Why did High Sierra update corrupt my fusion drive?

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
Lately I have noticed that my High Sierra 17,1 iMac will restart on its on, or even shut down by itself. I booted from the internet and reinstalled High Sierra on my fusion drive. Then, I booted in both Apple+r and opt+r to run disk utility on my main hard drive, but Disk Utility cannot see the main fusion HD. So I booted from an external drive and repaired my fusion drive.

Still concerned that with the new system install, Disk Utility cannot see my fusion drive, I called Apple Support. They told me to go to the Apple Store for repairs. There, they ran diagnosis software, that reported nothing wrong except my Ram may be seated incorrectly, but Apple Store said to let them wipe the fusion drive, because it will involve terminal commands. Then reinstall High Sierra.

Has anyone w a fusion drive experienced this corruption updating to High Sierra?
 

dianeoforegon

macrumors 6502a
Apr 26, 2011
907
137
Oregon
Did you select to format as APFS? In Disk Utility do you see the format as APFS?

Fusion Macs do not support APFS, but I'm wondering if your install formatted incorrectly. In Disk Utility first select the icon in the top left > Select All Devices.Take a screen shot in Disk Utility of your drive and post here.

If you are comfortable with the Terminal, type in diskutil list and post results here. (remove all external drives so it only includes your internal drives)

You might need to use diskutil cs list
 

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
It is my understanding that no one can format any HD in APFS yet, only flash drives can be formatted APFS. Apple installed High Sierra on my HFS+ Fusion drive (which includes a flash drive).

I will have to wait for the Apple Stores wiping of my fusion drive. They are also replacing my 17,1 27” screen as well. Apple said that they needed to wipe the fusion drive. Maybe I misunderstood, but updating to High Sierra became corrupted. Not enough to be unable to use the fusion drive, just the shut downs and restarts began after installing High Sierra. Again, I tried reinstalling High Sierra from the internet, and I was still unable to see the newly installed fusion drive from the restore partition afterwards.
 

CaTOAGU

macrumors 6502a
Jul 15, 2008
711
724
Manchester, UK
I'm suffering from the same problem with my 27"iMac with 3TB fusion drive. It restarts on its own or shutsdown on its own, sometimes it tries to wake and unlock itself as well. The symptoms are similar to this thread as I too get the, sleep failure, error mentioned. Googling around, no one seems to have found a fix yet. I've reset the bluetooth subsystem today, I'm waiting overnight to see if it's helped at all but I'm not hopeful. I've also tried SMC reset, PRAM reset, restarting in Safe Mode and installing the 10.13.4 combo update.
 

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
I think, you must wipe the fusion drive, then reinstall High Sierra, but you cannot wipe a fusion drive without incorporating TERMINAL commands. There is a page in Apple Support with instructions, but Apple Store is going to do it for me. You cannot reinstall High Sierra from the internet alone, you must use terminal on a fusion drive where the HD is still formatted HFS+ as all fusion drives are until Apple provides a way to format in AFPS.

It’s a real mess, as Apple left us fusion owners out to dry in the wind. Just my two cents.
[doublepost=1523225677][/doublepost]
I'm suffering from the same problem with my 27"iMac with 3TB fusion drive. It restarts on its own or shutsdown on its own, sometimes it tries to wake and unlock itself as well. The symptoms are similar to this thread as I too get the, sleep failure, error mentioned. Googling around, no one seems to have found a fix yet. I've reset the bluetooth subsystem today, I'm waiting overnight to see if it's helped at all but I'm not hopeful. I've also tried SMC reset, PRAM reset, restarting in Safe Mode and installing the 10.13.4 combo update.
What has resetting Bluetooth got to do with shutting down issues?
 

CaTOAGU

macrumors 6502a
Jul 15, 2008
711
724
Manchester, UK
I think, you must wipe the fusion drive, then reinstall High Sierra, but you cannot wipe a fusion drive without incorporating TERMINAL commands. There is a page in Apple Support with instructions, but Apple Store is going to do it for me. You cannot reinstall High Sierra from the internet alone, you must use terminal on a fusion drive where the HD is still formatted HFS+ as all fusion drives are until Apple provides a way to format in AFPS.

It’s a real mess, as Apple left us fusion owners out to dry in the wind. Just my two cents.
[doublepost=1523225677][/doublepost]
What has resetting Bluetooth got to do with shutting down issues?
It’s a complete mess definitely. I’m close to jumping ship after this one, paying the Apple premium used to mean not having to deal with stuff like this.

