Managing Self-Encrypting Drives on DGX Station A100
DGX Station A100 DU-10189-001 _v5.0.2|36
5.10. Changing Disk Passwords, Adding
Disks, or Replacing Disks
The steps in this process can be used to change or rotate passwords, add disks, or replace
disks.
1. Disable SED management.
2. Add or replace drives as needed and then rebuild the RAID array.
Refer to Recreating the Cache RAID 0 Volume for instructions.
3. To enable SED management and assign passwords, see Initializing the System for Drive
Encryption.
5.11. Recovering a Lost Key
NVIDIA recommends that you back up your keys and store the keys in a secure location.
If you lose the key that was used to initialize and lock your drives, you cannot unlock the drive.
The only way to recover is to perform a factory-reset, which will result in data loss.
SED drives come with a PSID printed on the label. This value can only be obtained by physically
examining the drive as shown in the following image.
To specify the PSID and reset the drive, run the following sedutil-cli command:
$ sudo sedutil-cli --yesIreallywanttoERASEALLmydatausingthePSID <your- drive-PSID> /dev/
nvme3n1
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