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Version actuelle par : Dan (détails du vote) ,

Titre:

How do I split Fusion drive on Mojave / APFS?

Texte:

Hello.

I have a 2013 iMac that has a Fusion drive. I want to replace its internal HDD with an SSD. My understanding is that I should split the Fusion drive before performing this.

I referred to the article https://www.macworld.com/article/2015664/storage-flash/how-to-split-up-a-fusion-drive.html which discusses the use of diskUtil and Core Storage to get the GUIDs and split the drive.

However, invoking '''disktutil coreStorage list''' returned ‘No CoreStorage logical volume groups found’. I then tried '''diskutil list''', which returned  more information, apparently showing the fused drives as '''‘synthesized’.''' I read a bit about this in other discussions, and it seems like this is perhaps a Mojave/APFS version of a Core Storage Fusion  config.

I’m wondering what I need to do to split my Fusion drive. Is there something else to use, or do I not even need to split the HDD/SSD before replacing the HDD?

Thanks.

-Allan

=== Update (12/22/2018) ===

I wonder if I need to downgrade it to High Sierra, and setup the drive as HFS?

Appareil:

iMac Intel 27" EMC 2639

Statut:

open

Réponse acceptée:

554760

Modifié par : young ,

Titre:

How do I split Fusion drive on Mojave / APFS?

Texte:

Hello.
 
I have a 2013 iMac that has a Fusion drive. I want to replace its internal HDD with an SSD. My understanding is that I should split the Fusion drive before performing this.
 
I referred to the article https://www.macworld.com/article/2015664/storage-flash/how-to-split-up-a-fusion-drive.html which discusses the use of diskUtil and Core Storage to get the GUIDs and split the drive.
 
However, invoking '''disktutil coreStorage list''' returned ‘No CoreStorage logical volume groups found’. I then tried '''diskutil list''', which returned more information, apparently showing the fused drives as '''‘synthesized’.''' I read a bit about this in other discussions, and it seems like this is perhaps a Mojave/APFS version of a Core Storage Fusion config.
 
I’m wondering what I need to do to split my Fusion drive. Is there something else to use, or do I not even need to split the HDD/SSD before replacing the HDD?
 
Thanks.
 
-Allan
 
=== Update (12/22/2018) ===
 
I wonder if I need to downgrade it to High Sierra, and setup the drive as HFS?

Appareil:

iMac Intel 27" EMC 2639

Statut:

open

Modifié par : young ,

Titre:

How do I split Fusion drive on MojaveMojave / APFS?
How do I split Fusion drive on MojaveMojave / APFS?

Texte:

Hello.

I have a 2013 iMac that has a Fusion drive. I want to replace its internal HDD with an SSD. My understanding is that I should split the Fusion drive before performing this.

I referred to the article https://www.macworld.com/article/2015664/storage-flash/how-to-split-up-a-fusion-drive.html which discusses the use of diskUtil and Core Storage to get the GUIDs and split the drive.

However, invoking '''disktutil coreStorage list''' returned ‘No CoreStorage logical volume groups found’. I then tried '''diskutil list''', which returned  more information, apparently showing the fused drives as '''‘synthesized’.''' I read a bit about this in other discussions, and it seems like this is perhaps a Mojave/APFS version of a Core Storage Fusion  config.

I’m wondering what I need to do to split my Fusion drive. Is there something else to use, or do I not even need to split the HDD/SSD before replacing the HDD?

Thanks.

-Allan

Appareil:

iMac Intel 27" EMC 2639

Statut:

open

Contribution d'origine par : young ,

Titre:

How do I split Fusion drive on Mojave?

Texte:

Hello.

I have a 2013 iMac that has a Fusion drive. I want to replace its internal HDD with an SSD. My understanding is that I should split the Fusion drive before performing this.

I referred to the article https://www.macworld.com/article/2015664/storage-flash/how-to-split-up-a-fusion-drive.html which discusses the use of diskUtil and Core Storage to get the GUIDs and split the drive.

However, invoking '''disktutil coreStorage list''' returned ‘No CoreStorage logical volume groups found’. I then tried '''diskutil list''', which returned  more information, apparently showing the fused drives as '''‘synthesized’.''' I read a bit about this in other discussions, and it seems like this is perhaps a Mojave/APFS version of a Core Storage Fusion  config.

I’m wondering what I need to do to split my Fusion drive. Is there something else to use, or do I not even need to split the HDD/SSD before replacing the HDD?

Thanks.

-Allan

Appareil:

iMac Intel 27" EMC 2639

Statut:

open