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150 Glossary
SATA
Acronym for Serial Advanced Technology Attachment. A physical storage
interface standard, is a serial link that provides point-to-point connections
between devices. The thinner serial cables allow for better airflow within the
system and permit smaller chassis designs.
SCSIport
The SCSIport driver is a feature of the Microsoft
®
Windows
®
storage
architecture, delivering SCSI commands to the storage targets. The SCSIport
driver works well with storage using parallel SCSI.
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
Acronym for Self-Monitoring Analysis and Reporting Technology.
The self-monitoring analysis and reporting technology (SMART) feature
monitors the internal performance of all motors, heads, and drive electronics to
detect predictable drive failures. This feature helps monitor drive performance
and reliability, and protects the data on the drive. When problems are detected
on a drive, you can replace or repair the drive without losing any data.
SMART-compliant disks have attributes for which data (values) can be
monitored to identify changes in values and determine whether the values are
within threshold limits. Many mechanical failures and some electrical failures
display some degradation in performance before failure
SMP
Acronym for 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.
Dell_PERC6.1_UG.book Page 150 Wednesday, April 15, 2009 4:18 PM