Cisco MDS – How To Remove Zones from an Active Zoneset
1. Firstly we need to know the specific names of the Zones that we intend to delete. To gather the full list of zone members within a Zoneset run show […]
EMC VMAX – Data Device (TDAT) Draining From A Thin Pool
Draining of a Data Device (TDAT) from a VMAX Thin Pool is a non-disruptive activity, meaning TDAT’s can be removed from a Thin Pool without the need to unbind any […]
EMC VMAX – Access Control Logix (ACLX) Gatekeeper Mapping
Access Control Logix (ACLX) gatekeeper mapping is required for initial device masking configuration on the VMAX via the Administration host and also required for the Control Station when using a […]
CISCO MDS – Verifying VNX & VMAX Connectivity
Somtimes you may have encountered an issue where a VNX/VMAX front-end port gets cabled to the wrong MDS Switch Port that you had designed for and in fact the port […]
EMC VNX&VMAX – Updating EMULEX HBA Firmware On LINUX
Firstly download the latest version from the EMC-approved section of the Emulex website for EMC VNX/VMAX: http://www.emulex.com/downloads/oem-qualified/emc/ In this example we are downloading the Emulex LPe16002 Firmware and BootCode version […]
EMC VNX: Rockies Systems Unexpected Reboot After ~80 Days
Great to hear a non-disruptive upgrade fix has has been made available for this issue. Background The issue is addressed in EMC KB175619 Essentially after approximately 80 Days of runtime […]
EMC Elect 2014
Back in November I was nominated for the EMC Elect Program and last week I received notification welcoming me to the EMC Elect 2014. It is a privilege to be associated with such a great bunch of people and an honor to have been chosen by my peers. The full list of the 80 Elect members can be found here […]
EMC VMAX – Provisioning Meta Volumes and Binding to a Virtual Pool via Unisphere & SYMCLI
While I have covered Auto Meta here there are times when a more granular approach is needed. This may involve creating Meta Members with a different size than what is configured […]
EMC VMAX – Removal Of A TDEV
You may no longer have use for a specific TDEV volume in a Storage Pool and want to free this space to create a new volume or expand an existing volume. These are the steps involved to delete the TDEV and reclaim this space in the Pool. This example details how to delete a single TDEV volume in a Storage […]
EMC UIM/P – Symmetrix VMAX Discovery (Verify SYMAPI Certificates)
During a UIM discovery of an ‘EMC VMAX’ you may encounter the following error: UIM/P – VMAX DISCOVERY ERROR MESSAGE: ================================================================= ================================================================= Action completed successfully… 10.X.X.X: found 1 reachable IP […]
EMC VMAX – 20/40K Back-End Connectivity
Each Engine has two Directors with each Director containing two Back-End Fibre Channel I/O Modules (Labeled MOD0 & MOD1). These modules (also known as DA’s – Disk Adapters) provide Fibre […]
EMC VMAX – Build Location and Model Type
The VMAX Serial Numbers are generated based on build location and model type of the VMAX. If your S/N begins with ‘HK19’ the VMAX was manufactured in Hopkinton, begins with […]
EMC VNX – New Shutdown Options
Note: Please ensure to reference official EMC documentation before proceeding and ensure your system health checks are passed before completing a shutdown. A new feature with the release of VNX […]
EMC VNX – Changing Storage Processor IP & NAME
This is a guideline on how to change the VNX Storage Processor IP and Name via Navicli. Navicli does not require a reboot of the SP after changing the SP […]
EMC VMAX – Avoid Corruption of Unisphere Performance Database by AV Scans
Just a note of caution on how to prevent Anti Virus Scans from causing a possible corruption of the Unisphere for VMAX Performance Database. If using the Unisphere for VMAX Performance feature then please exclude the following directories by editing your Anti Virus scan settings: The data directory and all its subdirectories (<InstallDirectory>\EMC\SMAS\jboss\standalone\data\msq\data) The temp directory (<InstallDirectory>\EMC\SMAS\jboss\standalone\data\msq\temp) Note From EMC: Failing to follow this […]
EMC VMAX – Setting Auto Meta Attributes
This post provides instructions and information around the Symmetrix Auto Meta feature. The Auto Meta feature is a configurable option during the Bin File configuration or the setting can be […]
EMC VNX 7500 – 48GB Memory Configuration
Offered with 05.32 release (INYO) is an expanded memory option on the VNX7500 model. This larger memory option allows for a memory upgrade from 24Gig to 48Gig per Service Processor. […]
EMC VMAX – Vault Overview
What is Vaulting Symmetrix VMAX systems are configured with vault drives on back-end Fibre Channel loops. Vaulting is the mechanism used to protect your VMAX data when: 1. powering down […]
VMware VAAI XCOPY Primitive with VNX OE Release 32
UPDATE: The issue outlined below with code level R32 has now been fixed. This issue is addressed in VNX OE for Block 05.32.000.5.209 (Inyo MR1 SP3). This was covered in […]
EMC VMAX – 10K Zoning with Cisco MDS Switches
In this example I will show how to complete the zoning for a two Host ESX Cluster (ESX01 & ESX02), using a dual Fabric connecting to a EMC VMAX 10K […]
DavidRing.ie 