RAID1 broken following Power Outage

[mrmarkuz (Markus Neuberger)]

@Jimbo

the server is fully backed up daily to an external 1T USB drive

That’s the most important thing.

I found this about the busy device:

mdadm: Cannot open /dev/sda1: Device or resource busy – The Geek Diary

More threads:

Mdadm raid 1 lost

Here the fdisk -l output # fdisk -l Disco /dev/sda: 1000.2 GB, 1000204886016 byte 255 testine, 63 settori/tracce, 121601 cilindri Unità = cilindri di 16065 * 512 = 8225280 byte Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Identificativo disco: 0x0001a7f3 Dispositivo Boot Start End Blocks Id System /dev/sda1 * 1 66 524288 fd Autorilevamento raid di Linux La partizione 1 non termina …

Software RAID status - critical

Good morning, today I saw such a message Disks are dying? Is the problem with RAID? A today, a little later I can do S.M.A.R.T. Do you have any suggestions? [zz] Thanks, p.