Questions tagged [fusion-drive]
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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CoreStorage disk won't unmount
My roll-your-own Fusion drive has become corrupted somehow, and I want to start all over. However, it won't unmount. When I run (from another startup disk, of course)
diskutil cs delete <Logical ...
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1answer
35 views
The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave iMac Fusion Drive
The startup disk cannot be partitioned or restored to a single partition.
The startup disk must be formatted as a single Mac OS Extended (Journaled) volume or already partitioned by Boot Camp ...
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FusionDrive not mounting because the GUID Partition is messed up after removing one physical drive
so I got a really delicate situation going on. I exchanged my mechanical HDD with a SSD and turned the 1TB HDD into a external USB device. So far so good, everything works like a charm. Yesterday I ...
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2answers
61 views
Does this mean my fusion drive has split?
I've been getting the message that my Mac has run out of application memory.
I've been trying to clear up some disk space, but some how it doesn't move free space up, in fact it decreased.
Then I ...
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1answer
96 views
APFS Volume not claiming available APFS Container space
I'm at my wit's end with this, and I can't find anything about it in documentation or questions, so I thought I'd ask one.
I had an APFS Fusion Drive that included two drives: (120+500) GB. I cloned (...
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55 views
Mac won't boot without Startup Manager
So I have iMac 5k Late 2014 with macOS Mojave. I also have installed bootcamp Windows 10 although I'm not sure if this is relevant. For a while now I have been experiencing a peculiar issue with start ...
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2answers
879 views
How do I split Fusion drive on Mojave / APFS?
I have a 2013 iMac (27" 3.5GHz i7, model id iMac14,2, EMC 2639) that has a Fusion drive. I want to replace the Fusion's internal HDD with an SSD. My understanding is that I should split the Fusion ...
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92 views
Hard-Drive Storage size issues after partition Disk Utility
I wanted to create a partition on my iMac for Windows to be able to play Windows games. I have used Disk Utility to create a 20GB partition on my 1,12TB Fusion drive. This caused a problem on my ...
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2k views
How can I create an APFS fusion drive in Mojave using my SSD and HD?
Now that Mojave supports APFS in fusion drives, how can I create a fusion drive from scratch with my SSD and HD?
I have a Mac Mini with an 128 GB SSD and a 1TB HD, already updated to Mojave and using ...
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0answers
23 views
Installation High Sierra on external SSD and problems with internal Fusion Drive
I have a mavericks iMac with Fusion drive. I use an external SSD to test new O.S. from Apple before to do a real upgrade,
A few days ahead I tried install HS to the external drive,
After that My ...
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241 views
Split a fusion drive
The SSD part of my Mac Mini fusion drive is failing.
I would like to know it there is a way to force all the data to move to the HD, shrink the virtual volume and then split the drive while leaving ...
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1answer
446 views
Windows 10 Boot Camp on Mac mini Fusion Drive is running very slow. How to replace HDD / upgrade disk to SSD without reinstalling OS?
Hardware:
- Mac mini (late 2014)
- Core-i5
- 8GB
Logical drive:
- Fusion Drive 1,15TB
Physical drives:
- 128GB PCIe
- 1000GB HDD
Partitions and systems:
- 250GB HFS+ macOS High Sierra
- 850GB NTFS ...
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0answers
21 views
Faster or Bigger? [duplicate]
I had my question put 'on hold' because someone deemed it opinion oriented, so I'll rephrase it - For video editing, is it better to have a faster hard drive or a larger one? I hope to learn editing ...
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1answer
328 views
how to prepare two SSDs after upgrade (merge to fusion drive or not, terminal commands)
I just upgraded the CPU of my 2015 27" Retina iMac and while I was in there I took out the 1TB HDD and replaced it with a 512GB Samsung 850 Pro SSD. Now I'm ready to set it all up, but I'm not sure ...
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128 views
Mac Pro 5.1 (mid 2012 ) Fusion Drive (2 SSDs and 1 HDD)
I have 2 SSDs 160GB each and a 4TB Disk (all SATA) I was thinking to put them in Fusion Drive setup, will it work? how it will work?
which setup is recommended if possible? any speed benefits?
...
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1answer
279 views
Can I use a Seagate SSHD in my iMac and if so, how do I load OSX (High Sierra) onto it
I'm looking to upgrade my iMac 14.2 (late 2013) by swapping out the existing HDD with a Seagate SSHD Hybrid drive, along with adding another 8Gb memory. I've done a similar upgrade on my daughter's ...
