
Cheat sheet
mdadm cheat sheet
Linux software RAID with mdadm: create arrays, read /proc/mdstat, replace a failed disk, grow or change level, assemble after problems, and set up monitoring.
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Cheat sheet
Linux software RAID with mdadm: create arrays, read /proc/mdstat, replace a failed disk, grow or change level, assemble after problems, and set up monitoring.

Cheat sheet
Software RAID with mdadm and the hardware RAID CLIs (storcli, perccli, ssacli): create arrays, check health, replace a failed disk, rebuild and monitor.