vCenter – HA Error: The number of heartbeat datastores for host is 1
The following steps detail how to suppress the vCenter cluster warning: The number of heartbeat datastores for host is 1, which is less than required: 2 You may encounter this […]
Cisco UCS – Determining ESXi FNIC&ENIC via PowerCLI
The following script allows the user to retrieve a listing of Network (ENIC) & Storage (FNIC) firmware drivers installed on Cisco UCS blades at a per vSphere cluster level. You may download the ‘Cisco_FNIC_ENIC.ps1‘ script here: […]
EMC XtremIO: VMware ESXi Multi-Array Settings
The following table represents the recommended VMware vSphere ESXi host settings to be applied when an ESXi host(s) is connected to a single array and also details multi-array settings when at […]
EMC Isilon -Shutdown via CLI
The following procedure uses Isilon CLI commands to shut down the entire cluster. Cluster Shutdown Procedure: 1. SSH connect to node1 of the cluster and log in as the root user. 2. From the command prompt, type the following commands in this order: isi_for_array isi_flush isi config shutdown all If a specific node does not power down follow these steps […]
vCenter 6.0 – Active Directory Identity Source
There are two options for Active Directory Identity Sources with PSC (SSO) 6.0: Active Directory (Integrated Windows Authentication) Active Directory as an LDAP server Note: there are underlying issues using ‘AD Integrated Windows […]
EMC AVAMAR – Login Error Invalid Certificate
This post addresses an issue where you experience the following error while logging into the Avamar Administrator Console: “Invalid Certificate. Install a valid certificate and try again. You can use the Java Control […]
Windows Server – File Share Permissions Not Propagating
If you are experiencing file share permission issues where user permissions are not propagating down to the subfolder level then the following post may help with your troubleshooting. Scenario: While […]
ESXi 6.x -Restart Mgmt Agents via CLI
Experiencing issues connecting to an ESXi host from vCenter Server? A good place to start your troubleshooting is by restarting the ESXi management agents. The following method uses the CLI […]
VMware PowerCLI – Enable/Disable SSH Per vSphere Cluster
The following script allows the user to Enable/Disable SSH at a per vSphere cluster level. You may download the ‘SSH.ps1‘ script here: SSH.ps1 (Remove the .doc extension). The script will begin by prompting you to […]
EMC EHC 3.5 Release
Based on the vSphere v6.0 platform the Enterprise Hybrid Cloud 3.5 solution has a host of new features, code upgrades and converged platforms support which result in an impressive release of […]
Introducing VCE VxRAIL
A Quantum Leap in Hyper-Converged Appliances EMC|VCE and VMware have added a Hyper-Converged Infrastructure Appliance (HCIA) offering named VxRail to the existing CI portfolio of Vblocks, VxBlocks, VxRacks (Blocks,Racks,Appliances). VxRail […]
EMC XtremIO – Smart Zoning Example
The example provided is based on the following design: Dual X-Brick Cluster Cisco MDS Switches – Dual Fabric VMware ESXi 4x Host Environment 4 Smart Zoned Paths per ESXi Host (2 paths […]
EMC RecoverPoint for VMs ESXi Splitter Installation
The following steps detail the installation of the ‘EMC RecoverPoint for VMs’ Splitter VIB on ESXi hosts. The requirement is to Install the ‘RP for VMs’ splitter on each ESXi […]
CISCO MDS 9148 – PortChannel Maximums
An issue I encountered recently was in relation to the number of FLOGIs achievable on a single CISCO 9148 MDS PortChannel running on NX-OS Release 5.2(8e): Cisco MDS NX-OS Release […]
EMC ViPR Controller: Storage-Related Ports
The following list and diagram details the respective storage-related TCP ports that ViPR uses to communicate with a particular EMC Storage product. If a firewall is present between the ViPR […]
EMC XtremIO – VPLEX BackEnd Connectivity Considerations
This post will detail some general best practices for VPLEX Back-end connectivity to an XtremIO storage array. As you will see from the diagrams below each VPLEX director should have […]
EMC VNXe 3200 – Configuration Steps Via UEMCLI (Part1)
There are some minor cli changes with VNXe MCX which I will document as part of this series, for VNXe GEN1 please refer to these earlier posts: EMC VNXe Gen1 Configuration Using Unisphere CLI The initial configuration steps outlined in Part1 : Accept End User License Agreement Change the Admin Password Apply License File Commit the IO Modules Perform a Health […]
EMC ViPR – Cisco IVR Cross-Connect Zoning (VPLEX)
Known ViPR&VPLEX Storage Provisioning Issue: The following error may be encountered while provision a shared VPLEX distributed volume to an ESXi Cluster using ViPR v2.x – 2.3: The reason why […]
EMC UIM/P – Editing The Database
Thank you @CliffCahill for providing this trick! Ensure to back up the UIM/P(Unified Infrastructure Manager for Provisioning) DB before you begin. The following provides detailed steps on how to modify IP settings for ESXi host service offerings stored in the UIM DB. Login to the UIM CLI via putty. #To login to uim voyencedb database: su – pgdba psql voyencedb […]
CISCO MDS – Useful ‘Show’ Commands
CONFIG: show startup-config show running-config show running-config diff show run |include host|gateway|ntp|fcdomain|http|telnet|zoneset|vsan show start |include host|gateway|ntp|fcdomain|http|telnet|zoneset|vsan show install all status show switchname show wwn switch show switch summary show version […]
DavidRing.ie 