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37 views
Can't boot back into macOS after extending my Fusion Drive in Linux
I'm having a lot of trouble trying to boot macOS on my iMac after an extrememly shitty attempt at cleaning up my Fusion Drive. Here's what I've done leading up to this point:
Installed rEFInd, ...
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0answers
88 views
Rescue Fusion Drive
Local Apple support suggested me to change the 2 TB Seagate Fusion drive with a 2 TB SSD to increase speed in my 27" Retina iMac with macOS Sierra installed.
I had a full backup done with Carbon Copy ...
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2answers
210 views
Is it possible to have an Apple Genius replace my Fusion drive with an SSD in my iMac?
Can I take my iMac to an Apple store and have the Geniuses replace its Fusion drive with a pure SSD?
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659 views
How to access a fusion drive from ubuntu linux by mounting apple core storage
my iMac with 3TB fusion drive won't boot anymore. even when booting to recovery it crashes with kernel panic. the stack trace says
com.apple.driver.Corestorage
dependency com.apple.iokit....
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1answer
258 views
Apple_Boot “Boot OS X” partition and Fusion Drive
I recently had an 10.13.4 update problem and while trying to fix it I ended up "corrupting" completely my "Boot OS X" partition files.
while my Fusion drive partition was updated correctly to 10.13.4, ...
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85 views
macOS El Captain missing disk space on Fusion drive on iMac, missing contents for GPT partition
I was formatting my Fusion drive of 3 TB and unfortunately it seems 1 TB is missing. I tried to search the answer on this forum and found some relevant answers here but my situation is bit different ...
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1answer
285 views
I Have a problematic SSD
I didn't know how to give this question a better title since I have no idea what happened to my SSD.
I was using this SSD in my MacBook Pro set up as a DIY fusion drive with the MBP original HD.
...
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1answer
1k views
Fusion drive only shows the SSD partition
Ok, I am at my wit's end. Last week after 10.13.3 failed to install twice, my late 2014 5K Retina iMac became painfully slow. Eventually it just bricked. I tried to restore from Time Capsule over ...
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1answer
372 views
Is encrypting then deleting the same as securely erasing?
So, recent versions of macOS no longer offer the option to Empty Trash Securely. From what I am reading here and here it seems the general consensus is that it is now best to encrypt files and then ...
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1answer
224 views
Re-Merge El Capitan Recovery with Original Mac OS
Due to recent partitioning mistakes I was unable to boot up my Mac OSX or my Bootcamp on my Mac since. As a last resort I went to recovery mode and downloaded a new El Capitan OS.
Unfortunately this ...
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1answer
2k views
How to upgrade to 10.13.3 with fusion drive on apfs
I installed High Sierra via the app store, the regular way. In the process the fusion drive of my mac mini was converted to apfs.
I am still on 10.13.1, and wondered, why available upgrades did not ...
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0answers
60 views
How can I get my Fusion Drive switched out for an SSD in my iMac while retaining my Apple care warranty?
Title says it all. Starting to regret the Fusion Drive. But don’t want to lose my warranties.
Location: West Sussex, Chichester UK.
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60 views
How to delete all partitions from iMac without an OS installed and rebuild a fusion drive without UUID
a friend of mine bought a second hand iMac and they erased sort of everything from the iMac before it was given to him. There is no OS installed and it's not possible to instal a new version from OSX ...
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1answer
549 views
iMac 27 Fusion Drive restore from SSD
How can I restore an image (dmg) of my MacBook's 512 GB SSD (APFS encrypted) onto a 1 TB Fusion Drive using Disk Utility?
I am a bit confused with the Fusion Drive. Can I make it pure HDD and just do ...
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0answers
90 views
Salvage data from fusion drive
I have a 2015 iMac 27 inch that had a fusion drive. I recently replaced the fusion drive with a SSD drive.
It seems that my iMac had two storages. One is an 128GB SSD drive connected via PCI and a ...
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1answer
128 views
Moving just MacOS from HDD to SSD
I have an iMac with a fusion drive. A while back, the drive separated into two seperate drives, with one OS on both the SSD and HDD each. The Apple Technician was unable to help me to join them again ...
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2answers
611 views
Reusing iMac Fusion Drive as external drive
The logic board of my iMac 27" Retina broke and I find it impossible to get a new one in the country where I'm living in.
I wonder if it's possible to access the data in the Fusion hard drive,
...
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1answer
100 views
How to reformat a HDD to show the proper size?
Long story short. On my iMac I had a Fusion Drive: 250GB SSD + 750GB HDD.
The SSD failed totally, is completely dead. HDD seems to be OK. I replaced the SSD and erased the HDD.
The HDD seems to be ...
