Hello,
I had a linear array with 2 drives on it... I'm not exactly sure what I did that caused it to break, but it no longer mounts at all. I'm looking for a way to either repair it or recover the data. Here's what it looks like now:
Disk 1:
root@openmediavault:~# mdadm --examine /dev/vda
/dev/vda:
Magic : a92b4efc
Version : 1.2
Feature Map : 0x0
Array UUID : 89b4bdb7:47e966c7:bdf65f7c:0daab043
Name : openmediavault:JBOD (local to host openmediavault)
Creation Time : Sun Feb 16 12:30:43 2020
Raid Level : linear
Raid Devices : 2
Avail Dev Size : 15627788976 (7451.91 GiB 8001.43 GB)
Used Dev Size : 0
Data Offset : 264192 sectors
Super Offset : 8 sectors
Unused Space : before=264112 sectors, after=0 sectors
State : clean
Device UUID : c3018e8b:0475c41a:b3c05b7a:7fff9ebd
Update Time : Sun Feb 16 12:30:43 2020
Bad Block Log : 512 entries available at offset 8 sectors
Checksum : be74f84d - correct
Events : 0
Rounding : 0K
Device Role : Active device 0
Array State : AA ('A' == active, '.' == missing, 'R' == replacing)
Disk 2:
root@openmediavault:~# mdadm --examine /dev/vdb
mdadm: No md superblock detected on /dev/vdb.
root@openmediavault:~# cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : inactive vda[0](S)
7813894488 blocks super 1.2
unused devices: <none>
root@openmediavault:~# blkid
/dev/sr0: UUID="2019-08-16-07-08-11-00" LABEL="openmediavault 20190816-09:05" TYPE="iso9660" PTUUID="55882e75" PTTYPE="dos"
/dev/vda: UUID="89b4bdb7-47e9-66c7-bdf6-5f7c0daab043" UUID_SUB="c3018e8b-0475-c41a-b3c0-5b7a7fff9ebd" LABEL="openmediavault:JBOD" TYPE="linux_raid_member"
/dev/sda1: UUID="3f8fadd9-9fae-424e-97bd-c0fbe0eca50a" TYPE="ext4" PARTUUID="cc273775-01"
/dev/sda5: UUID="27c2afa3-023e-4adc-823f-9f6fda5b16f3" TYPE="swap" PARTUUID="cc273775-05"
root@openmediavault:~# fdisk -l | grep "Disk "
Disk /dev/vda: 7.3 TiB, 8001563222016 bytes, 15628053168 sectors
Disk /dev/vdb: 7.3 TiB, 8001563222016 bytes, 15628053168 sectors
Disk /dev/sda: 16 GiB, 17179869184 bytes, 33554432 sectors
Disk model: QEMU HARDDISK
Disk identifier: 0xcc273775
root@openmediavault:~# cat /etc/mdadm/mdadm.conf
cat: /etc/mdadm/mdadm.conf: No such file or directory
root@openmediavault:~# mdadm --detail --scan --verbose
INACTIVE-ARRAY /dev/md0 num-devices=1 metadata=1.2 name=openmediavault:JBOD UUID=89b4bdb7:47e966c7:bdf65f7c:0daab043
devices=/dev/vda
Anything I can do to fix this?
Thanks.