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  • Quote from ryecoaaron: “blkid shows it in the output ” /dev/md0: LABEL="Pool01" UUID="4aeafa8f-1563-44d4-93b1-83c73ae792aa" TYPE="ext4" Hell yes. Shows in filesystems, too. For now I'll leave it as is, but I wonder if it will survive a reboot?

  • growing the raid to 6 devices seems to be the trick to get rid of the extra spare: mdadm --grow /dev/md0 --raid-devices=6 do you think that by changing something like this in the raid configuration that OMV will be able to see it in the GUI? Once this process is done (800 minutes estimated) should I recreate the mdadm.conf? Thanks for your help so far, it's appreciated!

  • ah cool. Would I change 2 to 1 in the mdadm.conf or is there another preferred way to promote a drive?

  • Source Code (14 lines)Something I noticed last night was that maybe it has to do with the UUID being different? (it was, now that I've done the omv-mkconf mdadm it's the correct UUID) I'm not too sure of myself when it comes to the underlying RAID stuff (that's why I used OMV ) I thought RAID6 was supposed to have 2 spares? My thought process is that it can lose 2 drives?

  • Yes I tried that as it was a troubleshooting step already in this thread. It still does not show in OMV, or mount. Source Code (9 lines)I also ran the omv-mkconf mdadm command afterwards, as mentioned in the thread as well: root@omvserver:/# omv-mkconf mdadm update-initramfs: Generating /boot/initrd.img-4.16.0-0.bpo.2-amd64 W: Possible missing firmware /lib/firmware/isci/isci_firmware.bin for module isci update-initramfs: Generating /boot/initrd.img-4.9.0-0.bpo.6-amd64 W: Possible missing firmwa…

  • I'm having the same problem and have gone through the same troubleshooting steps and have come up empty handed as well: cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10] md0 : active (auto-read-only) raid6 sdh[3] sdf[1] sdg[2] sda[7](S) sde[5] sdb[6](S) sdi[4] 5860150272 blocks super 1.2 level 6, 512k chunk, algorithm 2 [5/5] [UUUUU] bitmap: 0/15 pages [0KB], 65536KB chunk unused devices: <none> I tried all the troubleshooting from above. I ca…