UnixServerAdmin

Server Administration & Management

How to Create Software RAID-1 Mirroring

# yum install mdadm

# fdisk /dev/sdb     (Create Software RAID Type)

# fdisk /dev/sdc     (Create Software RAID Type)

# mdadm –zero-superblock /dev/sdb /dev/sdc     (If device contains a valid md superblock, the block is overwritten with zeroes)

# mdadm –create /dev/md0 –level=1 –raid–devices=2 /dev/sdb1 /dev/sdc1     (Create RAID-1 using /dev/sdb1 & /dev/sdc1)

# mkfs.ext3 /dev/md0     (format /dev/md0 as ext3 file system)

# mkdir /raid1

# mount /dev/md0 /raid1

# df -hT

# vim /etc/fstab     (For automatically mount after reboot)

/dev/md0    /raid1    ext3    noatime,rw    0    0

# cat /proc/mdstat OR

# watch -n 2 cat /proc/mdstat (For RAID Status)

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December 30, 2013 - Posted by | RAID, Tips & Tricks, Unix/Linux | , , ,

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