How to configure the HP SMART ARRAY P420 RAID controller
Reviewed on 25 September 2023 • Published on 16 July 2021
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Log into your server using SSH.
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Run the following command to display the status of the RAID:
ssacli ctrl all show config
An output as the following example displays:
Smart Array P420 in Slot 1 (sn: PACCRID1XXXXXX)
array A (SATA, Unused Space: 0 MB)
logicaldrive 1 (1.8 TB, RAID 1, OK)
physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SATA, 2 TB, OK)
physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SATA, 2 TB, OK)
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Run the following commands to display the SMART values of the disks:
smartctl -a -d cciss,0 /dev/sg0
Then run:
smartctl -a -d cciss,1 /dev/sg0
Run the following command to check the battery state of an HP SMART ARRAY P420 RAID controller:
ssacli ctrl all show config detail
It resets the cache and battery of the controller:
Total Cache Size: 256 MB
Cache Backup Power Source: Batteries
Battery/Capacitor Count: 1
Battery/Capacitor Status: OK