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The new versions of the GDT Firmware, the BIOS and GDTSETUP are available after the next
cold-boot.
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The GDT RP Series Controllers support two types of intelligent subsystems:
1.
Subsystem which are accessed via the Intelligent Fault Bus (IFB, which is similar to the
DEC™ fault bus). E.g. Storage Works ™.
The IFB is based on an asynchronous bus on the SCSI connector and requires appropri-
ate hard/software in the subsystem.
2.
Subsystems which are accessed via SAF-TE (SCSI Accessed Fault Tolerant Enclosures).
SAF-TE is based on the simple idea, that the GDT RP Series controller and the subsys-
tem "talk" to each other via the SCSI bus. The subsystem requires a so-called SEP (SAF-
TE Enclosure Processor) per channel and an appropriate firmware. The GDT RP Series
controller includes in its firmware modules which provide a full SAF-TE implementation.
(See next pages:
Configure Physical Devices
).
What are the benefits of intelligent subsystems ?
1.
The GDT RP Series controller controls the LEDs. LED indication of the various states of
the hard disk within the Array Drive. E.g., your are shown which drive has failed, or which
drive is currently being rebuilt.
2.
Controlled Hot Plug "Auto Hot Plug". No risk of SCSI bus disturbances and electrical
problems. E.g., exchange of a drive is very simple: unplug it and plug in a new one.
