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These are blog entries written by the UNIX Health Check development team. Our team has extensive technical experience on both AIX and Red Hat systems, and we like to share our knowledge with our visitors.

Topics: Red Hat / Linux

Disable NUMA on RHEL version 7

This article is based on: https://access.redhat.com/solutions/23216 and describes how to disable NUMA on a Red Hat version 7 based system.

Edit file /etc/default/grub, and add "numa=off" to the GRUB_CMDLINE_LINUX, for example: 

GRUB_CMDLINE_LINUX="crashkernel=auto rd.lvm.lv=rhel/root rd.lvm.lv=rhel/swap rhgb
quiet transparent_hugepage=never numa=off"
Rebuild the grub config: 
# grub2-mkconfig -o /etc/grub2.cfg
Then reboot: 
# reboot




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