Re: Broken softraid0

On Wed, Sep 07, 2022 at 06:42:54PM +0200, Danny König wrote:
> Hi,
>
> first time I need your support regarding a broken softraid0. After a
> normal reboot the softraid0 (RAID 1, two disks sd0 and sd1, softraid0
> as sd5) was broken what means no mounts, no nothing.
>
>
> root@core-fs:~ => disklabel -p g /dev/sd0c
> # /dev/sd0c:
> type: SCSI
> disk: SCSI disk
> label: ST16000NM003G-2K
> duid: b1c256d6dc122fa7
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 255
> sectors/cylinder: 16065
> cylinders: 1945332
> total sectors: 31251759104 # total bytes: 14902.0G
> boundstart: 0
> boundend: 31251759104
> drivedata: 0
> 16 partitions:
> # size offset fstype [fsize bsize cpg]
> a: 14902.0G 0 RAID
> c: 14902.0G 0 unused
>
>
>
> root@core-fs:~ => disklabel -p g /dev/sd1c
> # /dev/sd1c:
> type: SCSI
> disk: SCSI disk
> label: ST16000NM003G-2K
> duid: acedcb2d1684fb18
> flags:
> bytes/sector: 512
> sectors/track: 63
> tracks/cylinder: 255
> sectors/cylinder: 16065
> cylinders: 1945332
> total sectors: 31251759104 # total bytes: 14902.0G
> boundstart: 0
> boundend: 31251759104
> drivedata: 0
> 16 partitions:
> # size offset fstype [fsize bsize cpg]
> a: 14902.0G 0 RAID
> c: 14902.0G 0 unused
>
>
>
> root@core-fs:~ => disklabel -p g /dev/sd5c
> # /dev/sd5c:
> type: SCSI
> disk: SCSI disk
> label: SR RAID 1
> duid: 0000000000000000
> flags:
> bytes/sector: 512
> sectors/track: 255
> tracks/cylinder: 511
> sectors/cylinder: 130305
> cylinders: 239835
> total sectors: 31251758576 # total bytes: 14902.0G
> boundstart: 0
> boundend: 31251758576
> drivedata: 0
>
> 16 partitions:
> # size offset fstype [fsize bsize cpg]
> c: 14902.0G 0 unused
>
>
>
>
> root@core-fs:~ => bioctl softraid0
> Volume Status Size Device
> softraid0 0 Online 16000900390912 sd5 RAID1
> 0 Online 16000900390912 0:0.0 noencl <sd0a>
> 1 Online 16000900390912 0:1.0 noencl <sd1a>
>
>
>
> Thats what we got, but no mounts are possible.
>
> Any ideas how to become the data back available?
>
> Thank you very much.
>
> Regards,
> Danny
>

sd5's disklabel looks pretty empty (duid included), but you already know
that...
Do you have a backup disklabel, e.g., in /var/backups?

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