ProLiant Servers (ML,DL,SL)

P408i-a cache status

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P408i-a cache status


We have some DL380 GEN10 servers with P408i-a SR controller and the cache status is "not  configured":

HPE Smart Array P408i-a SR Gen10 in Slot 0 (Embedded)
Controller Status: OK
Cache Status: Not Configured
Battery/Capacitor Status: OK

In the Controller Manager the option to modify cache settings is not available

In the Diagnose the array accelerator is disabled and:


Battery count = 1

Battery status = 0x0001

Disable Flag = 0x01


HPE Smart Array P408i-a SR Gen10 in Slot 0 (Embedded)
Bus Interface: PCI
Slot: 0
Serial Number: confidential or sensitive information removed
RAID 6 (ADG) Status: Enabled
Controller Status: OK
Hardware Revision: B
Firmware Version: 1.99-0
Firmware Supports Online Firmware Activation: True
Driver Supports Online Firmware Activation: False
Rebuild Priority: High
Expand Priority: Medium
Surface Scan Delay: 3 secs
Surface Scan Mode: Idle
Parallel Surface Scan Supported: Yes
Current Parallel Surface Scan Count: 1
Max Parallel Surface Scan Count: 16
Queue Depth: Automatic
Monitor and Performance Delay: 60 min
Elevator Sort: Enabled
Degraded Performance Optimization: Disabled
Inconsistency Repair Policy: Disabled
Write Cache Bypass Threshold Size: 1040 KiB
Wait for Cache Room: Disabled
Surface Analysis Inconsistency Notification: Disabled
Post Prompt Timeout: 15 secs
Cache Board Present: True
Cache Status: Not Configured
Configured Drive Write Cache Policy: Disable
Unconfigured Drive Write Cache Policy: Default
Total Cache Size: 2.0
Total Cache Memory Available: 1.8
No-Battery Write Cache: Disabled
SSD Caching RAID5 WriteBack Enabled: True
SSD Caching Version: 2
Cache Backup Power Source: Batteries
Battery/Capacitor Count: 1
Battery/Capacitor Status: OK
SATA NCQ Supported: True
Spare Activation Mode: Activate on physical drive failure (default)
Controller Temperature (C): 57
Capacitor Temperature (C): 47
Number of Ports: 2 Internal only
Encryption: Not Set
Express Local Encryption: False
Driver Name: smartpqi
Driver Version: VMware
PCI Address (Domain:Bus:Device.Function): 0000:5C:00.0
Negotiated PCIe Data Rate: PCIe 3.0 x8 (7880 MB/s)
Controller Mode: Mixed
Port Max Phy Rate Limiting Supported: False
Latency Scheduler Setting: Disabled
Current Power Mode: MaxPerformance
Survival Mode: Enabled
Host Serial Number: confidential or sensitive information removed
Sanitize Erase Supported: True
Sanitize Lock: None
Sensor ID: 0
Location: Capacitor
Current Value (C): 47
Max Value Since Power On: 52
Sensor ID: 1
Location: ASIC
Current Value (C): 57
Max Value Since Power On: 62
Sensor ID: 2
Location: Unknown
Current Value (C): 51
Max Value Since Power On: 56
Primary Boot Volume: None
Secondary Boot Volume: None


Re: P408i-a cache status


It is not sure if the SSDs are attached to the controller. If yes, then the smart path for SSD would have enabled.

HPE SSD Smart Path is enabled by default when you create an array using SSD drives, hence the controller cache configuration is not available.
In case customer wish to configure the Smart array cache then we need to disable the Smart path from the SSA.

1. Open HPE SSA.
For more information, see "Using the HPE SSA GUI."
2. Open the Configure panel by doing one of the following:
• Choose a device and click Configure in the quick navigation menu.
• Select an available device from the Home screen, and then click Configure under the available
3. Select a controller from the Devices menu.
The Actions panel appears.
4. Under Configure>Logical Devices, choose the array with logical drives.
5. Click Disable HPE SSD Smart Path.
6. Click Save.



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