On Monday, February 3rd, during VMware’s Online Launch Event, VMware made the announcement of the latest release of their flagship product “vSphere 6.0.” There are a lot of great features and enhancements with this new release and for this post I wanted to zero in on one specific enhancement, and in my humble opinion, that is where the vMotion technology just became the vDistance technology.
Google has delivered live migration in its Google Compute Engine cloud offering. Now comes word from Barb Darrow at Gigaom that Amazon is working on live migration as well. Is it possible that the cloud bambies are waking up to the fact that not all applications are stateless and that for many applications, shutting down…
On 9/8 was held the Virtualization Security Podcast featuring Phil Cox, Director of Security and Compliance at RightScale, to discuss the impact of and need for automation of cloud security. Given that we create clouds by automating deployment of workloads we also need to automate the security of those workloads during the same deployment. This podcast delves into that need, and touches on where over automation is also a problem.
Chad Sakac mentions on his blog that VNXe “uses a completely homegrown EMC innovation (C4LX and CSX) to virtualize, encapsulate whole kernels and other multiple high performance storage services into a tight, integrated package.” Well this has gotten me to thinking about other uses of VNXe. If EMC could manage to “refactor” or encapsulate a few more technologies, I think we have the makings of a killer virtualization security appliance. Why would a storage appliance spur on thinking about virtualization security?
The question of whether and how to replace DRS is really a part of the question of what is in the virtualization platform and what is not. Clearly the virtualization platform consists of much more than the hypervisor. VMware would like to define the virtualization platform as all of vSphere Enterprise Plus, and then suggest that vCloud Director and its own performance management solutions are logical extensions of that platform. Enterprises need to be careful about where they draw their own lines in this regard. As VMware is a clear market leader both in terms of product functionality and enterprise installations, VMware needs to be given full credit for the quality of vSphere and its success. However full credit does not need to imply that one is 100% locked in to VMware solution as there is room to pursue third party IT as a Service, Performance Management, and Service Assurance strategies as well as replace/augment components in vSphere.
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With the release of vSphere 4.1, VMware has added to their Dynamic Resource Load Balancing (DRLB) suite of tools that I hinted at in my post on Dynamic Resource Load Balancing that I wrote last week as well as providing new memory over commit and other functionality. In essence, vSphere 4.1 is more than a point release, this update includes many features that aid in security, reliability, and is a direct response to customer requests.
This technique operates completely transparent to the vSphere environment, as only a single LUN is presented to the two hosts. So a single vMotion and a “logical” storage vMotion (actually hyper-speed synchronous dual write) are combined into a single vMotion which only takes a few minutes or seconds to execute.
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There are a wide variety of problems that can occur the SAN and physical strorage layers of the virtual insfrastructure, all of which can create serious performance problems for applications and users. Tools from Akorri and Virtual Instruments can address these issues in a variety of ways.