megactl is the first one is an opensource tool named megactl which can be used to report controller and disks status
megactl
a0 PERC 4/Di chan:2 ldrv:1 batt:good
a0d0 273GiB RAID 5 1×3 optimal
a0c0t0 136GiB a0d0 online
a0c0t1 136GiB a0d0 online
a0c0t2 136GiB a0d0 online
megaraid-status
— Arrays informations —
— ID | Type | Size | Status
a0d0 | RAID 5 | 273GiB | optimal
— Disks informations
— ID | Model | Status | Warnings
a0c0t0 | SEAGATE ST3146807LC 136GiB | online
a0c0t1 | SEAGATE ST3146807LC 136GiB | online
a0c0t2 | SEAGATE ST3146807LC 136GiB | online