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How to Change FA Ports on an Existing VMAX PortGroup

Introduction You have a situation on your VMAX where the port utilization is up and you would like to move the FA ports assigned to a PortGroup moved to a lesser utilized set on you switch. In this post we will cover how to move to a new port group and fix the mapping of all attached devices on your EMC VMAX. We will cover unmapping ports and fixing zoning. Process First part of the puzzle to create new... read more

Using EMC PowerPath Migration Enabler for Storage Migrations on Windows

Introduction This post covers the use of PowerPath Migration Enabler to migrate files and programs from old to new disks without interruption on Windows servers. If you are migrating to new storage, this is a very handy thing to have. You must have PowerPath 5.7 SP2 or higher installed with the PowerPath Migration Enabler license key enabled on the host. Process The Process Before we start you will need... 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 use diskpart to get disk information

Introduction In this short post we will useĀ diskpart to get disk information on a Windows server. Command Scenarios So let’s cover a few scenarios using diskpart. Open a command prompt and type diskpart to start using the command. C:\> diskpart Using the list disk command we can get back the information on the disks available on the system for viewing and manipulation. DISKPART> list disk Disk... read more

How To Remove SAN Attached LUNs from RHEL 5 Servers Using powermt

Introduction It is one of those rare occasions where you get to reclaim SAN attached storage instead of giving more. From the EMC side of it you would think no problem. Remove the host from the storage group and un-mount and re-scan on the host and all is good, right? Well no, up rises device in use or not found and powermt check command won’t work. So how do we do it? Read on and see. Steps Several... read more

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