I'm using the Dell Perc h710 (LSI controller) as my raid card on my Dell Optiplex 5050 MT (used as a home lab server, mostly idle) to manage a raid1 array made of 2 IronWolf Pro 10TB and a 512mb SSD as a cache. The purpose of this is to reduce the power consumption of the raid array by spinning down the HDD when they're not in use.

The software I'm using to control the raid card is MegaRaid Cli. After enabling and setting up CacheCade + setting up a spindown time after 30 min of inactivity I can't see the HDD going "Idle" according to my socket power meter. After reading the documentation, I'm still not sure how to spindown the HDD as the settings are already in place.

Raid card details :

- Product Name: PERC H710 Adapter
- Serial No : 52F00ZD
- FW Package Build: 21.3.4-0001

Raid software details:

- MegaCLI SAS RAID Management Tool Ver 8.07.14 Dec 16, 2013

Adapter settings:

Adapter #0

==============================================================================
                    Versions
                ================
Product Name    : PERC H710 Adapter
Serial No       : 52F00ZD
FW Package Build: 21.3.4-0001

                    Mfg. Data
                ================
Mfg. Date       : 02/17/15
Rework Date     : 02/17/15
Revision No     : A08
Battery FRU     : N/A

                Image Versions in Flash:
                ================
BIOS Version       : 5.42.00.1_4.12.05.00_0x05290003
Ctrl-R Version     : 4.04-0003
Preboot CLI Version: 05.00-03:#%00008
FW Version         : 3.131.05-8147
NVDATA Version     : 2.1108.03-0097
Boot Block Version : 2.03.00.00-0004
BOOT Version       : 06.253.57.219

                Pending Images in Flash
                ================
None

                PCI Info
                ================
Controller Id   : 0000
Vendor Id       : 1000
Device Id       : 005b
SubVendorId     : 1028
SubDeviceId     : 1f35

Host Interface  : PCIE

ChipRevision    : D1

Link Speed           : 2
Number of Frontend Port: 0
Device Interface  : PCIE

Number of Backend Port: 8
Port  :  Address
0        4433221106000000
1        4433221105000000
2        4433221104000000
3        0000000000000000
4        0000000000000000
5        0000000000000000
6        0000000000000000
7        0000000000000000

                HW Configuration
                ================
SAS Address      : 544a84201b76e100
BBU              : Present
Alarm            : Absent
NVRAM            : Present
Serial Debugger  : Present
Memory           : Present
Flash            : Present
Memory Size      : 512MB
TPM              : Absent
On board Expander: Absent
Upgrade Key      : Absent
Temperature sensor for ROC    : Present
Temperature sensor for controller    : Present

ROC temperature : 42  degree Celsius
Controller temperature : 42  degree Celcius

                Settings
                ================
Current Time                     : Not Set
Predictive Fail Poll Interval    : 300sec
Interrupt Throttle Active Count  : 16
Interrupt Throttle Completion    : 50us
Rebuild Rate                     : 30%
PR Rate                          : 30%
BGI Rate                         : 100%
Check Consistency Rate           : 30%
Reconstruction Rate              : 30%
Cache Flush Interval             : 4s
Max Drives to Spinup at One Time : 4
Delay Among Spinup Groups        : 12s
Physical Drive Coercion Mode     : 128MB
Cluster Mode                     : Disabled
Alarm                            : Disabled
Auto Rebuild                     : Enabled
Battery Warning                  : Enabled
Ecc Bucket Size                  : 255
Ecc Bucket Leak Rate             : 240 Minutes
Restore HotSpare on Insertion    : Disabled
Expose Enclosure Devices         : Disabled
Maintain PD Fail History         : Disabled
Host Request Reordering          : Enabled
Auto Detect BackPlane Enabled    : SGPIO/i2c SEP
Load Balance Mode                : Auto
Use FDE Only                     : Yes
Security Key Assigned            : No
Security Key Failed              : No
Security Key Not Backedup        : No
Default LD PowerSave Policy      : Controller Defined
Maximum number of direct attached drives to spin up in 1 min : 20
Auto Enhanced Import             : No
Any Offline VD Cache Preserved   : No
Allow Boot with Preserved Cache  : No
Disable Online Controller Reset  : No
PFK in NVRAM                     : No
Use disk activity for locate     : No
POST delay                       : 90 seconds
BIOS Error Handling              : Stop On Errors
Current Boot Mode                 :Normal
                Capabilities
                ================
RAID Level Supported             : RAID0, RAID1, RAID5, RAID6, RAID00, RAID10, RAID50, RAID60, PRL 11, PRL 11 with spanning, PRL11-RLQ0 DDF layout with no span, PRL11-RLQ0 DDF layout with span
Supported Drives                 : SAS, SATA

Allowed Mixing:

Mix in Enclosure Allowed

                Status
                ================
ECC Bucket Count                 : 0

                Limitations
                ================
Max Arms Per VD          : 32
Max Spans Per VD         : 8
Max Arrays               : 128
Max Number of VDs        : 64
Max Parallel Commands    : 1008
Max SGE Count            : 60
Max Data Transfer Size   : 8192 sectors
Max Strips PerIO         : 42
Max LD per array         : 16
Min Strip Size           : 64 KB
Max Strip Size           : 1.0 MB
Max Configurable CacheCade Size: 512 GB
Current Size of CacheCade      : 476 GB
Current Size of FW Cache       : 382 MB

                Device Present
                ================
Virtual Drives    : 2
  Degraded        : 0
  Offline         : 0
Physical Devices  : 3
  Disks           : 3
  Critical Disks  : 0
  Failed Disks    : 0

                Supported Adapter Operations
                ================
Rebuild Rate                    : Yes
CC Rate                         : Yes
BGI Rate                        : Yes
Reconstruct Rate                : Yes
Patrol Read Rate                : Yes
Alarm Control                   : Yes
Cluster Support                 : No
BBU                             : No
Spanning                        : Yes
Dedicated Hot Spare             : Yes
Revertible Hot Spares           : Yes
Foreign Config Import           : Yes
Self Diagnostic                 : Yes
Allow Mixed Redundancy on Array : No
Global Hot Spares               : Yes
Deny SCSI Passthrough           : No
Deny SMP Passthrough            : No
Deny STP Passthrough            : No
Support Security                : Yes
Snapshot Enabled                : No
Support the OCE without adding drives : Yes
Support PFK                     : No
Support PI                      : No
Support Boot Time PFK Change    : No
Disable Online PFK Change       : No
Support Shield State            : No
Block SSD Write Disk Cache Change: No

                Supported VD Operations
                ================
Read Policy          : Yes
Write Policy         : Yes
IO Policy            : Yes
Access Policy        : Yes
Disk Cache Policy    : Yes
Reconstruction       : Yes
Deny Locate          : No
Deny CC              : No
Allow Ctrl Encryption: No
Enable LDBBM         : Yes
Support Breakmirror  : Yes
Power Savings        : Yes

                Supported PD Operations
                ================
Force Online                            : Yes
Force Offline                           : Yes
Force Rebuild                           : Yes
Deny Force Failed                       : No
Deny Force Good/Bad                     : No
Deny Missing Replace                    : No
Deny Clear                              : No
Deny Locate                             : No
Support Temperature                     : Yes
NCQ                                     : No
Disable Copyback                        : No
Enable JBOD                             : No
Enable Copyback on SMART                : No
Enable Copyback to SSD on SMART Error   : No
Enable SSD Patrol Read                  : No
PR Correct Unconfigured Areas           : Yes
Enable Spin Down of UnConfigured Drives : Yes
Disable Spin Down of hot spares         : Yes
Spin Down time                          : 30
T10 Power State                         : Yes
                Error Counters
                ================
Memory Correctable Errors   : 0
Memory Uncorrectable Errors : 0

                Cluster Information
                ================
Cluster Permitted     : No
Cluster Active        : No

                Default Settings
                ================
Phy Polarity                     : 0
Phy PolaritySplit                : 0
Background Rate                  : 30
Strip Size                       : 64kB
Flush Time                       : 4 seconds
Write Policy                     : WB
Read Policy                      : Adaptive
Cache When BBU Bad               : Disabled
Cached IO                        : No
SMART Mode                       : Mode 6
Alarm Disable                    : No
Coercion Mode                    : 128MB
ZCR Config                       : Unknown
Dirty LED Shows Drive Activity   : No
BIOS Continue on Error           : 0
Spin Down Mode                   : None
Allowed Device Type              : SAS/SATA Mix
Allow Mix in Enclosure           : Yes
Allow HDD SAS/SATA Mix in VD     : No
Allow SSD SAS/SATA Mix in VD     : No
Allow HDD/SSD Mix in VD          : No
Allow SATA in Cluster            : No
Max Chained Enclosures           : 4
Disable Ctrl-R                   : No
Enable Web BIOS                  : No
Direct PD Mapping                : Yes
BIOS Enumerate VDs               : Yes
Restore Hot Spare on Insertion   : No
Expose Enclosure Devices         : No
Maintain PD Fail History         : No
Disable Puncturing               : No
Zero Based Enclosure Enumeration : Yes
PreBoot CLI Enabled              : No
LED Show Drive Activity          : Yes
Cluster Disable                  : Yes
SAS Disable                      : No
Auto Detect BackPlane Enable     : SGPIO/i2c SEP
Use FDE Only                     : Yes
Enable Led Header                : No
Delay during POST                : 0
EnableCrashDump                  : No
Disable Online Controller Reset  : No
EnableLDBBM                      : Yes
Un-Certified Hard Disk Drives    : Allow
Treat Single span R1E as R10     : Yes
Max LD per array                 : 16
Power Saving option              : Don't spin down unconfigured drives
Don't spin down Hot spares
Don't Auto spin down Configured Drives
Power settings apply to all drives - individual PD/LD power settings cannot be set
Max power savings option is  not allowed for LDs. Only T10 power conditions are to be used.
Cached writes are not used for spun down VDs
Can schedule disable power savings at controller level
Default spin down time in minutes: 30
Enable JBOD                      : No
TTY Log In Flash                 : Yes
Auto Enhanced Import             : No
BreakMirror RAID Support         : Yes
Disable Join Mirror              : Yes
Enable Shield State              : No
Time taken to detect CME         : 60s