The rogue wake events were related to Bluetooth, it was the last thing to try before more extreme solutions like wiping the fusion drive and it hasn’t worked anyway, the iMac shut itself down last night, again.
 
Last edited:
  • Like
Reactions: !!!

robg121

macrumors newbie
Jun 25, 2007
6
0
Lately I have noticed that my High Sierra 17,1 iMac will restart on its on, or even shut down by itself. I booted from the internet and reinstalled High Sierra on my fusion drive. Then, I booted in both Apple+r and opt+r to run disk utility on my main hard drive, but Disk Utility cannot see the main fusion HD. So I booted from an external drive and repaired my fusion drive.

Still concerned that with the new system install, Disk Utility cannot see my fusion drive, I called Apple Support. They told me to go to the Apple Store for repairs. There, they ran diagnosis software, that reported nothing wrong except my Ram may be seated incorrectly, but Apple Store said to let them wipe the fusion drive, because it will involve terminal commands. Then reinstall High Sierra.

Has anyone w a fusion drive experienced this corruption updating to High Sierra?
[doublepost=1523304976][/doublepost]Had a terrible experience with the 10.13.4 update. I’ve always manually done OS updates, both version and incremental, usually running the combo update with no other apps or processes running in the background. The process has always gone smoothly on a 27” iMac, (4 GHz i7, 5K Retina, late 2014). But without realizing how the preferences in the App Store had changed to automatically run updates in High Sierra, Software Update updated from 10.13.3 to 10.13.4 in the middle of the night last week and bricked my system, bloating it to nearly 2TB in size (on a 3TB fusion drive), rendering it virtually inoperable. It also caused crazy amounts CPU usage of certain apps running in the background, such as the Adobe Desktop Service (part of the Creative Cloud). I tried resetting the SMC and NVRAM, reinstalling the OS in recovery mode and from the combo update, reindexing, but nothing seemed to work and eventually had to reformat and restore from a bootable backup. Though things are finally back normal, I still have no idea (nor do any of the Apple techs I spoke with) what could have caused the extreme system bloating and the bizarre CPU usage. Needless to say, I won't be updating the OS anytime soon and made sure the Apple Store prefs are set to never perform system updates automatically.
 

Fishrrman

macrumors Core
Feb 20, 2009
19,927
6,978
"Needless to say, I won't be updating the OS anytime soon and made sure the Apple Store prefs are set to never perform system updates automatically."

I've followed this policy for MANY years.

I DO NOT let Apple "automatically update" ANYTHING on my Macs.

I've even turned off notifications of updates.

I look for, download and then install all updates "manually".

I don't want the computer "doing things behind my back", at least not those things I can't control myself.

Things just go better that way...
 
  • Like
Reactions: !!! and Lyn2012

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
Got my iMac back from Apple Store, where they replaced the screen and wiped my fusion drive, then reinstalled High Sierra. My original complaint was the iMac would shut down or reboot spontaneously as well as inability to see the fusion drive booting into recovery mode. At the store, before I left, I asked them to boot the iMac into recovery mode. I saw the fusion drive, so I took the iMac home.

Today booted into recovery mode, and was UNABLE to see the fusion drive. Called Apple support, they are going to research and get back to me.

FUSION DRIVE OWNERS: can you see your fusion drive in recovery mode? I can’t.
 

CaTOAGU

macrumors 6502a
Jul 15, 2008
711
724
Manchester, UK
Got my iMac back from Apple Store, where they replaced the screen and wiped my fusion drive, then reinstalled High Sierra. My original complaint was the iMac would shut down or reboot spontaneously as well as inability to see the fusion drive booting into recovery mode. At the store, before I left, I asked them to boot the iMac into recovery mode. I saw the fusion drive, so I took the iMac home.

Today booted into recovery mode, and was UNABLE to see the fusion drive. Called Apple support, they are going to research and get back to me.

FUSION DRIVE OWNERS: can you see your fusion drive in recovery mode? I can’t.
Have you enabled File Vault since you got it home? I had file vault enabled and couldn't see my Fusion Drive in recovery mode. I've since disabled File Vault and can now see it. My Mac also sleeps correctly again, so it's likely both bugs are related to File Vault in some way.
 

haralds

macrumors 65816
Jan 3, 2014
1,223
372
Silicon Valley, CA
Check to see, whether there is a problem with your account settings by setting up another account and testing from it. I had some arcane issue I never identified in my user settings and it caused spurious crashes and failures for weeks. I started fresh and everything has worked since.
 

