Am 14.05.19 um 17:48 schrieb Eric Valette: > I have a dedicated hardware nas that runs a self maintained debian 10. > > before the hardware disk problem (before/after) > > sda : system disk OK/OK no raid > sdb : first disk of the raid10 array OK/OK > sdc : second disk of the raid10 array OK/OK > sdd : third disk of the raid10 array OK/KO > sde : fourth disk of the raid10 array OK/OK but is now sdd > sdf : spare disk for the array is now sde > > After the failure the BIOS does not detect the original third disk. Disk > are renamed and I think sde has become sdd and sdf -> sde how does that matter on any proper setup? *never* use /dev/xyz anywhere [root@srv-rhsoft:~]$ cat /etc/mdadm.conf MAILADDR root HOMEHOST localhost.localdomain AUTO +imsm +1.x -all ARRAY /dev/md0 level=raid1 num-devices=4 UUID=1d691642:baed26df:1d197496:4fb00ff8 ARRAY /dev/md1 level=raid10 num-devices=4 UUID=b7475879:c95d9a47:c5043c02:0c5ae720 ARRAY /dev/md2 level=raid10 num-devices=4 UUID=ea253255:cb915401:f32794ad:ce0fe396
