Initially, 4 disks were combined on the server in soft-raid1, two of which were by mistake. They were removed from the array, marked as failed, after a separate array was created with them. As a result, we have an incorrect array

md0 : active raid1 sda1[0] sdb1[1] 33554304 blocks super 1.0 [4/2] [UU__]

and correct

 md4 : active raid1 sdc1[0] sdd1[1] 733878720 blocks super 1.2 [2/2] [UU] bitmap: 0/6 pages [0KB], 65536KB chunk

All anything, but grub has flown and when I boot I have an error 17.

In mdadm.conf I can’t deal with partitions by myself.

 DEVICE partitions MAILADDR root ARRAY /dev/md/0 metadata=1.0 UUID=e9eb0c37:0a36b4dd:3f0ce7df:e25da8b6 name=rescue:0 ARRAY /dev/md1 UUID=7469021b:d14f809d:776c2c25:004bd7b2 ARRAY /dev/md/2 metadata=1.0 UUID=befaa2bf:1d2a6e10:74fbf0a4:41d3a8c8 name=rescue:2 ARRAY /dev/md/3 metadata=1.0 UUID=65ff0dc8:457b4abc:3b9d893b:cfe2c44e name=rescue:3 ARRAY /dev/md1 metadata=0.90 UUID=7469021b:d14f809d:776c2c25:004bd7b2 ARRAY /dev/md/0 metadata=1.0 name=rescue:0 UUID=e9eb0c37:0a36b4dd:3f0ce7df:e25da8b6 ARRAY /dev/md/2 metadata=1.0 name=rescue:2 UUID=befaa2bf:1d2a6e10:74fbf0a4:41d3a8c8 ARRAY /dev/md/3 metadata=1.0 name=rescue:3 UUID=65ff0dc8:457b4abc:3b9d893b:cfe2c44e ARRAY /dev/md1 metadata=0.90 UUID=7469021b:d14f809d:776c2c25:004bd7b2 ARRAY /dev/md/0 metadata=1.0 name=rescue:0 UUID=e9eb0c37:0a36b4dd:3f0ce7df:e25da8b6 ARRAY /dev/md/2 metadata=1.0 name=rescue:2 UUID=befaa2bf:1d2a6e10:74fbf0a4:41d3a8c8 ARRAY /dev/md/3 metadata=1.0 name=rescue:3 UUID=65ff0dc8:457b4abc:3b9d893b:cfe2c44e ARRAY /dev/md4 metadata=1.2 name=myserv1:4 UUID=ea6f61b0:9d6b615d:11cb5917:0b5b7b4e ARRAY /dev/md5 metadata=1.2 name=myserv1:5 UUID=072dbff2:cf729938:439e86c3:c7a04981
  • Hike strings with metadata=1.2 superfluous. But better still google. I have nothing to check and play too. - don Rumata
  • Thanks, the question has been resolved by a complete reassembly of the raid - there was no important data, so they didn’t pull and figure it out. - Jurgen Semikoff

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