Using virtual machine learning Linux, previously created raid10 after success, I know the raid information, and form a raid5, error,
[root @ 520 desktop] # LSBLK
The NAME MAJ: MIN RM SIZE RO TYPE MOUNTPOINT
Sda 8-0 0 0, 20 g disk
Sda1 8:1 0 500 m 0 part/boot
Sda2 0 19.5 G 0 part lo
Rhel_linuxprobe - swap 253:0 0 0 2 g LVM/swap
Rhel_linuxprobe - root 253:1 0 0 LVM/17.5 G
SDB he 0 0, 20 g disk
SDC now 0 0, 20 g disk
SDD 8:48 0 0, 20 g disk
Sde "4 0 0, 20 g disk
Sr0 11:0 1, 3.5 G 0 ROM/media/cdrom
[root @ 520 desktop] # for mdadm Cv/dev/md0 - n - 3-5 - x 1 l/dev/SDB/dev/SDC/dev/SDD/dev/sde
For mdadm: layout defaults to left - symmetric
For mdadm: layout defaults to left - symmetric
For mdadm: the chunk size defaults to 512 k
For mdadm: super1. X always open/dev/SDD: a Device or resource busy
For mdadm:/dev/SDD is not suitable for this array.
For mdadm: create aborted
[root @ 520 desktop] #

CodePudding user response:

Sda1 8:1 0 500 m 0 part/boot
Sda2 0 19.5 G 0 part lo
Rhel_linuxprobe - swap 253:0 0 0 2 g LVM/swap
Rhel_linuxprobe - root 253:1 0 0 LVM/17.5 G

Tip in front of the special characters, deleted, can I get published