Sun Flash F20 PCIe Card: Awareness of D20R Firmware Defects (Doc ID 1297789.1)

Last updated on FEBRUARY 12, 2019

Applies to:

Purpose

The purpose of this document is to make customers aware of the following defects found in F20 fmod firmware version D20R.

Bug Id 15638696 SUNBT6946828 - FMOD becomes unresponsive after large number of random data transfers with greater than 2MB blocksize.
Bug Id SUNBT6959533 - FMOD becomes unresponsive with 8MB or greater data transfer blocksizes with thread counts of 32 or greater (32+queued commands).
Bug Id 15642479 SUNBT6951584 - FMOD becomes unresponsive after hundreds of power cycles (800+) with cache flush in rapid succession.

The above defects are fixed in fmod FW D20Y.  However, F20 cards with board part number 511-1500 DO NOT SUPPORT UPGRADING to D20Y FW, so the workaround will need to be used.

Scope

Systems encountering any of the defect below will experience data loss.  To avoid these defects, please use the workarounds listed below.

SUNBT6946828 - FMOD becomes unresponsive after large number of random data transfers with greater than 2MB blocksize.
   Workaround = use < 2MB transfer sizes for I/O workloads

SUNBT6959533 - FMOD becomes unresponsive after hundreds of power cycles (900+) with cacheflush.
   Workaround = Assess risk by examining the SMART power cycle counters

SUNBT6951584 - FMOD becomes unresponsive after hundreds of power cycles (800+) with cache flush in rapid succession.
   Workaround = Do not run continuous power cycle tests on an F20 in MSeries host.

Details

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