| Change Control Event | CHG0031320 – Upgrade the microcode for IBM arrays ebxiv01 and ebxiv02 from microcode level 11.5.1.b to 11.5.2. | Change Control Event | CHG0031320 – Upgrade the microcode for IBM arrays ebxiv01 and ebxiv02 from microcode level 11.5.1.b to 11.5.2.CHG0031320 – Upgrade the microcode for IBM arrays ebxiv01 and ebxiv02 from microcode level 11.5.1.b to 11.5.2.