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Configure an HP Smart Array P420 RAID controller
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How to configure the HP SMART ARRAY P420 RAID controller

Reviewed on 25 September 2023Published on 16 July 2021
Requirements:

How to check the status of the RAID

  1. Log into your server using SSH.

  2. 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)
  3. 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

How to check the battery state of a P420 RAID controller with cache and battery

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
See Also