Firstly We Have To Draw This Type Of Diagram

Here Is The Full Coading Of Raid 1 How To Configure Or How To Delete Or How To Add

Step-1 Here Firstly We Have To Create The Partition In Hard Disk /dev/sda & /dev/sdb

fdisk -l
fdisk /dev/sda
n {for New Partition}
Select Partition 3
t
fd {For Raid Partition}
p {For Check Partition Is created Or Not}
w {For Save}
Partprobe /Dev/Sda {For Refresh}

fdisk -l
fdisk /dev/sdb
n {for New Partition}
Select Partition 1
t
fd {For Raid Partition}
p {For Check Partition Is created Or Not}
w {For Save}
Partprobe /Dev/Sdb {For Refresh}

Step-2 Here Is The Coading Of Configuration Raid- 1

mdadm –create/dev/md0 –level=1–raid-devices=2 /dev/sda3 /dev/sdb1

mdadm –detail /dev/md0

Step-3 For Fault

mdadm /dev/md0 –fail /dev/sdb1
mdadm –detail /dev/md0

Step-4 For Remove The Partition

mdadm /dev/md0 –remove /dev/sdb1
mdadm –detail /dev/md0

Step-5 For Add Partition

mdadm /dev/md0 –add /dev/sdb1
mdadm –detail /dev/md0

Step-6 Now How To Del Full Raid 1

mdadm –detail /dev/md0
mdadm –stop /dev/md0
mdadm –detail /dev/md0
mdadm –remove /dev/md0
mdadm –detail /dev/md0

Step -7 Now For Delete Partition

fdisk /dev/sdb
d {For Del The Partition}
Select Partition 1
p {For Check Partition Is Del Or Not}
w {For Save}
Partprobe /Dev/Sdb {For Refresh}

fdisk /dev/sda
d {For Del The Partition}
Select Partition 3
p {For Check Partition Is Del Or Not}
w {For Save}
Partprobe /Dev/Sda {For Refresh}

This Is How We Configure Or Delete Or Remove Or Add Partition In Raid 1 In Linux Rhel 4&5