AWS ebs documentation change
Summary
Updated terminology, dates, and technical details for `io2` Block Express volumes
Security assessment
Changes focus on performance characteristics, deprecation timelines, and instance compatibility. No security-related content or vulnerabilities are addressed.
Diff
diff --git a/ebs/latest/userguide/provisioned-iops.md b/ebs/latest/userguide/provisioned-iops.md index 5ab19c75a..fdafec864 100644 --- a//ebs/latest/userguide/provisioned-iops.md +++ b//ebs/latest/userguide/provisioned-iops.md @@ -24 +24 @@ Provisioned IOPS SSD volumes are backed by solid-state drives (SSDs). They are t -Block Express architecture increases performance and scale of `io2` volumes. Block Express servers communicate with [ instances built on the Nitro System](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html) using the Scalable Reliable Datagram (SRD) networking protocol. This interface is implemented in the Nitro Card dedicated for Amazon EBS I/O function on the host hardware of the instance. It minimizes I/O delay and latency variation (network jitter), which provides faster and more consistent performance for your applications. +Block Express architecture increases performance and scale of `io2` volumes. Block Express servers communicate with [ Nitro-based instances](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html) using the Scalable Reliable Datagram (SRD) networking protocol. This interface is implemented in the Nitro Card dedicated for Amazon EBS I/O function on the host hardware of the instance. It minimizes I/O delay and latency variation (network jitter), which provides faster and more consistent performance for your applications. @@ -30,2 +29,0 @@ Provisioned IOPS SSD (`io2`) Block Express volumes deliver their provisioned IOP -`io2` Block Express volumes are supported on all [ instances built on the Nitro System](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html). For more information, see [`io2` Block Express volumes](https://aws.amazon.com/ebs/provisioned-iops/). - @@ -45 +43 @@ Provisioned IOPS SSD (`io2`) Block Express volumes deliver their provisioned IOP - * All `io2` volumes created after **November 21, 2023** are `io2` Block Express volumes. `io2` volumes created before **November 21, 2023** can be converted to `io2` Block Express volumes by [modifying the IOPS or size of the volume](./ebs-modify-volume.html). + * As of **April 30, 2025** , all new and previously created `io2` volumes are `io2` Block Express volumes. @@ -47 +45 @@ Provisioned IOPS SSD (`io2`) Block Express volumes deliver their provisioned IOP - * [ Instances built on the Nitro System](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html) can be attached to volumes up to 64 TiB in size. Other instance types can be attached to volumes up to 16 TiB in size. + * [ Nitro-based instances](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html) support volumes up to 64 TiB in size. Other instance types support volumes up to 16 TiB in size. @@ -49 +47 @@ Provisioned IOPS SSD (`io2`) Block Express volumes deliver their provisioned IOP - * [ Instances built on the Nitro System](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html) can be attached to volumes provisioned with up to 256,000 IOPS. Other instance types can be attached to volumes provisioned with up to 64,000 IOPS, but can achieve up to 32,000 IOPS. + * [ Nitro-based instances](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html) support volumes provisioned with up to 256,000 IOPS. Other instance types can be attached to volumes provisioned with up to 64,000 IOPS, but can achieve up to 32,000 IOPS. @@ -51 +49 @@ Provisioned IOPS SSD (`io2`) Block Express volumes deliver their provisioned IOP - * To create an encrypted `io2` volume, with a size larger than 16 TiB or IOPS greater than 64,000, from an unencrypted snapshot or shared encrypted snapshot, you must: + * To create an encrypted `io2` Block Express volume, with a size larger than 16 TiB or IOPS greater than 64,000, from an unencrypted snapshot or shared encrypted snapshot, you must: @@ -72 +70 @@ With `io2` Block Express volumes, you can provision volumes with: -You can achieve up to 256,000 IOPS with [ instances built on the Nitro System](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html). On other instances, you can achieve performance up to 32,000 IOPS. +You can achieve up to 256,000 IOPS with [ Nitro-based instances](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html). On other instances, you can achieve up to 32,000 IOPS. @@ -101 +99 @@ The maximum IOPS can be provisioned for volumes that are 1,280 GiB or larger (50 - * You can achieve up to 64,000 IOPS only on [ instances built on the Nitro System](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html). On other instances, you can achieve performance up to 32,000 IOPS. + * You can achieve up to 64,000 IOPS only on [ Nitro-based instances](https://docs.aws.amazon.com/ec2/latest/instancetypes/ec2-nitro-instances.html). On other instances, you can achieve up to 32,000 IOPS.