NEC Express5800 Series Installation Manual page 62

Chapter 1 Installing Operating System
4. Specify the new partition /dev/sda6, /dev/sdi6, and create RAID1 device md4.
# mdadm -C /dev/md4 --metadata=1.1 --bitmap=internal --level=1 --raid-devices=2 /dev/sd[ai]6
(Enter 'y' against the message as shown below:)
mdadm: /dev/sda6 appears to be part of a raid array:
level=raid1 devices=2 ctime=Wed Jul
mdadm: /dev/sdi6 appears to be part of a raid array:
level=raid1 devices=2 ctime=Wed Jul
Continue creating array? y
mdadm: array /dev/md4 started.
5. Create a file system in RAID1 device md4.
# mkfs -t ext4 /dev/md4
6. On [1 List RAID Arrays] of ftdiskadm, check if the RAID1 device (md4) is created.
# ftdiskadm
Command action
1 List RAID Arrays
2 List Internal Disks
3 Make Mirroring Arrays
4 Repair Mirroring Arrays (RAID1)
5 Delete Mirroring Arrays (RAID1)
6 Remove Disk Partitions
7 Make Striping Array
8 Delete Striping Array
c Configurations
q Quit
Command: 1
[List RAID Arrays]
Name Partition
=================================================================
< Mirroring Array (RAID1)
md0 /boot
md1 /var/crash
md2 swap
md3 /
md4
7. Update /etc/mdadm.conf file.
# cp –a /etc/mdadm.conf /etc/mdadm.bak
# echo 'DEVICE partitions' > /etc/mdadm.conf
# mdadm --detail --scan -v | grep '^ARRAY' >> /etc/mdadm.conf
62
(RAID1)
(RAID1)
(RAID1+0)
(RAID1+0)
(Label)
>
( - )
( - )
( - )
( - )
( - )
Express5800/R320c-E4, R320c-M4 Installation Guide (Linux)
2. Setting up Red Hat Enterprise Linux 6 Server
2 16:47:38 2014
2 16:47:38 2014
Status Member
DUPLEX (1)sda1 (9)sdi1
DUPLEX (1)sda2 (9)sdi2
DUPLEX (1)sda3 (9)sdi3
DUPLEX (1)sda5 (9)sdi5
DUPLEX (1)sda6 (9)sdi6