Hi I swapped out one drive with bad sectors with a new drive and my raid disappear on me. Also to mention I did this with the system running. Really wasn't thinking if OMV was hot swap capable. I'm running raid 6 also not too great with linux. Just tell me what to do and I'll try my best. Thanks
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root@openmediavault:~# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md127 : inactive sda[0](S) sdg[6](S) sdf[5](S) sdd[3](S) sdc[2](S) sdb[1](S)
3906278928 blocks super 1.2
unused devices: <none>
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root@openmediavault:~# fdisk -l | grep "Disk "
Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk /dev/sdb: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk /dev/sdc: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Disk /dev/sdd: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Disk /dev/sde: 55.9 GiB, 60011642880 bytes, 117210240 sectors
Disk identifier: 0xcfcbefca
Disk /dev/sdf: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk /dev/sdg: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk /dev/sdh: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk identifier: 0xff293242
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root@openmediavault:~# cat /etc/mdadm/mdadm.conf
# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#
# by default, scan all partitions (/proc/partitions) for MD superblocks.
# alternatively, specify devices to scan, using wildcards if desired.
# Note, if no DEVICE line is present, then "DEVICE partitions" is assumed.
# To avoid the auto-assembly of RAID devices a pattern that CAN'T match is
# used if no RAID devices are configured.
DEVICE partitions
# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes
# automatically tag new arrays as belonging to the local system
HOMEHOST <system>
# definitions of existing MD arrays
ARRAY /dev/md/RAID6 metadata=1.2 spares=1 name=openmediavault:RAID6 UUID=c2f3b6d0:5a59cb17:f723f081:0d8912cf
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root@openmediavault:~# mdadm --detail --scan --verbose
INACTIVE-ARRAY /dev/md127 num-devices=6 metadata=1.2 name=openmediavault:RAID6 UUID=c2f3b6d0:5a59cb17:f723f081:0d8912cf
devices=/dev/sda,/dev/sdb,/dev/sdc,/dev/sdd,/dev/sdf,/dev/sdg
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root@openmediavault:~# blkid
/dev/sda: UUID="c2f3b6d0-5a59-cb17-f723-f0810d8912cf" UUID_SUB="7f50d1a2-6985-71cd-cef1-8024ec9ecfd9" LABEL="openmediavault:RAID6" TYPE="linux_raid_member"
/dev/sdb: UUID="c2f3b6d0-5a59-cb17-f723-f0810d8912cf" UUID_SUB="5a159584-febb-8d68-2620-0c102e2417e7" LABEL="openmediavault:RAID6" TYPE="linux_raid_member"
/dev/sdc: UUID="c2f3b6d0-5a59-cb17-f723-f0810d8912cf" UUID_SUB="764cfc90-2657-522b-a94f-18af81b89121" LABEL="openmediavault:RAID6" TYPE="linux_raid_member"
/dev/sdd: UUID="c2f3b6d0-5a59-cb17-f723-f0810d8912cf" UUID_SUB="65131d59-791f-dcf4-0bd2-6b05fbff4df3" LABEL="openmediavault:RAID6" TYPE="linux_raid_member"
/dev/sde1: UUID="51ec3da2-1282-4425-96e4-f70fcc9e6851" TYPE="ext4" PARTUUID="cfcbefca-01"
/dev/sde5: UUID="87b77a0f-cdec-4d68-84aa-78b54d8589a0" TYPE="swap" PARTUUID="cfcbefca-05"
/dev/sdf: UUID="c2f3b6d0-5a59-cb17-f723-f0810d8912cf" UUID_SUB="e4e8a25d-c05d-3f60-94db-e579d67c060a" LABEL="openmediavault:RAID6" TYPE="linux_raid_member"
/dev/sdg: UUID="c2f3b6d0-5a59-cb17-f723-f0810d8912cf" UUID_SUB="294cdbdd-0071-447a-d441-ea363b27031c" LABEL="openmediavault:RAID6" TYPE="linux_raid_member"
/dev/sdh: PTUUID="ff293242" PTTYPE="dos"