How To Upgrade a Kernel on BDA V4.2 and Higher/V4.1 (Doc ID 2033797.1)
Last updated on AUGUST 22, 2017
Big Data Appliance Integrated Software - Version 4.2.0 and later Linux x86-64
Detail how to upgrade the Kernel on BDA V4.2 and higher and BDA V4.1. The only difference between the BDA V4.2 and higher versions and BDA V4.1 is that on BDA V4.2 and higher 'reset-grub-conf' is on the BDA. On BDA V4.1 download the attached BDA V4.2-4.4 'reset-grub-conf' to any staging directory on the BDA and execute it from there.
Note: There is a known issue on OL6 with UEK4 kernels higher than UEK 4.1.12-76 and lower than UEK 4.1.12-94.3.9 such that a network restart ("service network restart") causes a crash and a node reboot. Please do not upgrade to a UEK4 kernel lower than UEK 4.1.12-94.3.9 - see also DocID 2296538.1 Recommended Kernel and Firmware Versions After Upgrade to BDA V4.7, BDA V4.8, BDA V4.9.
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