Categories
Storage DRS Storage Profiles VMware vSphere

The requested operation will exceed the VDC’s storage quota

vSphere 5.1 introduced a number of vCloud Director (vCD) interoperability features from a storage perspective, namely ability to take VM snapshots from within the vCD UI, interoperability with Storage Profiles and interoperability with Storage DRS. Admittedly, its been a while since I played with vCD and I am a little rusty, but I wanted to […]

Categories
VMFS vSphere

Do RDMs still rely on LUN ID?

I had an interesting question the other day about whether Raw Device Mappings (aka RDMs) still had a reliance on the LUN ID, especially when it comes to the vMotion of Virtual Machines which have RDMs attached. I remember some time back that we introduced a concept called Dynamic Name Resolution for RDMs, which meant […]

Categories
Flash Storage VAAI vSphere

Pure Storage adds vCenter Web Client Plugin, VAAI, iSCSI & more to new release

Pure Storage are an all-flash enterprise storage company. I first met these guys at VMworld 2011 and was quite impressed by their product. Like many Flash Array vendors at the time, there wasn’t a great amount of vSphere integration features. However, with this latest release of Purity v2.5, Pure Storage are addressing this and more. […]

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Storage DRS VASA VMware vSphere

vSphere 5.1 Storage Enhancements – Part 9: Storage DRS

This post will look at Storage DRS enhancements in vSphere 5.1.

Categories
Storage I/O Control VMware vSphere

vSphere 5.1 Storage Enhancements – Part 8: Storage I/O Control

Storage I/O Control (SIOC) was initially introduced in vSphere 4.1 to provide I/O prioritization of virtual machines running on a cluster of ESXi hosts that had access to  shared storage.  It extended the familiar constructs of shares and limits, which existed for CPU and memory, to address storage utilization through a dynamic allocation of I/O […]

Categories
Storage vMotion VMware vSphere

vSphere 5.1 Storage Enhancements – Part 7: Storage vMotion

Let’s begin this post with a recap of the Storage vMotion enhancements made in vSphere 5.0. Storage vMotion in vSphere 5.0 enabled the migration of virtual machines with snapshots and also the migration of linked clones. It also introduced a new mirroring architecture which mirrors the changed disk blocks after they have been copied to […]

Categories
Storage VMware vSphere

vSphere 5.1 Storage Enhancements – Part 6: IODM & SSD Monitoring

To build on 5.0 enhancements to make the life of a vSphere administrator easier from a storage perspective, vSphere 5.1 includes additional command for the diagnosis of various storage protocol issues from the ESXi host. This new functionality is called I/O Device Management (IODM).