One of my hard drives in a software RAID array with redundancy failed. What can I do?

Solution Verified - Updated -

Issue

  • My server has a RAID 1/4/5/6/10 array, and one of the underlying disks failed.
  • I have identified the offending disk and am ready to act on it.
  • What steps must I follow to bring my system back to a healthy state, with no data loss?

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • 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.