Dell PowerVault MD3820f - Manual (Page 93)

to encrypt the data. A security capable physical disk works like any other physical disk until it is security
enabled.
Whenever the power is turned off and turned on again, all of the security enabled physical disks change
to a security locked state. In this state, the data is inaccessible until the correct security key is provided by
a RAID controller module.
You can view the self encrypting disk status of any physical disk in the storage array from the Physical
Disk Properties dialog. The status information reports whether the physical disk is:
• Security capable
• Secure — Security enabled or disabled
• Read/Write Accessible — Security locked or unlocked
You can view the self encrypting disk status of any disk group in the storage array. The status information
reports whether the storage array is:
• Security capable
• Secure
The following table shows how to interpret the security status of a disk group.
Table 4. Interpretation of Security Status of Disk Group
Secure Security Capable - Yes Security Capable - No
Yes The disk group is composed of all SED
physical disks and is in a Secure state. Not applicable. Only SED physical disks can
be in a Secure state.
No The disk group is composed of all SED
physical disks and is in a Non-Secure
state. The disk group is not entirely composed of
SED physical disks.
The Physical Disk Security menu is displayed in the Storage Array menu. The Physical Disk Security
menu has the following options:
• Create Key
• Change Key
• Save Key
• Validate Key
• Import Key
• Unlock Drives
NOTE: If you have not created a security key for the storage array, the Create Key option is active. If
you have created a security key for the storage array, the Create Key option is inactive with a check
mark to the left. The Change Key option, the Save Key option, and the Validate Key option are now
active.
The Secure Physical Disks option is displayed in the Disk Group menu. The Secure Physical Disks option
is active if these conditions are true:
• The selected storage array is not security enabled but is comprised entirely of security capable
physical disks.
• The storage array contains no snapshot base virtual disks or snapshot repository virtual disks.
• The disk group is in an Optimal state.
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