Cisco MDS port groups. Make the right choice!

When refreshing your storage and backup environment, you mostly wish to refresh your SAN infrastructure. When using Brocade switches / directors, you know that you have an line rate switch, without sharing bandwidth between the different ports. But what if I have a Cisco MDS switch? Continue reading

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Cisco MDS 9506 extended B2B credits, hidden command

When you need an ISL for a long distance, especially when you desire 8Gb connections, you need a large amount of buffer to buffer credits. On a Cisco MDS 9506 director, when configuring the port as an E port, you’ll get 500 credits. Continue reading

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Networker 8.1.1 with EBR version 1.0.1.9 retention hotfix

In my previous posts I warned you for a bug when using Networker 8.1.1 VMware Protection Policies combined with the EMC Backup & Recovery Appliance version “EBR-0.5TB-1.0.1.9.ova”. Custom made Time Policies do not seem to function properly, giving me expiration times in the past, while the built in Policies do work properly as expected. Continue reading

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Networker 8.1.1 with EBR / VBA / DD “to keep in mind”

In my previous post I showed how you can integrate Networker, the EMC Backup & Recovery appliance and Data Domain giving you one integrated solution for protecting your vSphere environment. Here I summarize some stuff you can use when implementing the solution. Inside this post I will use the term VBA for Virtual Backup Appliance, also called the EMC Backup & Recovery appliance. Continue reading

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Implementing Networker, VBA and Data Domain

When using Networker 8.1 (in our case SP1) you can combine it with the Virtual Backup Appliance (EBR) and Data Domain to really get an integrated backup solution for your virtual environment. In our situation we are protecting a virtual environment hosted on a VPLEX Metro cluster using distributed volumes spanning 2 sites. Inside this post I will summarize the steps and show the things to keep in mind. Continue reading

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New EMC VNX Series features

The new EMC VNX series storage arrays are available for distribution. EMC likes to present them as the new generation VNX storage arrays and I think there are some cool new features available making this VNX series really “new generation”. Inside this post, I will show some new features that I think are really cool. The new VNXe and Gateway systems are out of scope regarding this post. Besides this, I will not discuss the detailed differences between the new VNX models. Continue reading

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Allowing snapshotted VMFS datastores

When performing a Disaster Recovery test for example on a VMware vSphere environment in combination with a synchronous mirror setup on a EMC Clariion / VNX, you want to use the snapshot functionality to minimize the impact on your active mirror relationships. Continue reading

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EMC VNX DR testing using Powershell

When you have a synchronous Mirrorview setup for the VNX or Clariion, you like to be able to perform some Disaster Recovery testing once in a while. When you have many replicated LUN’s, scripting can speed up some things for you regarding the Snapview configuration steps. Inside this post, I will show a Powershell script I created for automating some steps on the storage array resulting in presenting the snapped LUN’s to a VMware vSphere environment for example. Continue reading

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Powershell & Robocopy: Migrating file services

In my previous post I explained how to be able to create a nice and structured folder layout following Microsoft’s AGDLP rules, fully automated using powershell, Robocopy and Excel. Inside this post, I will present another powershell script for migrating multiple and different file services to this new structure. Continue reading

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Automated AGDLP implementation using Powershell

When migrating your Microsoft based folder structure to a new environment, this is mostly the perfect moment for finally implementing a nice and structured AGDLP structure, making your new environment manageable and scalable for the future. Inside this post, I will summarize the steps I take for migrating to this new structured implementation using a collection of different powershell scripts. Continue reading

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