diff --git a/docs/reference/supported-linux-kernels.md b/docs/reference/supported-linux-kernels.md index 1500270..fc21882 100644 --- a/docs/reference/supported-linux-kernels.md +++ b/docs/reference/supported-linux-kernels.md @@ -22,4 +22,33 @@ The following kernels are known to be compatible and tested. Additional kernel v Amazon Linux 2 and Amazon Linux 2023 have a bug with [NVMe over Fabrics Multipathing](../important-notes/terminology.md#multipathing). That means that NVMe over Fabrics on any Amazon Linux operates in a degraded state with the risk of connection outages. As an alternative, - multipathing must be configured using the Linux Device Manager (dm) via DM-MPIO. + multipathing must be configured using the Linux Device Manager (dm) via DM-MPIO. Use the following DM-MPIO configuration: + + ```plain + cat /etc/multipath.conf + defaults { + polling_interval 1 + user_friendly_names yes + find_multipaths yes + enable_foreign nvme + checker_timeout 3 + failback immediate + max_polling_interval 3 + detect_checker yes + } + + devices { + device { + vendor "NVMe" + product ".*" + path_grouping_policy group_by_prio + path_selector "service-time 0" + failback "immediate" + no_path_retry "queue" + hardware_handler "1 ana" + } + } + + blacklist { + } + ```