HDD / SSD Settings:



Adapter #0

Enclosure Device ID: N/A
Slot Number: 1
Drive's position: DiskGroup: 1, Span: 0, Arm: 0
Enclosure position: N/A
Device Id: 1
WWN: 5002538e40dcd9cd
Sequence Number: 2
Media Error Count: 0
Other Error Count: 1158
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
PD Type: SATA

Raw Size: 476.939 GB [0x3b9e12b0 Sectors]
Non Coerced Size: 476.439 GB [0x3b8e12b0 Sectors]
Coerced Size: 476.375 GB [0x3b8c0000 Sectors]
Sector Size:  0
Firmware state: Online, Spun Up
Device Firmware Level: 1B6Q
Shield Counter: 0
Successful diagnostics completion on :  N/A
SAS Address(0): 0x4433221106000000
Connected Port Number: 0(path0)
Inquiry Data: S45HNF0M304917M     Samsung SSD 860 PRO 512GB               RVM01B                                                    6Q
FDE Capable: Capable
FDE Enable: Disable
Secured: Unsecured
Locked: Unlocked
Needs EKM Attention: No
Foreign State: None
Device Speed: 6.0Gb/s
Link Speed: 6.0Gb/s
Media Type: Solid State Device
Drive:  Not Certified
Drive Temperature :25C (77.00 F)
PI Eligibility:  No
Drive is formatted for PI information:  No
PI: No PI
Drive's NCQ setting : N/A
Port-0 :
Port status: Active
Port's Linkspeed: 6.0Gb/s
Drive has flagged a S.M.A.R.T alert : No



Enclosure Device ID: N/A
Slot Number: 2
Drive's position: DiskGroup: 0, Span: 0, Arm: 0
Enclosure position: N/A
Device Id: 2
WWN: 5000c500b30b5ea2
Sequence Number: 2
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
PD Type: SATA

Raw Size: 9.095 TB [0x48c400000 Sectors]
Non Coerced Size: 9.094 TB [0x48c300000 Sectors]
Coerced Size: 9.094 TB [0x48c300000 Sectors]
Sector Size:  0
Firmware state: Online, Spun Up
Device Firmware Level: SBBA
Shield Counter: 0
Successful diagnostics completion on :  N/A
SAS Address(0): 0x4433221105000000
Connected Port Number: 1(path0)
Inquiry Data:             ZS51EVKCST10000NE0008-1ZF101                    SBBA                                                      
FDE Capable: Not Capable
FDE Enable: Disable
Secured: Unsecured
Locked: Unlocked
Needs EKM Attention: No
Foreign State: None
Device Speed: 6.0Gb/s
Link Speed: 6.0Gb/s
Media Type: Hard Disk Device
Drive:  Not Certified
Drive Temperature :32C (89.60 F)
PI Eligibility:  No
Drive is formatted for PI information:  No
PI: No PI
Drive's NCQ setting : N/A
Port-0 :
Port status: Active
Port's Linkspeed: 6.0Gb/s
Drive has flagged a S.M.A.R.T alert : No



Enclosure Device ID: N/A
Slot Number: 3
Drive's position: DiskGroup: 0, Span: 0, Arm: 1
Enclosure position: N/A
Device Id: 3
WWN: 5000c500f1522e02
Sequence Number: 2
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
PD Type: SATA

Raw Size: 9.095 TB [0x48c400000 Sectors]
Non Coerced Size: 9.094 TB [0x48c300000 Sectors]
Coerced Size: 9.094 TB [0x48c300000 Sectors]
Sector Size:  0
Firmware state: Online, Spun Up
Device Firmware Level: EN01
Shield Counter: 0
Successful diagnostics completion on :  N/A
SAS Address(0): 0x4433221104000000
Connected Port Number: 2(path0)
Inquiry Data:             WP00C2AMST10000NE000-3AP101                     EN01                                                      
FDE Capable: Not Capable
FDE Enable: Disable
Secured: Unsecured
Locked: Unlocked
Needs EKM Attention: No
Foreign State: None
Device Speed: 6.0Gb/s
Link Speed: 6.0Gb/s
Media Type: Hard Disk Device
Drive:  Not Certified
Drive Temperature :37C (98.60 F)
PI Eligibility:  No
Drive is formatted for PI information:  No
PI: No PI
Drive's NCQ setting : N/A
Port-0 :
Port status: Active
Port's Linkspeed: 6.0Gb/s
Drive has flagged a S.M.A.R.T alert : No

It there anything that I've missed?

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