HPE ProLiant User Manual page 45

Does One-button secure erase support RAID controllers?
HPE SR, MR and NS controllers are supported for One-button secure erase.
One Button Secure erase drives that do not support Purge?
RAID controllers can wipe drives (overwrite with a pattern) that do not support the purge operation. However, One-button secure
erase does not request the controller to perform this non secure wipe. Use the Intelligent Provisioning "System Erase and Reset"
feature to wipe data on such drives.
Does One-button secure erase erase battery backed cache?
See the table following for more information.
How does One-button secure erase process the erase commands?
See the following table for information on how One-button secure erase purges or overwrites data.
What privileges do users need to launch One-button secure erase?
Users need all iLO privileges to launch One-button secure erase.
Does One-button secure erase remove the serial number and product ID?
No, these items are not erased by One-button secure erase.
How long does the process take?
The duration depends on the hardware. Sanitization of HDDs takes longer than SSDs.
How One-button secure erase How One-button secure erase affects supported drives
Device Device
NVRAM
Embedded Flash (NAND)
Intel Optane DC PMM
UEFI configuration store
RTC
TPM
affects supported drives
Operation requested Operation requested
3-pass write: 0x5a, 0xa5, 0xff
eMMC 5.1 (JEDEC 84-B51) Secure Erase
command with SECURE_REMOVAL_TYPE in
Extended CSD register set to physical
memory erase, if supported by the device.
Secure Erase + Overwrite DIMM
3-pass: Chip erase (0xff), 0x00, Chip erase
(0xff)
Reset time to 01-01-2001 00:00:00
TPM Clear + Clear NV indices + Delete
Platform Symmetric key
Intelligent Provisioning 4.20 User Guide for HPE ProLiant and Synergy Gen11 Servers
Result Result
All battery backed iLO SRAM memory is
overwritten.
Data in physical memory is erased.
Cryptographic keys are removed and data in
all physical memory blocks (both user
accessible and in spare blocks) is overwritten
with zeros. PCD regions containing all
configuration and metadata is also
overwritten.
All physical sectors are overwritten.
Date, Time, Time zone, and DST are reset to
defaults.
All data in TPM is cleared including any
nonvolatile information.
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