FS missing | new disk not listed under "physical" disk

    Hi,


    I bought a new disk and tried to "grow" first the raid, then the FS. It wasn't possible to grow the raid, the grow button was greyed out. After that I wiped the new disk which was listed under "physical disks" and did a reboot.


    Now there is one disk missing under "physical disks" and the raid is gone, FS status is "missing".


    Output of fdisk -l:



    Output of blkid:

    Code
    /dev/sdb: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sdc: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sdd1: UUID="259eae38-51f0-43fe-beba-142684aedba1" TYPE="ext4"
/dev/sdd5: UUID="38f8ae34-8985-4494-b3a7-2c1b81518133" TYPE="swap"
/dev/sda: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sde: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"


    Output of cat /proc/mdstat:

    Code
    Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : inactive sdc[0](S) sdb[4](S) sda[2](S) sde[1](S)
      11721062240 blocks super 1.2


unused devices: <none>


    Any ideas how to fix that and resize my raid afterwards (linear)?


    regards,


    MAiniak

    sda ,sdb, sdc and sde appers to be the same disk. have the same UUID


    this can't be.


    you need to un-plug new disk and first try to restore your RAID


    Do you have a backup of your config prior to this?


    PD: revise your BIOS Settings SATA MUST be in AHCI Mode to properly detect SATA Disk, perhaps you have your SATA ports configured as Emulated IDE or Legacy IDe or something simmilar?.

    Thanks for your reply!


    I unplugged every disk and tried to find out which one is the one that could'nt be found. Is the UUID maybe the RAID's UUID? Because now all 5 have the same UUID, but at least now I can see all of them.


    But my raid still isn't mounted, I tried to manually mount it with


    Code
    mdadm --run /dev/md0

    , says no such file or directory.


    Any suggestion how to activate md0 again?




    Code
    cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : inactive sdd[0](S) sda[4](S) sdb[3](S) sdc[2](S) sdf[1](S)
      14651327800 blocks super 1.2


unused devices: <none>


    Code
    /dev/sda: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sdb1: UUID="259eae38-51f0-43fe-beba-142684aedba1" TYPE="ext4"
/dev/sdb5: UUID="38f8ae34-8985-4494-b3a7-2c1b81518133" TYPE="swap"
/dev/sdc: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sdd: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sde: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"
/dev/sdf: UUID="406cc9c2-3525-0f15-9ad0-6d0d6b4bf29e" LABEL="JensNAS:0" TYPE="linux_raid_member"




    Thanks!

    YEAH, I solved this luckily by myself:


    After all disks were listed in fdisk again, I did this:



    Code
    mdadm --stop /dev/md0


    Code
    mdadm --assemble /dev/md0 /dev/sd[abcdf] --verbose --force


    Now everything is back online, I have 5 disks listed in blkid and fdisk which are named "JensNAS", but the space is the same like before (4disks).


    How can i grow my linear system? Is there a plugin? I just want to add some space to it.


    Thanks!

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