raid 5 size grow

  • Hello mates!


    i may have missed something but i need help


    I had a raid 5 made from 4 different disks : a 3TB wd red and 3 2 TB wd enterprise HDD.
    Since it was made from different kind of disk i wanted to get back to something clean by getting all my disks to be WD reds to get four 3TB wd red raid 5 and grow my raid to 9 TB.


    What i did is:
    Degrade the raid by replacing one of the "old " disk with a new 3 TB.
    Recover the raid --> reproduce till i've changed all disk.


    I expected this to grow my raid from 4x2 to 4x3 raid 5 ( 6 to 9 TO) but it did not grow :-/


    I can see the array size is still the old one but how can grow it?
    what have i missed?


    Thanks in advance for your help!


    Find attached some infos about the raid:


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