Recent Posts

Using the Perennially Reserved Flag for WSFC RDMs.

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In cases where customers are using numerous pRDMs in their environment, host boot times or storage rescans can take a long time. The reason for the longer scan times is each LUN attached to a host is scanned at boot or during a storage rescan. Typically, RDMs are provisioned to VMs for Microsoft WSFC and Read more...

Using vVols with CNS

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Virtual Volumes or vVols enables your existing storage array capabilities to be managed via SPBM policies and applied at a VM or VM disk level, all while existing in a single vVols datastore that correlates to a storage container on the array. The Guest OS file system is the native FS on the vVol itself. Read more...
RDMs to vVols

Migrating WSFC RDMs to vVols

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RDMs aren't the most popular of storage option but are widely used for many applications that require SCSI-3 Persistent Reservations. SCSI-3 PRs allow SCSI commands to be directly passed to a LUN to satisfy the requirements of SCSI-3 PR used by Microsoft WSFC. WSFC is one of the more common examples of using RDMs. When Read more...

vSphere 7 with VMware’s Storage Partners

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VMware works closely with our storage partners when developing new features, enhancements and products. With vSphere 7 now GA, I want to highlight our storage partners' content for this release. As more partners release content, I will update this blog. For more information on storage features in vSphere 7 head over to Storagehub.vmware.com. VMware Storage Read more...
RDM to Shared VMDK

vSphere 7 – RDM to Shared VMDK Migration

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With the release of vSphere 7, one of the core storage features is Shared VMDKs on VMFS. (See vSphere 7 Cores Storage details here.) Many clustered applications require SCSI-3 persistent reservation (SCSI3-PR) to be able to share disks between nodes in the cluster application. Microsoft’s Windows Server Failover Cluster (WSFC) is the most common example. Read more...

What’s New in vSphere 7 Core Storage

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vSphere 7 Core Storage With the announcement of vSphere 7, the anticipation of what’s new is over. What has been added or changed in this release? I’m glad you asked! In vSphere 7, there are some exciting new storage features and interoperability. Under core storage, we’ve added external connectivity to NVMe device with NVMeoF, shared Read more...

New vVols Lightboard Series

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vVols adoption is growing and continues to gain momentum in 2020! Together with vVols Partner ecosystem and VMware vVols team - we would like to present series of Lightboard Sessions discussing benefits, partner implementations, and various use cases. Below is a link to the first set in the series with a vVols overview - and Read more...

iSCSI Port Binding: To Use or Not to Use

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As GSS’ most common storage issue, iSCSI Port Binding seems to be a pain point for many customers. Why is this— why so many calls and misconfigurations? I did a test session breaking out the iSCSI section from Cody Hosterman and my Core Storage Best practices session from VMworld, and I was amazed at the attendance! Read more...

What is VMware GSS’s View on vVols? It’s the Future!

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VMware Global Support Services Talks vVols   One of the topics that come ups around vVols is supportability. How are vVols issues resolved when things go wrong, how are issues handled, and what-if situations? Instead of trying to go through the different scenarios, you should watch Brandon McFeron’s VMworld session, “GSS talks vVols.” Brandon is Read more...
vVols at VMworld

How to Get the Latest Info on vVols at VMworld Europe

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VMware and our storage partners continue to develop and support Virtual Volumes or vVols. This year, at VMworld US in San Francisco, there were several vVols sessions, indicating the growing interest and adoption of vVols. The increased focus is your opportunity to hear and learn the latest information on vVols. If you are going to Read more...