My little cloud in the virtual world of virtualisation – mainly VMWare and EMC SAN (CX, NS and VNX)
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Category Archives: SAN

Introduction to Storage Networking and Design | Daniels networking blog

5 May, 2015

A nice quick simple introduction to storage and storage networking blog.

Source: Introduction to Storage Networking and Design | Daniels networking blog.

Understanding the EMC VNX/Celerra AntiVirus Agent CAVA: Part 2 – Common Errors – Thulin’ Around

9 June, 2014

Good, easy to follow error message and fixes for the EMC CAVA  (Anti-Virus for the Celerra.

Understanding the EMC VNX/Celerra AntiVirus Agent CAVA: Part 2 – Common Errors – Thulin’ Around.

Useful Celerra / VNX File Commands | The SAN Guy

15 August, 2013

Useful command line reference for the EMC File part of the VNX and NS arrays.

Useful Celerra / VNX File Commands | The SAN Guy.

EMC Community Network – ECN: Need to know the difference between storage pool and RAID group?

11 June, 2013

Need to know the difference between storage pool and RAID group?

via EMC Community Network – ECN: Need to know the difference between storage pool and RAID group?.

A great reply to a posted question – all show in a easy to read table.

Online IOPS Calculator (wmarow.com)

25 April, 2013

A Excellent and hand IOPS calculator over on the site wmarow.com.

It has a number of pre-defined drive type, but you can add your own drives specifications.

wmarows iops calculator.

Adaptive Queueing vs. Storage I/O Control |

23 January, 2013

An excellent and well explained guide for VMWare IO storage control  – how queue depth and queue full conditions are handled.

Adaptive Queueing vs. Storage I/O Control |.

EMC VNX Exam

1 January, 2013

Well, better late, that never!

Bit of news from Dec 2012 – I took and passed my EMC Proven Professional – VNX Specialist  Exam. Or to give it full reference:

(E20-547) VNX Solutions Specialist Exam for Storage Administrators

Tips of anyone also thinking of taking the exam – make sure you read the prerequisites to the course.  Not needed for the course if you have been working on a EMC SAN.  But I did get questions from these as well as the course.

Prerequisites for Course for the above Certification/Exam

* PowerPath Foundations – Self Study
* VNX Foundations
* VNX Block Storage Provisioning Using Unisphere Wizard
* VNX Application Protection Suite Foundations
* VNX Local Protection Suite Foundations
* VNX File Provisioning using Installation Wizard
* VNX Remote Protection Suite Foundations

Another tip that helped me revise for the exam – use the provided EMC practice exam – on the EMC Education site.  At the end of the test – aim to get a score 85%+.  Take not of the review summary – will list all questions that you got wrong with a reference to the module in the course.  I found there was 2-3 areas that I was weak in and spent more time here revising.

I hope this maybe of use to others.