Dell PowerEdge RAID Controller H700 User Manual

Page 171

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Glossary

171

Related term: Not Secured

Secure Disk Group

Indicates that a disk group comprised of security-capable physical disks
is secured.

Secure Migration

The process of moving a set of secured disks to a different controller.

Security Enabled/Disabled

Indicates wether a security capable component is secured.

Security Key

A key to lock or unlock access to a security-enabled component. This key is
not utilized in the actual encryption of the data.

Self Encrypting Disk (SED)

Hardware-based encryption incorporated in a security-capable physical disk.

Single Bit ECC Errors

ECC stands for error correcting code. ECC errors are errors that occur in the

memory, which can corrupt cached data so that it has to be discarded. Single-bit

ECC errors can be handled by the firmware and do not disrupt normal

operation. A notification is sent if the number of single-bit errors exceeds a

threshold value.

SMART

The self-monitoring analysis and reporting technology (SMART) feature

monitors the internal performance of all motors, heads, and disk electronics to

detect predictable disk failures.

SMP

Serial Management Protocol. SMP communicates topology management

information directly with an attached SAS expander device. Each PHY on the

controller can function as an SMP initiator.

PERC7.2_UG.book Page 171 Thursday, March 3, 2011 2:14 PM

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