How to detect or determine raid level in Red Hat Enterprise Linux?
Issue
- 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?
- Is there a way the raid layout can be viewed in the Red Hat Enterprise Linux operating system without having to boot into the server BIOS?
- Is there any command which give us the some information about hardware raid just like for software raid
mdadmcommand is there - Is it possible to monitor a hardware raid failure from RHEL so that an alert can be raised to system administration?
Environment
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- hardware raid controller, for example HP Smart Array
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