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Adtron I35MB Operations Manual
Rev. 003, PN: 610200094
16
S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology)
Attributes
The Adtron Diskpak I35MB incorporates an array of S.M.A.R.T. attributes and
capabilities that provide significant amounts of information relating to the life
history of the hard disk drive (HDD). S.M.A.R.T. is a monitoring system for
computer (HDDs) to detect and report on various indicators of reliability, with the
intent of anticipating failures. The user or system administrator can send a query
using S.M.A.R.T. technology to retrieve requested data. This provides time to
anticipate drive failure and to take preventive action — such as copying the data to a
replacement device.
The I35MB incoporates:
• Operational Attribute Data
• User and manufacturing log pages
• Error Log pages
• Self-test
Using RAID-1 mirroring techniques, the I35MB duplicates data using two disk
interfaces that are referred to as Bank 0 and Bank 1. The user can determine the
status of the data mirror as a whole, as well as each bank individually, using
industry- standard S.M.A.R.T commands. The S.M.A.R.T. Attributes that specifically
apply to the I35MB are summarized below, and a more detailed description appears
in Table 3.
Contact Adtron for more S.M.A.R.T. details.
Attribute #121: Hard Fault – Bank 0: Attribute
identifies the Bank 0 media that has
experienced a hard fault.
Attribute #122: Hard Fault – Bank 1: Attribute
identifies the Bank 1 media that has
experienced a hard fault.
Attribute #125: Soft Fault – all Media: Attribute
identifies all the media that has experienced a
soft fault.
Attribute #126: Soft Fault – Bank 0: Attribute
identifies the Bank 0 media that has
experienced a soft fault.
Attribute #127: Soft Fault – Bank 1: Attribute
identifies the Bank 1 media has experienced a
soft fault.
Attribute #110: Hardware Configuration:
Attribute identifies configuration as RAID-1
and identifies the media interfaces that exist.
Attribute #111: Media Presence: Attribute
identifies whether media was present on those
interfaces at last power-up.
Attribute #112: Reset to Ready Timer: Attribute
identifies the time in milliseconds from
power-up until this logical unit indicated it
was ready.
Attribute #113: Rebuild Activity Completion
Estimate: Attribute provides an estimate of the
percentage of time remaining until the rebuild
activity is complete.
Attribute #120: Hard Fault – all Media:
Attribute identifies all the media that has
experienced a hard fault.