from a Time Machine backup, but when I try to do so, I get the error message, "The disk can't be ...
2
votes
1answer
163 views

Should I create a Fusion Drive before or after downgrade (from Yosemite to Mavericks)?

I bought a used Mac Mini late 2012 with installed Yosemite and two drives: SSD 128 GB and HDD 500 GB. I want to create a Fusion Drive and downgrade to Mavericks via bootable USB flash drive. What ...
0
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1answer
47 views

Fusion Drive lost space after bootcamp-fail. resizeStack throws an error. What can I do?

I have a 2 TB Fusion Drive in a 5K iMac (Late 2015). Two days ago, I started the bootcamp assistant to create a partition for Windows 10. It got stuck (let it run 30 minutes), however, which forced me ...
0
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1answer
79 views

Problem with 3 TB Fusion Drive, it can't be deleted, formatted or partitioned

I want to clarify that I already followed the instruction with I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp) but I think I have mayor problems. I followed the instructions to ...
0
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1answer
146 views

Fusion Drive with missing partition

Initially my Fusion drive (1TB data disk + 240 GB SSD) consisted of a single partition where it was installed El Capitan, then I split the fusion drive into two partitions, the second partition I ...
0
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1answer
41 views

How to remove windows partition without having to erase the other one?

I have an imac late 2013 with a fusion drive. I've created a windows 10 partition and I'd like to delete it. I tried with bootcamp and disk utility but as you've probably heard before, it came up with ...
0
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1answer
149 views

Why can I only have 2 partitions on my 3TB Apple Fusion Drive?

According to Apple, I can only have 2 partitions on my 3 TB Fusion Drive. I do not understand why. Techtool Pro made an eDrive, their emergency boot drive, and Apple made their Recovery HD. It ...
0
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1answer
372 views

How do i get full capacity from Fusion drive on vmWare ESXi 6.0 Mac Mini 7,1

I managed to install the free vmWare ESXi 6.0 hypervisor on a Mac Mini 7,1. It's running rather nicely from a USB memory. The mini has s 2TB Fusion drive. My problem is that i can only get the 106 GB ...
0
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1answer
611 views

Can I upgrade the size of my Fusion Drive from 1TB to 3TB?

I bought a new iMac last summer and went with the 1TB Fusion drive. It works well, but is already full. Is it possible to upgrade the size of the fusion drive myself? Can I buy a 3TB internal drive ...
0
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1answer
209 views

RAID 0 On 21.5" iMac Late-2012

I am about to get my fusion drive upgraded to a 256gb SSD on my Late-2012 21.5" iMac that I got from work (don't worry I have a company upgrading it, and yes they know its a Late-2012 iMac). When ...
3
votes
0answers
1k views

Fusion Drive with SSD and HHD Hybrid Drive (e.g. Seagate Momentum XT 750 GB with 8 GB SSD): Good idea or plain nonsense?

I’ve seen numerous instructions on how to setup a Fusion Drive from your own SSD and HD, e.g. Can I make a DIY Fusion Drive? Very silly question: How would a Fusion Drive built from an SSD and a ...
1
vote
0answers
29 views

Is it possible to use diskutil to manipulate the read/write buffer of the SSD portion of the fusion drive?

Has anyone been able to use diskutil to manipulate the Core Storage LVM into increasing the size of the read/write buffer of the SSD? Currently the Fusion Drive keeps 4 GB free for new reads/writes. ...
1
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0answers
169 views

Dual-booting a Linux distribution on a Mac with Fusion Drive

I'd like to install a Linux distribution alongside OS X on my 2014 5k iMac with a 3TB Fusion Drive (128GB SSD + 3TB HDD). Most guides about dual-booting Linux I've found focus on regular ...
1
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0answers
50 views

Lost a Fusion drive boot disk

i can see my Fusion Drive disks (ssd+hdd) in Terminal: But i lost it in the boot and cant boot MAC OS. (please see album with photos on http://imgur.com/a/N5zY2 ) I cant repair my system, when i ...
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vote
0answers
242 views

Broken fusion drive - SSD size is 0B and 'No CoreStorage logical volume groups found'

Some context first: I have late 2012 iMac 27" with 1TB fusion drive. Some time ago, for whatever reason, the SSD drive became visible in Disk Utility. I happily used the drive for Yosemite and ...
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0answers
72 views

How to split fusion drive?

I have MacBook Pro late 2012. Instead DVD I made SSD and Fusion Drive by some instructions from web. As you know it's logical drive and looks like one. But now I need second logical partition for ...
1
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0answers
19 views

Aperture library on self-created FusionDrive: References are lost

I know it's a bit late to ask Aperture questions, but anyway... I run Aperture on an iMac with a self-created FusionDrive. The FusionDrive's volume is called FusionDrive, and it consists of an SSD ...
1
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0answers
106 views

Create your own Fusion Drive?

