IBM TotalStorage DS4400 Midrange Disk System was formerly named IBM TotalStorage FAStT700 Storage Server - model 1742-1RU/1RX
At certain levels of ESM firmware, a problem exists which keeps problematic devices from being taken out of the Fibre Channel loop. Access to data on the storage array may be impacted if the above problem is encountered. A fix for this problem is currently available and as a result, IBM recommends that firmware levels for EXPs 810/710/420 be upgraded minimally to the following ESM firmware levels: - EXP 810/420: 98B5- EXP 710: 9681 Please see RETAIN Tip H194143, for more information on this recommendation.
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- H193288: DS3000, DS4000, and DS5000 controllers will reboot every 825 days - IBM System Storage
- H181731: Poor I/O performance, or constant increase in the CRC count - IBM TotalStorage DS4400 (FAStT700), DS4500 (FAStT900)
- H176340: FAStT500 and FAStT700: Enclosure identify LEDS do not turn off - Fibre Channel Solutions
