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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 back into fusion drive without need to reformat drives?

UPD

sudo gpt -r show disk0
Password:
      start       size  index  contents
          0          1         PMBR
          1          1         Pri GPT header
          2         32         Pri GPT table
         34          6         
         40     409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
     409640  235298960      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
  235708600    1269536      3  GPT part - 426F6F74-0000-11AA-AA11-00306543ECAC
  236978136          7         
  236978143         32         Sec GPT table
  236978175          1         Sec GPT header

sudo gpt -r show disk1
       start        size  index  contents
           0           1         PMBR
           1           1         Pri GPT header
           2          32         Pri GPT table
          34           6         
          40      409600      1  GPT part - C12A7328-F81F-11D2-BA4B-00A0C93EC93B
      409640  1951845952      2  GPT part - 48465300-0000-11AA-AA11-00306543ECAC
  1952255592     1269543         
  1953525135          32         Sec GPT table
  1953525167           1         Sec GPT header
  • 1
    Not a task I'd even consider attempting without a solid backup in place first. – Tetsujin Mar 12 '17 at 12:29
  • Please add the output of sudo gpt -r show disk0 and sudo gpt -r show disk1 entered in Terminal to your question. Don't post it as comment! – klanomath Mar 12 '17 at 13:22
  • @klanomath updated my question – Avdept Mar 13 '17 at 8:01

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