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71 views
iMacs Fusion Drive: only SSD listed, no HDD
I had some problems with a Mac's Fusion Drive. I erased the first MB of the SDD (Terminal in recovery mode). After that I partitioned the SDD again (with GUID). That works. But the HDD is now missing. ...
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1answer
44 views
How do I consolidate all my partitions into one partition usable for Bootcamp?
I've been having an issue with Bootcamp recently after I deleted my Windows disk due to a driver issue that was unfixable. I figured I would just do a fresh install of Windows, but little to my ...
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1answer
541 views
FileVault 2 encrypted Fusion Drive on iMac doesn't boot anymore
I bought a 2017 iMac, migrated the contents of my 2012 iMac (so I have my data! ) and I wanted to erase the 2012 iMac it replaces using Disk Utility in Recovery Mode.
I had hoped this would be a ...
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1answer
285 views
Hard Drive I replaced still showing up in Disk Utility and as a Startup Disk
I have a late 2012 Mac Mini running macOS Sierra (10.12.6). It came with a 1TB fusion drive. I recently removed that drive to replace it with a 960GB SSD. All is working fine except for two issues.
...
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Unable to unpartition main hard drive [duplicate]
I have a late 2013 27 inch iMac with a 3 TB Fusion Drive with macOS Sierra installed.
I partitioned my drive right down the middle, so 1.5 TB on either side.
When I went into Disk Utility mode to ...
3
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1answer
339 views
3 TB Fusion Drive missing space after unsuccessful Windows installation via Bootcamp
I have been trying to install Windows via Bootcamp on my iMac (Retina 5K, 27-inch, 2017, 3 TB Fusion Drive; Mac OS 10.12.6) and messed up. Here are the steps taken so far:
Ran Bootcamp and ...
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1answer
507 views
Is there a way to rescue the contents of this messed up Fusion Drive?
I got a Mac in to support with a weird problem with a Fusion Drive. Basically it looks like this
admins-iMac:~ admin$ diskutil corestorage list
CoreStorage logical volume groups (1 found)
|
+-- ...
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0answers
256 views
Data Recovery options for iMac late 2013 1 TB Fusion Drive
My friend's iMac crashed. He took it to an Apple Store and they said the 1 TB HDD was failing. They got him to boot off an external and told him to go home back his stuff up and they can order and ...
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2answers
396 views
Does MacOS Support a Snapshot-Style Filesystem?
I would like to perform daily snapshots that I can revert to if someone:
downloads Malware
installs buggy software
etc.
Does such a thing exist? Is there a roadmap for it?
I have a Fusion drive ...
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1answer
3k views
Replace Hard Drive in iMac with Fusion
We have a Late 2012 iMac in the shop that needs the 3TB hard drive replaced. Turns out this model has a Fusion drive with an SSD that is on the backside of the logic board.
The drive has been swapped ...
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1answer
1k views
How can I fix or restore my 3TB Fusion Drive macOS install after Boot Camp partitioning error?
What I have:
- 27" 2012 Mac with 3TB Fusion Drive
- 3.4 GHz Core i7 (3770) ("Ivy Bridge") processor
- 24 GB RAM
I was trying to set it up with a Boot Camp partition for Windows 10. The story so ...
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2answers
501 views
Disk Utility Partitions Wrong Part of Fusion Drive
I have a question about my iMac 2015 Fusion Drive. I replaced my spindle with a SATA SSD 512gb drive. Here are the commands I used from an online instruction set to remake the Fusion Drive:
diskutil ...
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0answers
239 views
Merge existing HDD and SSD into Fusion drive
Some time ago I split the Fusion Drive into 2 parts, SSD and HDD accordingly. Now I decided to return to fusion drive, but I have some data that I would like to keep.
Is it possible to merge drives ...
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1answer
245 views
What should I do about a Mac Mini whose fusion drive is getting steadily slower and slower?
I have a 2012 Mac Mini (running OS/X 10.11.6) with an Apple-provided internal 1TB fusion drive that appears to be suffering from some kind of performance problem -- it seems to be getting slower and ...
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1answer
2k views
Can CCC clone a Fusion drive and restore it to a new SSD?
I have a 2012 Mac Mini with a 1TB Fusion drive. The noise of the spinning disk has been increasing lately and I want to replace it with a Crucial MX300 1TB SSD.
Carbon Copy Cloner makes a complete ...
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1answer
139 views
Swap Fusion Drive for SSD
I want to swap my Fusion Drive for a 1 TB SSD, to gain more speed loading programs. Do I have to delete (uninstall) the Fusion Drive first or can I just take out the HD and install the SSD and then ...