Is a Fusion hybrid drive anything special in terms of hardware, or is it literally a SSD drive and a regular disk glued into one box, and all the Fusion "magic" is done by software? Can you get ...
1
vote
0answers
159 views

Double Fusion Drive Volume in Startup Menu after DIY Drive Fusion

After replacing the SuperDrive in my MacBook Pro I copied the Recovery HD to a USB stick and booted from it. Then I ran diskutil cs create MacintoshFusionDrive /dev/disk0 /dev/disk1 (SSD, HDD), ...
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0answers
201 views

Make an external DIY Fusion Drive

Last year, I created a Fusion Drive in my 13" MB (2008) by replacing the optical drive with a SSD and link it with the internal HDD by some terminal-magic from a computer magazine. It worked like a ...
1
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0answers
592 views

Fusion Drive not moving data back to SSD - anyone encounter this?

I'm about to buy a Mac Mini and have got the DIY Fusion Drive parts handy. I'm actually a bit on the fence about the choice of manual SSD+HDD separation with the aid of symlinks and proper Fusion ...
1
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0answers
1k views

Fusion Drive Setup: Possible to force the HDD to spin down as long as your reading from/writing to the SSD?

I'm considering to replace my optical drive in my MacBook Pro with an SSD. When using it as separate Volume, the advantage is that you can spin down the HDD, thus reduce noise and first and foremost, ...
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0answers
288 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 ...
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0answers
13 views

Reset MacMini Fusion Drive Volume

When install Windows10 with BootCamp,click new partition serial times,disk volume is disorder now. Can't merge by BootCamp and Disk Utility. diskutil list ...
0
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0answers
22 views

How to be sure that I installed the fusion drive properly?

Hello guys I would like to know how to be sure that I properly installed the fusion drive because last night I bought an iMac but I had to reinstall el capitan for reasons but since I'm a newbie I ...
0
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0answers
25 views

Add SD card to fusion in MacBook Pro 12,1

I wanna know if it's possible to add a 128 GB to my MacBookPro12,1 (13-inch Retina, early 2015) and make 250 GB Fusion drive. $ sudo diskutil list /dev/disk0 (internal, physical): #: ...
0
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0answers
283 views

Boot Camp fails on iMac late 2015 2TB Fusion drive

After one week of try and error I need your help! I'm trying to install Windows 8.1 via Boot Camp on my iMac. What I have: - late 2015 iMac 27", 2TB Fusion drive, OS X 10.11.1 - Windows 8.1 64-bit ...
0
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0answers
39 views

Encrypted hard-drive I can't reformat in Disk Utility

I have an external HDD I wish to reform (erase) so I can put inside my MBP and make a DIY fusion drive. I've done the fusion drive before but Apple made me remove it for a logic board replacement. ...
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0answers
24 views

Can you backup/restore a Fusion drive with a simple 'dd' command?

I have a MacPro with two drives configured as a Fusion drive. It is worth noting that the HDD of the pair also has a bootcamp partition carved out. I'm nearly ready to upgrade from Mavericks to El ...
0
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0answers
39 views

Can I re-fuse a Fusion Drive?

Prior to doing a TimeMachine recovery, I got confused and did some stuff in diskutil I probably shouldn't have. I deleted the cs and expected OSX to recreate it but it didn't, and now my HDD is ...
0
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0answers
137 views

Does OS X 10.11 reserve space on the Fusion drive for RAM swapping?

I know the Fusion drive holds the OS and commonly used programs, but I haven't been able to confirm it reserves space for any "swap files" needed when RAM is fully utilized?
0
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0answers
92 views

Random freezes during work (Fusion Drive not removed correctly?)

I have a Macbook Pro 13" late 2011 and ever since I've replaced DVD-reader for an SSD my notebook started freezing sometimes. It happens suddenly, for no reason whatsoever and I can only move mouse ...
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0answers
38 views

Mac Mini HDD noises and internal HDD Standby

I have a default Mac mini 2.8GHz 2014 with Fusion Drive. My problem is that the mac makes a few noises. Because it is my home server and guest are sleeping in that room these noises are annoying. I ...
0
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0answers
124 views

1TB DIY Fusion drive on MacBook Pro 13'' 2012 OS installation problem

I created DIY Fusion drive using a Seagate 750GB HD and a Samsung Evo 850 256GB, a total of 1TB Fusion on my MacBook Pro i7 2.7 Ghz. After creating the Fusion drive, I used Yosemite 3.0 USB ...
0
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0answers
22 views

Unnable to dismount my fusiondrive - I removed one physical volume

I bought a Macbook Pro Retina 13 w/ 128 flash. When I try to put all my stuff on it I verified that it doesn't fit. So my friend pick an 128 SDXC card and made a Fusion drive with my standard internal ...
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0answers
110 views

Mount part of a failed Fusion drive

Long story below. I have the rotating 3TB drive part of a fusion drive. Is it possible to fix/mount/access the files on this drive? I have it in a external usb dock. I get the option to "fix" but it ...
0
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0answers
48 views

Can you add a 3rd-party hybrid disk to a 2012 Mac Mini?

The Apple Fusion drive is done predominantly through clever software, I wondered what happens if instead of trying to do a DIY Fusion with 2 drives, you just replace the standard fixed drive with a ...