VxBlock & Vblock – Core Storage Systems
A frequent question I receive: “What is the primary production storage system included in a VxBlock / Vblock?” Answer: Note: Enterprise Hybrid Cloud (EHC) STaaS on V(x)Block leverages DellEMC ViPR […]
EMC VNX2 – Drive Layout (Guidelines & Considerations)
Applies only to VNX2 Systems. CHOICES made in relation to the physical placement of Drives within a VNX can have an impact on how the VNX performs. The intention here […]
EMC VNX – SMI-S Configuration & Discovery
The following are some configuration notes for configuring SMI-S to allow communication with the ‘VNX Storage Processors’, SMI-S can then be leveraged by for example VCE Vision or ViPR to configure/report on the VNX array. Before proceeding ensure you have the both VNX Storage Processor A&B IP addresses to hand, the SMI-S host will use these IP’s to allow for […]
EMC VNX – RecoverPoint Enabler Installation
Installing the RecoverPoint Enabler using NAVICLI: Check the list of all ENABLERS currently installed on the VNX: naviseccli -h SP_IP ndu -list A series of rule checks need to be […]
EMC VNX – List of Useful NAS Commands
Verify ‘NAS’ Services are running: Login to the Control Station as ‘nasadmin’ and issue the cmd /nas/sbin/getreason from the CS console. The reason code output should be as follows (see detailed list of Reason Codes below): 10 – slot_0 primary control station 11 – slot_1 secondary control station 5 – slot_2 contacted 5 – slot_3 contacted Complete a full ‘Health […]
EMC VNX – ArrayConfig & SPCollect (Powershell Script)
——————————————————————- Reference: VNX® Command Line Interface Reference for Block: SPCollect : The naviseccli spcollect command selects a collection of system log files and places them in a single .zip file […]
EMC VNX Control Station – Dart Install Error: A valid partition exists on lun 0
Encountered the following error while completing a Fresh Install of Inyo File (Dart) on a VNX VG8 with code level 7.1 (Also experienced the same issue with another system running […]
EMC VNX – MCx Hot Sparing Considerations
MCx has brought changes to the way Hot Sparing works in a VNX Array. Permanent Sparing is now the method used when a drive fails. How Permanent Sparing works: when […]
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 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 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 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 […]
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 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 VNX – FAST CACHE
EMC ‘FAST Cache’ technology gives a performance enhancement to the VNX Storage Array by adding FLASH drives as a Secondary Cache, working hand-in-hand with DRAM Cache and enhancing overall Storage […]
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