Category Archives: Technology

DELL EMC Networker Exchange Directed Restore through Command Line

It is known that DELL EMC Networker performs Exchange database (DAG or Standalone)  restoration through Networker Module for Microsoft (NMM) GUI on the client itself.

However, in some scenarios, directed database restoration is required with urgency. For example, the exchange server is crashed and it is required to restore the database and logs files to another standalone or DAG server.

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VMware PowerCLI Version 6.5.2+ Installation – Online/Offline

From VMware PowerCLI version 6.5.2 and above, the .exe installable package is not available from VMware download site. All the PowerCLI modules are available from https://www.powershellgallery.com/packages/VMware.PowerCLI.

PowerCLI_1

This post is to highlight the online and offline installation procedure for PowerCLI version 6.5.2 and above.

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Cisco MDS Fabric Merge Failure Case

We had ran a MDS fabric merge recently between MDS9509 and MDS9148 and met below two errors during the merging process. These errors could be avoided by configuring the correct setting which is detailed as below:

 

  • Domain ID Configuration

Error Message: %FCDOMAIN-2-EPORT_ISOLATED: %$VSAN 10%$ Isolation of interface port-channel10 (reason: configured domain ID is different from runtime domain ID)

From the log information, it is clear stated that the Domain ID is mis-matched between running-config and local switch configuration. One of the major reasons is the “fcdomain restart” command is not executed after setting the Domain ID. The “fcdomain restart” command basically applies your changes to the runtime settings and align the configured ID and running ID.

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DELL Server Firmware Upgrade by Utilizing DELL Repository Manager

DELL Repository Manager

There are multiple ways to upgrade DELL Server firmware. However, frankly speaking, DELL server upgrade is not easy enough comparing with HP or Cisco Servers. HP provides SPP and Cisco provide HUU/firmware pack for UCS system, which consolidate and align all the driver/firmware to be at the same level to make the upgrade workflow easier. In general, the recommended DELL upgrade workflow and available methods are detailed in the below document.

http://en.community.dell.com/techcenter/extras/m/white_papers/20408841/download.aspx

In this post, we will utilize the DELL Repository Manager to upgrade the Dell Servers.

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PowerCLI Script – VMware Storage vMotion Automation

I recently got a task to migrate more than 100 VMware virtual machine from one sets of datastores to another. In order to automate this process, I draft a simple PowerShell script to perform below tasks:

  1. Utilize CSV file as the input; and
  2. The maximum running parallel storage vMotion sessions can be controlled by input option, this is to avoid storage overhead and minimize the impact on the other running applications.

The script is as below:

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NetApp SolidFire mNode and ActiveIQ Monitoring

StorageReview-NetApp-SolidFire

This post is to outline the key steps to configure mNode and how to connect SolidFire storage to ActiveIQ site. This post is not intended to cover all the details in the NetApp SolidFire deploy guide, user guide documents or other NetApp official documents.

What is SolidFire mNode?

The NetApp SolidFire management node (mNode) is a virtual machine deployed in customer environment to provide below functions:

  • SolidFire Element OS software upgrades;
  • Remote alerting and historical data collection through Active IQ;
  • Remote support tunneling for NetApp Support hands-on access; and
  • Ancillary functions for NetApp SolidFire Plug-in for VMware® vCenter™ functionality and syslog aggregation.

managementnode

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