Storage

Improved block allocation mechanism on VMFS-6

Along with other improvements to VMFS-6, there is also a new block allocation mechanism which aims to reduce lock contention between hosts sharing the same [...]

A change to sub-blocks on VMFS-6

Something that I only just recently noticed is that we have made a change to the sub-blocks structure on VMFS-6, compared to VMFS-5. Sub-blocks are small [...]

VMFS-6 Large and Small File Blocks – what are they?

When vSphere 6.5 released towards the end of 2016, it introduced a brand new version of VMFS, VMFS-6. VMFS probably needs little in the way of introduction at [...]

View 7.1 and vSAN 6.6.1 interop – nice fix

Last week, I was rolling out Horizon View v7.1 on my new vSAN 6.6.1 all-flash configuration in the lab. Now, one of the pet peeves a few of us have had with [...]

Does enabling encryption on vSAN require on an-disk format change?

vSAN 6.6 shipped earlier this year. It comes with a new on-disk format to support, among other things, data at rest encryption (also known as DARE). This is [...]

Deploying vSAN with Photon Platform v1.2

This is a bit of a long post, but there is a lot to cover. In a previous post, I walked through the deployment of Photon Platform v1.2, which included the [...]

A closer look at Portworx

Last month I had the opportunity to attend DockerCon17. One of the break-out sessions that I attended was from a company called Portworx. Portworx provide a [...]