Author Archives: Calvin Scoltock

Get LUN id of Raw Disk Mappings with PowerCLI

Posted on November 27, 2011 by Calvin Scoltock

I had a need to get the LUN id of all of the Raw Disk Mappings for a particular virtual machine running on VMware vSphere. I could see this information within the vSphere Client by editing the setting of the … Continue reading →

Posted in PowerCLI, Storage, VMware | 3 Comments

Get NetApp Volume Options with PowerShell

Posted on November 27, 2011 by Calvin Scoltock

You will need the DataONTap module for Powershell for these commands to work. If you already have the DataONTap modules installed you can load it in your current PowerShell session with the command Import-Module DataONTap You will then need to … Continue reading →

Posted in NetApp, Powershell, Storage | Leave a comment

FCP Partner Path Misconfigured Error

Posted on November 27, 2011 by Calvin Scoltock

If you are receiving FCP Partner Path Misconfigured Errors from your NetApp (or IBM N series) storage you can check with LUNs are being accessed via the partner path by running the lun stats command on the filer with the … Continue reading →

Posted in NetApp, Storage | Leave a comment

ESXi Hosts Becoming Disconnected from vCenter

Posted on November 27, 2011 by Calvin Scoltock

Recently I have been experiencing problems with ESXi 4.1 hosts becoming disconnected from vCenter. Right clicking on the host and selecting Connect does not normally fix the problem. Also logging in directly to the host with the vSphere Client usually … Continue reading →

Posted in VMware, vSphere | 5 Comments

Repeating ADAM_VMwareVCMSDS Error Every Minute in Windows Active Directory Web Services Log

Posted on October 29, 2011 by Calvin Scoltock

I have seen the following error repeat EVERY minute in the Windows Active Directory Web Services Log on Windows 2008 R2 Servers running VMware vCenter 4.1. “Active Directory Web Services encountered an error while reading the settings for the specified … Continue reading →

Posted in Configuration, Installation, VMware, vSphere | Leave a comment

Using Active Directory Authentication with IBM BladeCenter

Posted on October 29, 2011 by Calvin Scoltock

To enable an IBM BladeCenter to use Active Directory for Authentication use the following settings: – Firstly create a group in your Active Directory and add the people who need to access the IBM BladeCenter to this group. Login to … Continue reading →

Posted in Blade, IBM | 1 Comment

ESXi4.1 vMotion using incorrect vmnic

Posted on June 16, 2011 by Calvin Scoltock

I have a number of esxi 4.1 update 1 hosts configured as follows: – vSwicth0 – vmnic0, vmnic1, vmnic2, vmnic 6 – all active VMKernel Port – Management – enabled for Management – Active vmnic0, Standby vmnic2, unused vmnic1 and … Continue reading →

Posted in Configuration, VMware, vSphere | 2 Comments

Storage vMotion taking twice as long when block sizes do not match

Posted on November 25, 2010 by Calvin Scoltock

While trouble shooting performance issues at a customer I noticed in esxtop that the MB written/s were double the MB read/s when performing a Storage vMotion when the block sizes of the source and target datastores where different. The customer … Continue reading →

Posted in VMware, vSphere | Leave a comment

Enabling Domino Transactional Logging on Windows

Posted on October 9, 2010 by Calvin Scoltock

When you enable Transactional Logging for Domino on a Windows platform and restart the Domino server transactional logging still is not enabled. If you issue a show server command on the Domino Console it shows Transactional Logging as still disabled. … Continue reading →

Posted in Domino, IBM, Lotus | 1 Comment

Upgrading Domino Servers on IBM i Platforms

Posted on October 2, 2010 by Calvin Scoltock

Domino on IBM i Platforms allows multiple versions of the Domino code to be loaded and partition server can run at different code levels. When you download the Domino code for IBM i from the IBM Passport Advantage site it … Continue reading →

Posted in Domino, IBM, Lotus | Leave a comment