Following on from my first post on VVOLs, I did a little research on the two technology previews that had been presented at this and last year’s VMworld – sessions INF-STO2223 & VSP3205 respectively. The sessions fill in a few background ideas and seem to have evolved slightly over the [...]
Continue Reading This Post →During the VMware keynote session today there was a minor discussion on the upcoming concept of VMware vVOLS. Today, a virtual machine sits on a VMFS created on a storage LUN or on an NFS share. An individual virtual machine consists of many files and in the case of VMFS-based VMs, is sitting on a [...]
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This is one of a series of posts discussing the new features in Windows Server 2012, now shipping and previously in public beta as Windows Server 8. You can find references to other related posts at the end of this article. This post reviews the new Hyper-V 3.0 feature, Virtual Fibre Channel.
Background
Virtual Fibre [...]
Continue Reading This Post →Here are my slides from the London VMUG yesterday. It was a great event and thanks to everyone who attended the session. Good to meet you all!
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It’s probably fair to say that data migration is one of the most tedious tasks in storage management. Moving data from one array to another, simply to decommission a piece of hardware or for load and capacity balancing, doesn’t ever inspire me. But it’s a necessary evil and one I’ve done many times. Unless the [...]
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Last week VMware issued this advisory on their knowledge base, recommending the disabling of VAAI Thin Provisioning reclaim in ESXi 5.0. Apparently it seems to be causing “poor performance’ during certain vSphere actions like Storage vMotion. The “cause” section contains the somewhat vague comment as follows:
VAAI Thin Provisioning is [...]
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I had a tweet this morning from Leo Tudisca following on from the latest Infosmack Deep Dive podcast discussing storage and virtualisation. Leo’s question was regarding sub-LUN virtual machine replication and how it can be achieved. This requirement is something I’ve been mulling over for [...]
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