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
Check to see, whether there is a problem with your account settings by setting up another account and testing from it. I had some arcane issue I never identified in my user settings and it caused spurious crashes and failures for weeks. I started fresh and everything has worked since.
Wiping the fusion drive and reinstalling High Sierra, then migrating from Time Machine seems to have solved the shut downs and restarts. Now the remaining issue of the inability to run First Aid booting in Apple+R, or Shift+Option+Apple+R. Either the fusion drive does not show in First Aid, or it errors off.
 

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
This issue was not solved by wiping and migration. I have done a complete clean install of my 17,1 iMac. NO MIGRATION. I did drag my user documents folder back, but not a lot else. A lot of issues have gone away. All apps were reinstalled from Apple store, and a few other trusted vendors. I now see the fusion drive when booting from external drives. Appreciate everyones input.
 

ysiegel29

macrumors newbie
Aug 25, 2018
3
0
Europe
Hello,
I woud really appreciate if anyone could help with exactly similar issue...
Last night my iMac started updating to Sierra 10.13 (I believe) without me asking anything...
And this morning it was super slow until it shut down after any restart.
Went through safe mode, repair without luck so decided to format and do a clean install
However I want to make sur I do it the right way for the fusion drive to work properly.
I don't know much about drive formatting etc and could not find the solution online.

I attach a screenshot of disk list.

I know I should format and then create a fusion drive
but how do I format? In which way(HFS+? sana) and which drive? where is the fusion??

My Mac specs are attached (3To fusion).
Many thanks in advance for your help!!!!
Kind regards,
 

Attachments

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
Ysiegel29, your report says you have 21 partitions between your ssd hard drive and your 3TB hard drive. I suggest you take your device to an Apple Store and have them clean install your device, if they will install Sierra. I don’t know. But it doesn’t sound like you understand how to reinstall your device.

There is one thing I don’t know about: your device report says it’s logical vol group has 3TB, yet there is only 115k free space available? Maybe this is correct, I’m not sure.
 

ysiegel29

macrumors newbie
Aug 25, 2018
3
0
Europe
Thank you very much for your answer. Sorry my post could have been clearer. The disk list (with many partitions...) is what I can see now, whereas the two others screenshots have been taken sometime ago when everything was ok (glad I saved them elsewhere).
Yes not sure why so many partition appear. I guess some are form apple recovery ...
 

jaa6921

macrumors newbie
Oct 16, 2018
4
0
So, I had all kinds of weird symptoms. First my Wifi hardware went away, then my machine kept rebooting or hung at the Apple/grey screen.

Eventually I worked out that I no longer had a fusion drive intact. Following online guides I unmounted drives and rebooted to the Restore screen, and there used the Terminal commands of diskutil to link my drives under coreStorage and assigned a volume name. Three commands and I was done. (see below)

Once done I reinstalled the OS and so far all is well having restored from Time machine backup. I'd say the average person would not have a clue how to trouble shoot this, but its was as a direct result of the upgrade to APFS that broke the Fusion Drive. I am now running Mojave without issues

First you have to unlike and separate drive groups. I used the diskutil unmountDrive command to do that in Terminal

Next was

'diskutil coreStorage create Fusion /dev/disk0 /dev/disk1' (Fusion was my group name I chose)


'diskutil cs list' to identify the code of the group XXXXXXXXXXXXXXXX


'diskutil coreStorage createVolume XXXXXXXXXXXXX jhfs+ “MacHD” 100%'

My machine is a mid 2012 3.1TB fusion system
 

ysiegel29

macrumors newbie
Aug 25, 2018
3
0
Europe
Update on my side
I have tried everything but finally my HD started making very weird noises hinting at hardware issue.
So I have sent it to apple store and they confirmed the drive was dead, and changed it (at a cost).
Not sure if the software update or my actions caused the HD to fail... or if all started because of a hardware issue
Anyway painfull...
 

blackxacto

macrumors 6502a
Original poster
Jun 15, 2009
752
61
Middle TN
Yes, always painful when a drive dies. That's why I make two backups plus backups to iCloud. I have a feeling your drive caused the early issue, but now that you have a new drive, you might have to refuse the fusion drive once again. Hope not.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.