Fusion drive not bootable or mountable, although first aid shows fine

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  Hello everyone

  I think I'm in trouble here...

  After I did a clean install of 10.11 two weeks ago, my Mac Pro 3.1 (2008) began to take a long time to boot up to the desktop. The actual load of the operating system (with the progress bar) is fast, but it takes a while (minutes) to enter my password until the computer is accessible at the level of the office. I have almost nothing the autostart value in Sys Prefs users.

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  After the replacement of my optical drive with an SSD, I booted the laptop and checked the disk - it showed up as a normal external drive. I then, in accordance with the guide to formatting a drive of Fusion (combined capacity of the two HDD and SSD), found here, booted the laptop into recovery mode at the entrance to the commands in the terminal. the commands I entered were the following sequence

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  What can I do to cancel my fusion drive and try to start over again?

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  I don't know about you, but I thought that the HARD disk must be placed in the Bay of optics and the SSD drive in the HARD drive Bay where the original HARD drive is.

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• Satellite X 205-S9349 - second HDD are not bootable

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  How did you choose which OS should start?
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  How it worked on your laptop?

• Fusion drive vs 7200 RPM HARD drive, it is worth the difference in price?

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• Restore factory for 3 TB Fusion Drive settings

  I should just come here first, Apple phone support has been no help at all, took two officers to just make me an appointment at the Apple Store for tomorrow.  I'm sure they were also just guess what to do.

  I decided to format and restore my iMac with screen Retina 5 k, there is a merger of 3 TB drive.  I would just restore the drive to merge its factory settings which seems just a partition that includes the SSD & HDD together... I think that RAIDed... I'm not really sure, I've been googling and I am even more confused now.  I'm having the hardest time and whenever I try to delete a partition or delete something that I feel like I'm making it worse, which is why I called Apple, but they were not useful.

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  Is there maybe a terminal command to restore the unity of fusion to its original state so I can install El Capitan again?

  I've attached a picture of disk utility where I left with telephone support from Apple.

  

  N ° the SSD & HDD are not searched in a merger player. They linked together in a logical volume so that the data can be promoted and demoted to maintain the data that you use on the SSD and the data that you do not use the HARD disk. Giving you the SSD performance but a hard disk storage space.

  You will find indications to recreate your Fusion drive to the http://blog.macsales.com/15617-creating-your-own-fusion-drive

  I hope that you have a backup because only when you have completed this procedure the Fusion drive will be empty.

• Error retrieving Tecra A6 (hard drive not found. Error: F3E1000001)

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• Fusion drive: restore from Time Machine - "the disc cannot be erased."

  Hello

  On a new iMac (end of 2015), I need to wipe my drive of Fusion of 3 TB (El Capitan, unencrypted, just 1 partition, no Boot Camp partition) and then restore a backup Time Machine (made on a previous iMac, also with disc Fusion of 3 TB (El Capitan, unencrypted, just 1 partition, no Boot Camp partition).

  According to the document from Apple: https://support.apple.com/en-us/HT204904 'restore from a Time Machine backup' I...

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  5 selected "Macintosh HD" as a destination and click "continue".

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  Then I tried to erase 'Macintosh HD' via disk utility:

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  I lost 3 days now with this problem. I really hope someone has a solution.

  Thank you very much!

  Apple did not provide an easy way to recover from this condition. If you are not able to carry out these instructions, please someone more experienced to help you get. One option is to take an appointment 'Genius' on an Apple Store.

  Starts the Internet recovery mode by pressing the key combination command-option-R to start ringing. Release the keys when you see a spinning globe.

  Note: You need an Ethernet or Wi - Fi connection permanent Internet to use recovery. It will not work with modems USB or PPPoE, proxy servers or networks that require a certificate for authentication.

  In the OS X Utilities screen, select

  Utilities ▹ Terminal

  in the menu bar at the top of the screen, not one of the items in the OS X Utilities window.

  Follow the steps in this thread to ASC to split the fuser unit. The long string of letters, numbers and dashes you will need to enter will be different in your case. Copy and paste into the command in the Terminal window.

  This will remove all data from the fuser unit, then you had better be sure of your backups.

  Quit the Terminal, and then repair the Fusion drive (see "Troubleshooting" on the linked page.)

  Quit disk utility. Then you should be able to install OS X and restore your data from a backup in the main screen.

• a fusion drive is good for audio recording?

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• Hard drive not detected 50% of the time to start up

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  This does not happen when I plug my old (SSD by default).

  What could go wrong on the new hard drive and I can barely turn the question?

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  What are the contents of the disc in hand and Optibay Bay?

• fusion drive

  I just start up my iMac 27 "that I received in August 2016. I ordered a Fusion 1 TB drive. What is the profile of what it says. How will I know that's what I ordered? Somehow this iMac has no help.

  

  Go to Apple > about my Mac > system report > navigate the material, then click SATA. A regular reader will have an entry as well as the size shown below; a fusion player lists an SSD and a normal HARD drive. Mine has a HHD & SSD, but they have not been defined as a fusion drive:

  

  Then you should see a 1 TB HHD and then a 24 GB SSD hard drive (maybe 128)