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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APFS Fusion Drive with external USB on 2018 Mac Mini
For fun, I've bought a USB thumbdrive from a reputable brand, and was able to build an APFS fusion drive (with the internal SSD as the main, and the USB thumbdrive as the secondary) on my 2018 Mac ...
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Track down disk activity MacMini and Mojave
Late 2014 MacMini with combo SSD + HD Fusion Drive
Usually runs great, about 3x a day I can hear the HD really doing a lot of activity, reads / writes.
What can I use to determine which process is ...
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24 views
Trouble restoring hard drive space after deleting bootcamp partition
I have a problem with my Fusion Drive. I created partition for Bootcamp, then deleted it, then something went wrong. I lost 200 GB of space and I have a trouble restoring it, Fusion Drive capacity ...
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How do I stop a 2012 iMac internal Fusion drive from powering up
I want to completely stop my internal Fusion drive from powering up, since I no longer use it and it is very noisy.
My late 2012 27” iMac came with a Fusion drive, which has long since stopped ...
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How to remove Fusion Drive?
I tried applying recommendations from other sites, but the methods did't work.
diskutil cs list - no logical drives
diskutil apfs deletecontainer - also does not work
I loaded with
bootable ...
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35 views
iMac beachballing for no reason — I suspect it might be faulty hardware. What can I do to work around it? [duplicate]
The Problem:
A couple of weeks ago, the iMac started "beachballing" regularly in normal use
There is no discernible pattern to what triggered a beachball. It could be switching between windows, ...
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1answer
27 views
Upgrade from Fusion Drive to SSD without breaking fusion first
I replaced my fusion drive with a 1TB SSD but didn't break the fusion first. I'm running an iMac (27-inch, Late 2013) 3.2ghz i5 w/ 8GB RAM with Catalina 10.15.3
I'm attaching a photo of my device ...
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1answer
31 views
Performance increase from Fusion Drive
I have a 2011 27" iMac i7 3.4gHz with 24 GB RAM. The startup disk is a 256 GB SSD and then I have another 1TB HDD installed as well. I use it for both design (Adobe Suite, Sketch, etc) and front-end ...
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81 views
How Can I Recover My Data From a Failed Fusion Drive Using TestDisk?
I have a 2017 iMac (version 18,3) with Mojave on a 2TB Fusion Ddrive. The volume is not encrypted, no Bootcamp, I created no extra partitions. Aside from the migrated data from my old MB Pro, it ...
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1answer
177 views
Is my Fusion Drive set up on my iMac correct? or is there a fix?
I have a 2013 iMac previously running Mojave, now running Catalina. I thought on Catalina, that when in Internet Disk Recovery Mode, you should be able to select the Fusion Drive and be able to erase ...
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Had to force computer into OS recovery
Upon opening "Disk Utility" from the Recovery window, a prompt asks if I want to revert to a working state. How far back does a working state go? Does this mean I will lose files from my desktop?
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460 views
creating APFS fusion drive / conversion to APFS from HFS+ fusion drive fails - “you are trying to create an upside down Fusion”
I have 1TB Internal SSD and 512GB SD card in a SD slot.
I can create a fusion drive in HFS+ format, and the drive was running fine on my previous El Capitan system. Now that I upgraded my system to ...
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43 views
Can I recover a drive after accidentally allocating it to a fusion drive?
I made an incredibly boneheaded mistake. I typed diskutil cs create Fusion\ Drive disk1 disk2 instead of diskutil cs create Fusion\ Drive disk0 disk1 (while I was looking at the list to make sure I ...
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21 views
2012 Mac Mini with Fusion Drive only Boots while Verbose Mode
I have a mac mini 2012 which only boots to completion when in verbose mode. when just normal booted it gives the fan symbol for a few seconds and then loops back around.
I've done a time machine ...
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EFI partitions after splitting Fusion Drive and how to install Boot Camp now
I've split my 2TB HDD + 128GB SDD Fusion Drive into two separate disks so I can make better use of it by taking control on what is stored where. The process was fairly simple so I ended up with macOS ...
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Macbook 'Missing Space' Issue after Removing Partition
I had previously set up my 2012 Macbook Pro in a fusion drive configuration (250GB ssd and 500GB HD) for macOS and had a 250ish GB partition for Windows on my 500 GB hard drive. I tried removing the ...
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Is it possible to add an SSD module to an iMac 27" Late 2012 model to create a fusion drive on that?
I have this old iMac 27", model iMac 13,2 (Late 2012).
This computer has a regular hard disk.
I wonder if it is possible to add a SSD disk module to it, to convert the main disk into a fusion drive?
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677 views
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
339 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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2answers
1k 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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2answers
1k 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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2answers
5k 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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1answer
577 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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7k 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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790 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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22 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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1k 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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203 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
747 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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159 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
527 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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1k 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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403 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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111 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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488 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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2k 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
902 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
312 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
3k 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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75 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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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
982 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
126 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
382 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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1k 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
136 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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94 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
52 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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762 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
496 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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