VMware

New vSAN Stretched Cluster Topology now supported

After publishing the vSAN Networking Guide earlier this year, Paudie O'Riordain and I received numerous questions regarding support on having different [...]

See you at VMworld 2017 Barcelona

Now that the US VMworld 2017 event in Las Vegas is over for another year, the focus turns to the VMworld 2017 event in Europe. This year, it once again takes [...]

VMworld 2017 Session on vSphere 6.5 Core Storage now on YouTube

A quick note to let you know that the session that I delivered on day 1 of VMworld 2017 is now available on YouTube. The session is entitled "A Deep Dive into [...]

ATS Miscompare revisited in vSphere 6.5

Does anyone remember the ATS Miscompare issue? This blog post from 2 years ago might jog your memory. It is basically an issue that arose when we began using [...]

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 [...]