VMworld 2018 US: HCI1469BU- The Future of vSAN and Hyperconverged Infrastructure
This “HCI Futures” session at VMworld US was hosted by two VPs from the Storage and Availability Business Unit, plus a customer guest. It covered the new features recently added to the vSAN environment with the release of 6.7 Update 1, alongside discussion of the possible future direction of VMware in the Hyper-Converged Infrastructure space. I caught up with the session via the online recording.
HCI is a rapidly growing architecture, with both industry wide figures from IDC and VMware’s own figures seeing massive spending increases. In the week of this VMworld, the 4-year old vSAN product is now boasting 15,000 customers. We are told customers are embarking on journeys into the Hybrid Cloud and looking for operational consistency between their On-Premises and Public Cloud environments.
The customer story incorporated into this breakout session was provided by Honeywell. They were an early adopter of vSAN in 2014, starting with the low-risk option of hosting their management cluster on the technology. Since then they have replaced much of their traditional SAN infrastructure and are now boasting 1.7 Petabytes of data on vSAN, with compression and de-duplication giving them savings of nearly 700TB of disk.
VMware is pushing along several paths to enhance the product- the most obvious is including new storage technologies as they become available. All-flash vSAN is now commonplace, with SSDs replacing traditional spinning disk in the capacity tiers. Looking to the future, the session talked of the usage of NVMe and Persistent Memory (PMEM) developments – storage latency becoming significantly less than network latency for the first time. This prompts a move away from the current 2-tier model to one which incorporates “Adaptive Tiering” to make best use of the different storage components available.
In the Public Cloud- in particular the VMware on AWS offering- there have been customers who want to expand storage faster than compute. In the current model this hasn’t been possible due to the fixed-capacity building blocks that HCI is known for. This is being addressed by adding access to Amazon’s Elastic Block Storage (EBS) in 6.7U1 as a storage target for the environment. vSAN Encryption using the Amazon KMS is also included, along with the ability to utilise the Elastic DRS features when using AWS as a DRaaS provider for a vSphere environment.
vSAN is also moving away from it’s position as “just” the storage for Virtual Machines. Future developments include the introduction of file storage- and the ability to do some advanced data management- classifying, searching, and filtering the data.
With all this data being stored, VMware is looking to enhance the data protection functionality in the platform. Incorporation of native snapshots with replication to secondary storage (and cloud) for DR purposes increase the challenge to “traditional” storage vendors- and although it was played down in this talk also encroach further into the backup space which is populated by a large group of VMware partners.
Cloud Native applications are also being catered for with Kubernetes integration- using application-level hooks to leverage snapshots, replication, encryption, and backups all through the existing vCenter interface.
If you want to watch the recording of this session to get more information it’s available on the VMworld site: videos.vmworld.com. To sign up to the vSAN Beta which is covering some of the Data Protection, Cloud Native Storage, and File Services visit www.vmware.com/go/vsan-beta