RAID 5 extend Storage from 3X3TB to 4X3TB

    Hello,


    I wanted to know if there is a guide that can explain how to safely add additional drive to an Existing RAID5 array?
    I need to add additional 3TB drive and my Linux skills are still not that great.


    Thank you

    hi danieliod,


    shutdown your NAS/OMV.
    plug your new HDD
    start
    wait for OMV started.
    go to OMV web gui
    go to physical disks to see your new hdd.
    then go to Raid Managment and add this new HDD.


    you can connect to OMV by SSH and see what is the Raid Status with this command (ssh) :

    Code
    mdadm --detail /dev/md*


    You can grow the Volume with Button Grow and with this command (ssh) :



    Code
    mdadm --grow /dev/md0 --size=max


    In your filesystems menu, you have Resize button.



    I think, this is the right order, but i would prefer that moderator confirms my sequence.



    i recently did what you do, or almost that, by changing 4x2TB to 4x4TB after get out one drive by one drive. On OMV 2.x. i don't know OMV 0.2.

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