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How To Migrate To New WWN’s on VNX

Overview This document covers how to add a host initiator that is not logged into the fabric or VNX. The reason we would do such an operation is when systems (Blades) are moved to another chassis or HBA cards replaced that change the WWN, that will allow the system to login and see the assigned storage. This is useful in network refreshes and in addressing hardware failures. Several items are needed... read more

Using fsutil to Manage Windows Filesystems

Introduction Fsutil performs tasks that are related to file allocation table (FAT) and NTFS file systems, such as managing reparse points, managing sparse files, or dismounting a volume.   Command Syntax Fsutil 8dot3name Queries or changes the settings for short name behavior on the system, for example, generates 8.3 character-length file names. Removes short names for all files within a directory.... read more

How To Install and Config PowerPath on RHEL

Introduction PowerPath is EMC licensed software for managing SAN attached storage on your systems. In this post we will cover how to install, license and scan for newly attached storage. Prerequisites Download the PowerPath software from EMC powerlink website. If you’ve purchased EMC support, you should have access to powerlink. For RHEL 4 EMCpower.LINUX-5.3.0.00.00-185.rhel.x86_64.rpm... read more

Retrieving EMC and Qlogic Fiber WWN on RHEL

Introduction So you need to add storage to a RHEL (RedHat Enterprise Linux) server and the storage guy has asked you for the WWN.  The question next is how do I get the WWN off my server? So how do we get QLogic and EMC WWN’s on RHEL. It is a lot easier than one might think. Let’s move forward and get the WWN information we need! Qlogic First identify your installed or recognized, this is... read more

How to List the TDEV Members of a META on VMAX

Introduction So you have created a META and have come to a point where you need to know what TDEV are a member. Either need it for reclaiming of space or any other option.In this post we will explore several commands to get the information you are looking for. Get META Members from a META First list all the meta’s that are in use on the VMAX and look for the device you are interested in getting data... read more

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