HPE: smart storage: hpssacli:

reference

https://cmdref.net/hardware/proliant/hpssacli.html
https://support.hpe.com/connect/s/softwaredetails?language=en_US&softwareId=MTX_9849e3ae326f43f2825d92dce0
https://community.hpe.com/hpeb/attachments/hpeb/itrc-264/148204/3/HP%20Smart%20Storage%20Administrator%20User%20Guide.pdf

command instance

#hpssacli “ctrl slot=0 show” | grep -i cache
Cache Serial Number: PBXXX
Wait for Cache Room: Disabled
Cache Board Present: True
Cache Status: OK
Cache Ratio: 25% Read / 75% Write
Drive Write Cache: Disabled
Total Cache Size: 512 MB
Total Cache Memory Available: 304 MB
No-Battery Write Cache: Disabled
Cache Backup Power Source: Capacitors
Cache Module Temperature ©: 0

#hpssacli “ctrl all show config”

Smart Array P220i in Slot 0 (Embedded) (sn: PCQVXXCRH4XXXX)

Internal Drive Cage at Port 1I, Box 1, OK
array A (SAS, Unused Space: 0 MB)

  logicaldrive 1 (558.9 GB, RAID 1, OK)

  physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SAS, 600 GB, OK)
  physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SAS, 600 GB, OK)

SEP (Vendor ID PMCSIERA, Model SRCv4x6G) 380 (WWID: 50014XX027755XXX)

#hpssacli ctrl all show detail

question

It shows that a cache module is not started, and there are some errors in power management, which lead to errors.

https://community.spiceworks.com/topic/2312772-hp-ml350gen9-lff-smart-array-p840-raid10-total-failure-out-of-the-blue
https://community.spiceworks.com/topic /928470-hp-support-issues
https://support.hpe.com/hpesc/public/docDisplay?docId=emr_na-a00004045de_de