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 […]
EMC VMAX – Thin Pool Creation and Considerations
Considerations in planning to create Thin Pools: • The underlying structure of Thin Pools are made up of whats called ‘Data Devices’ (TDAT’s). These devices provide the actual physical storage […]
EMC VNX – Second Generation (Rockies)
“32 Cores firing MCx Technology” “Leverage cores and scale them – core scaling to achieve the million IOPS” “Amdahl’s law 80% scaling” “Up to 1.1 million IOPS (I/Os per second) […]
EMC VNX Terminology
Here I have compiled a list of the most commonly used VNX Terms and a brief description of each. Term: Definition SP: Storage Processor – provides access to all external hosts and the file side of VNX. SP A: Storage processor A – Generic term for the first storage processor in VNX for block. SP B: Storage processor B – […]
EMC VNXe – Configuring E-Mail Alerts Via SMTP
The VNXe can send E-mail alerts of system events to a specified IP address when it encounters alerts or error conditions. View and Configure SMTP Server Settings In order to […]
Mapping ESXi Host Device ID’s to EMC VMAX Devices using SYMCLI
The mapping of ESXi host device ID’s to the corresponding VMAX device names is made quite easily through the use of EMC VSI (Virtual Storage Integrator) which can be downloaded […]
EMC VMAX – Solutions Enabler & Unisphere Code Levels Per Enginuity Level
The following tables detail the Minimum required Solutions Enabler & Unisphere code levels per major Enginuity release and the EMC recommended target codes to ensure a stable environment: Note: Check […]
EMC VNX – POOL PERFORMANCE PLANNING
In this post I will give a guideline on how to calculate the required drive count for a VNX Pool based on Throughput performance (IOPS). This is only a Rough-Order-of […]
EMC VMAX – FAST VP Configuration Via SYMCLI
In this post I will detail how to configure EMC FAST VP (Virtual Provisioning) on a VMAX storage array via SYMCLI, you can also use the “EMC Unisphere for VMAX” […]
EMC VNX – Replacing a Failed Disk and Updating Firmware
Replacing a Disk in a VNX is quite a simple task if the correct procedure is followed (Discover the failed drive BED naviseccli -h SP_IP faults -list). In this post […]
Cisco MDS Zoning – RENAME
In this post, I’ll detail some useful commands that can be leveraged to rename Cisco zoning components: FCALIAS ZONE ZONESET RENAME ALIAS FOR HOSTS (vsan id of 10): switch(config)# fcalias rename old-AliasName new-AliasName vsan 10 RENAME ZONES: switch(config)# zone rename old-ZoneName new-ZoneName vsan 10 RENAME ZONESETS: switch(config)# zoneset rename old-ZoneSetName new-ZoneSetName vsan 10 Once complete Activate and Commit these changes: […]
EMC RecoverPoint – Updated FC Port Labeling on RP Gen5 Server
This is one that caught us by surprise! As per previous blog Post “EMC RecoverPoint Architecture and Basic Concepts” this is the port configuration as per the initial release of […]
EMC VNX – Managing Data Mover (Blade) Relationships
Today I had a VNX Data Mover (Blade) slic issue where the failover relationships were not as they should be. The following commands are very useful for checking the relationships […]
EMC Symmetrix VMAX – Viewing Port Details
When building a Vblock720 I use the following information to assist in Zoning and Masking of UCS Blades. In order to gather the wwn’s of all the VMAX front-end director […]
EMC RecoverPoint Journal and Replica Volume – Performance Considerations
In this post I will detail some considerations for RecoverPoint Journal and Replica Volumes from a Performance Perspective. This will give you some insight into the workings and designs that […]
EMC VNX – LUN MIGRATION
This post is a result of having to migrate Cisco UCS Blade boot LUNs between Raid Groups. Both the source and destination were Classic LUNs – RAID Group LUN (FLARE […]
EMC RecoverPoint Considerations for Journal sizing – Protection Windows
A very important consideration is the capacity sizing of your RecoverPoint journals which is done on a per Consistency Group basis. This will dicatate the level of failback allowed (Protection Window) on a per CG configuration. The JV must have the correct performance characteristics in order to handle the total write performance of the LUN(s) being protected (next blog). They […]
EMC RecoverPoint Architecture and Basic Concepts
This is my first blog on RecoverPoint; in this initial post I will detail some of the basic concepts and terminology around RecoverPoint and the GEN 5 hardware appliance specification. […]
DavidRing.ie 