Non-Sed Secure Erase Support - Lenovo ThinkServer RD650 User Manual

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Figure 140 Virtual Drive Properties
8.5.11

Non-SED Secure Erase Support

This section describes the firmware changes required to securely erase data on non-SEDs (normal HDDs).
SEDs securely erase their internal encryption keys, effectively destroying all of the data present on the drive. For
Non–SED drives, the erase operation consists of a series of write operations to a drive that overwrites every
NOTE You cannot select the Disk cache policy for the virtual drives having
only SSD drives or a mix of SSD and HDD during VD creation. The value
of the Disk Cache Policy is Unchanged and can be set for only HDD
drives.
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Chapter 8: MegaRAID Storage Manager Window and Menus
MegaRAID Storage Manager Main Menu