how to make mirror image of 1 hdd to 2 hdd
 

hi

i want to know how to mirror image of 1 hdd to 2 hdd

step by step


I HAVE TWO HDD

1 HDD SIZE 40 GB......... LINUX SERVER IS INSTALLED

2 HDD SIZE 40 GB.........NEW HDD WITHOUT PARTION

I WANT TO CREATE MIRROR IMAGE FROM 1 HDD TO 2 HDD

WHAT CAN I DO ... MENAS HOW I CREATE 2 HDD PARTION

( IF 1 HDD PARTION IS CREATED AUTOMATIC WHAT CAN I DO ?, OR IF 1

HDD PARTION IS CREATED MANUALY SO WHAT CAN I DO ?)

HOW I CREATE PARION OF 2 HDD

AND IF MIRROR IMAGE IS DONE FROM 1 HDD TO 2 HDD

IF I HDD COMPLITALY REMOVE FROM MACHINE SO IN THIS CONDITON

I WANT TO BOOT LINUX FROM 2 HDD ( MIRROR IMAGE IS CREATED)

WITHOUT ANY PROBLEM.. MACHINE IS PROPERLLY BOOT



THANKS IN ADVANCE

the only command I know for this is dd:

dd if=hda of=hdc <-where hda is primary master and hdc is secondary master

oh, and STOP SHOUTING!!