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My case study in the clouds…

2014/12/10
by Piotr Pisz
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Horizon Workspace Portal 2.1 – load balancing using BIG-IP F5

It’s been a long time since the launch of Horizon Workspace 2.1, it’s time to upgrade 2.0 to 2.1. I will not deny that the first time the new version of a product made me symptoms of shock. Horizon Workspace is a very complex product, its mastery requires a great portion of time, the same applies to the implementation. The absorption of new technologies must continue. And here from version to version changes are increasing. During migration from 1.8 to 2.0 we lost file management system, and version 2.0 to 2.1 was a complete remodeling environment. This migration path only place a new installation of 2.1 and migrate settings from 2.0! So that’s really all starts from the beginning… I decided that I will not perform the settings migration only set the new version 2.1 and configure everything from the beginning (early upgrade caused a lot of problems). Changes within Horizon Workspace are not so large, and whole configuration can be done in a reasonable time. At the end just swapping Workspace FQDN IP address from the old installation to the new (all desktop clients will connect to the new version and upgrade). Of course this post is not about the upgrade, only about load balancing (new model). As an introduction, please read the previous two posts about balancing traffic to gateway-va and connector-va (this post is a supplement).

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Image by Peter Bjork.

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2014/12/01
by Piotr Pisz
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EMC ViPR for dammies (installation and configuration).

On EMC ViPR and ViPR SRM we could listen on a recently EMC Forum 2014 conference in Warsaw. It is quite a new solution from EMC, showing exactly how the company sees the software-defined storage. What really is ViPR? In the huge simplification, this is a storage management (monitoring and reporting) system. At some stage replaces the storage management consoles (eg. Isilon, VNX, and others) providing a consistent interface between users requirements (for space) with the function of the management and distribution of space for those users (eg, individual or bussines groups). What ViPR is not? It is not a storage virtualizer (please keep this in mind). The same solution is very cheap, for $ 10k you get a full set of license for a huge number of Terabyte. Fortunately, we do not need to buy EMC ViPR for testing purposes, they can be downloaded directly from EMC (version for three or five nodes) with unlimited time license (for 300T). Or traditionally, from me (single-node version). As the ViPR appliance is quite demanding with respect to RAM (installed with 16GB but works fine on 8GB), a one-node version for test is enough. In this post I will show you how to take the first steps in ViPR so we do not get lost. This will help you get an idea of what lies behind this solution. In test we  use as a backend earlier installations of EMC Isilon and EMC VNX for File.

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2014/11/20
by Piotr Pisz
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BIG IP F5 – Reactivate license before upgrade

Today in our Lab I decide to upgrade my F5 BIG IP VE from 11.5.1 to 11.6 (in connection with the first hotfix 1.0.403). So far, I raised version just by uploading the hotfixes to 11.5 ( We start from this version). The procedure for upgrade the full version turned out to be less standard, after a reboot, it turned out that the TMM and web gui do not want to start (the endless message “Configuration utility restarting”). After a check in the log, I found this:

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2014/11/17
by Piotr Pisz
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EMC Isilon Simulator – Installation and Configuration

New times and new requirements for storage space used by the company have brought new solutions. One of these solutions is EMC Isilon. In a huge simplification, we can say that it is the simple NAS. But it is not just disk array, the heart of it all is OneFS. The architecture is based on a clustered solution (minimum starting number of units is three nodes), OneFS provides full automation of configuration (cluster initialization takes a few minutes), and the distribution of data across all nodes. There are several advantages of such a solution, the main advantage is of course no single point of failure. Node fails? Connect the new, the rest happens by itself. Another advantage is scalability, which is virtually unlimited, we connect another node to the cluster and thereby increase the available space (automatically, no configuration required). Added to this deduplication, compression, data protection and several other services. One should also mention the huge performance of this solution. Subsequent nodes not only increase the available space but also increase performance many times (by manufacturer: explosive growth in performance and capacity). And the last advantage, API. OneFS provides a REST API through which all manipulations on files can be accelerated several times. EMC also provides a full-featured Isilon simulator! The simulator is a bad word, it is a fully functional Isilon, only virtualized. Its performance be little smaller. I strongly encourage to the testing, EMC Isilon can be downloaded here (requires EMC account, this is version for VMware Workstation/Player) or directly from me (version 7.1.1, file OVA). I write here about the simulator, but the hardware configuration of the cluster looks almost the same!

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2014/11/10
by Piotr Pisz
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vCloud Director 5.5: balancing traffic through the BIG-IP F5

This topic has been moved online many times, but always worth remembering and refresh knowledge. Especially that new versions appear every now and then, often differing from each other quite a bit. Besides, is that vCloud Director is treated with a slight reluctance by VMware, does not mean that everyone suddenly moved to vCAC. Additionally, I will focus here quite heavily on the balancing traffic to access virtual machines through the Console Proxy (vmrc). On this subject it is difficult to find comprehensive information.

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2014/10/29
by Piotr Pisz
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Terrible upgrade vCenter 5.1U1 to version 5.1U2a.

I recently appeared the service window on the production environment. Quite unexpectedly. Wide enough to use them to carry out long ago deposited vCenter 5.1 upgrade to the latest version. Move from 5.1U1 to  5.1U2a version seems a small step, eh? Nothing could be further from the truth! We had to deal with a two-day horror! In talks with representatives of VMware always praised sure that I do not know what they mean when they talk about the problems with the SSO in 5.1. Until now.

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