How do I check the status of my RAID array?

Solution Unverified - Updated -

Issue

  • How do I check the status of my RAID array? In Solaris, I used the metastat command, is there an equivalent command in Red Hat Enterprise Linux?
  • How to detect or determine raid level in Red Hat Enterprise Linux?
  • Is there a command which will detect hardware or software raid levels?
  • How can we indentify RAID5 and RAID10 luns which come from storage end.
  • Are there commands or utilities to find out the raid level of luns from the OS level?
  • How can I figure out the raid level my storage disks?

Environment

  • Red Hat Enterprise Linux 3 (RHEL 3)
  • Red Hat Enterprise Linux 4 (RHEL 4)
  • Red Hat Enterprise Linux 5 (RHEL 5)
  • Red Hat Enterprise Linux 6 (RHEL 6)
  • mdadm (software raid)
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