How do I convert my root disk to RAID1 after installations of Red Hat Enterprise Linux 4 or 5?

Solution Verified - Updated -

Issue

  • My installation is currently on a non-raided disk but it needs to be a RAID1 mirror
# mount -l | grep boot
/dev/sda1 on /boot type ext3 (rw) [/boot]
# lvs -o lv_name,vg_name,devices
  LV       VG         Devices       
  LogVol00 VolGroup00 /dev/sda2(0)  
  LogVol01 VolGroup00 /dev/sda2(284)

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Logical Volume Manager (LVM)
  • Software Raid (mdadm)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.