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HP CA and the use of LUN balancing scripts
Some of my customers use HP Continuous Access to replicate VM data between storage arrays. Lately a couple of LUN balancing powershell- and Perl scripts were introduced in the VMware community. First...
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Increasing the queue depth?
When it comes to IO performance in the virtual infrastructure one of the most recommended “tweaks” is changing the Queue Depth (QD). But most forget that the QD parameter is just a small part of the IO...
View ArticleMy first lefthand ISCSI VI architecture
I’m currently reviewing a design of a new virtual infrastructure. The VI uses multiple 10GB links to connect to a very large HP Lefthand san. I’m more a Fibre Channel guy, but I believe that this...
View ArticleDeploying Volumes with Lefthand (CLIQ)
Due to my extreme busy schedule I haven’t blogged for a while. Besides studying for VCDX and preparing for VMworld I’m also involved in a couple of projects. One project is designing and implementing a...
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Lefthand SAN – Lessons learned
Please note that this article has been written in 2009. I do not know if Lefthand changed their solution. Please check with your HP representative for updates! I recently had the opportunity to deliver...
View ArticleIdentify storage performance issues
VMware has recently updated the kb article “ Using esxtop to identify storage performance issues Details” (KB1008205). The KB article provides information about how to use esxtop to determine the...
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ESX4 ALUA, TPGS and HP CA
In my blog post: “HP CA and the use of LUN balancing scripts” I tried to cover the possible impact of using HP continuous Access EVA on the LUN path load balancing scheme in ESX 3.x. I received a lot...
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How to attach VM storage profiles to a virtual machine using the web client
Virtual Machine Storage Profiles are used to identify the storage capabilities necessary in order to properly run the application within the virtual machine. VM Storage Profiles need to enabled first...
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Part 3 - Data path is not managed as a clustered resource
Welcome to part 3 of the Virtual Datacenter scaling problems with traditional shared storage series. Last week I published an article about the FAST presentation “A Practical Implementation of...
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Maximizing performance with the correct drivers - Intel PCIe NVMe driver
Today’s focus is on upper levels/overlay’s (SDDC stack, NSX, Cloud) but proper host design and management still remains the foundation of success. With the introduction of these new 'overlay' services,...
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Tracking down noisy neighbors
A big part of resource management is sizing of the virtual machines. Right-sizing the virtual machines allows IT teams to optimize the resource utilization of the virtual machines. Right sizing has...
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Consumer grade SSD versus Enterprise grade SSD, which one to pick?
Should I use consumer grade SSD drives or should I use enterprise grade SSD drives? This a very popular question and I receive it almost on a daily basis. Lab or production environment, my answer is...
View ArticleThis blog has been hacked by vS0ciety
Follow us @vS0ciety The post This blog has been hacked by vS0ciety appeared first on frankdenneman.nl.
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