Unable To Increase Disk Queue Value On Linux 6.8 Guest with UEK4 kernel over OVM 3.4.x (Doc ID 2188748.1)

Last updated on JANUARY 11, 2022

Applies to:

Oracle VM - Version 3.4.1 and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64

Try to increase the a disk queue this command is used, but fails:

# echo 64 > /sys/block/xvdd/queue/nr_requests

-bash: echo: write error: Invalid argument <<<<========

The virtual guest is Oracle Linux 6.8 using UEK4 kernel (4.1.12-61.1.19.el6uek.x86_64).

This document explain how to increase the disk queue in this cases.

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