# 1656250 - SAP on AWS: Support prerequisites - only Linux Operating System IO Recommendations
# Version 31 from 02.12.2020 in English

[version]
# SAP-NOTE=1656250 CATEGORY=LNX-AWS VERSION=31 DATE=02.12.2020 NAME="SAP on AWS: Support prerequisites - only Linux Operating System IO Recommendations"

[sys:blkpat=nvme:csp=aws]
# On linux operating systems the kernel parameter nvme_core.io_timeout controls
# how long the operating system waits before it considers an IO request to be
# failed. It should be set to 4294967295 or the maximum value that the
# operating system allows.
# /sys/module/nvme_core/parameters/io_timeout
# kernel cmdline parameter nvme_core.io_timeout=4294967295
module.nvme_core.parameters.io_timeout=4294967295

[block:blkpat=nvme:csp=aws]
# On linux operating systems the IO scheduler controls how the operating
# systems interacts with storage volumes like AWS EBS. For optimal performance
# on AWS it should be set to "none".
# /sys/block/nvme*n1/queue/scheduler
IO_SCHEDULER=none
