diff --git a/modules/storage-persistent-storage-aws-maximum-volumes.adoc b/modules/storage-persistent-storage-aws-maximum-volumes.adoc index 749594baed2d..bb00e44ab6e9 100644 --- a/modules/storage-persistent-storage-aws-maximum-volumes.adoc +++ b/modules/storage-persistent-storage-aws-maximum-volumes.adoc @@ -3,17 +3,13 @@ // * storage/persistent_storage-aws.adoc [id="maximum-number-of-ebs-volumes-on-a-node_{context}"] -= Maximum Number of EBS Volumes on a Node += Maximum number of EBS volumes on a node By default, {product-title} supports a maximum of 39 EBS volumes attached to one node. This limit is consistent with the -link:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/volume_limits.html#linux-specific-volume-limits[AWS -volume limits]. +link:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/volume_limits.html#linux-specific-volume-limits[AWS volume limits]. The volume limit depends on the instance type. -{product-title} can be configured to have a higher limit by setting the -environment variable `KUBE_MAX_PD_VOLS`. However, AWS requires a particular -naming scheme -(link:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/device_naming.html[AWS -Device Naming]) for attached devices, which only supports a maximum of 52 -volumes. This limits the number of volumes that can be attached to a node via -{product-title} to 52. +[IMPORTANT] +==== +As a cluster administrator, you must use either in-tree or Container Storage Interface (CSI) volumes and their respective storage classes, but never both volume types at the same time. The maximum attached EBS volume number is counted separately for in-tree and CSI volumes. +====