Advanced Disk Parameters: the unofficial diagram This is a guest post by Andy Grant. When it comes to understanding complex topics, I find it useful to create a diagram of the concept or system in question. The creative process aids in my understanding and provides a means for discussion and review. In an attempt to wrap […]
Home Lab Gear: Cisco SG300-10 Layer 3 switch gets even better
Home Lab Gear: Cisco SG300-10 Layer 3 switch gets even better This is a guest post by Andy Grant. Vladan has previously covered this great little SMB switch from Cisco in his post My homelab – The Network design with Cisco SG 300 – a Layer 3 switch for €199. Cisco has just released the long […]
PXE Manager Howto: Converting ESX hosts to ESXi
PXE Manager Howto: Converting ESX hosts to ESXi This is a guest post by Andy Grant. PXE Manager was updated last week offering a new feature: ESX to ESXi conversion. With VMware’s push to replace classic ESX with ESXi this feature comes at a good time. Prior to any migration, it is highly recommended to review […]
Using the VMware Guest Console fling in the lab.
Virtual Guest Console Fling. This is a guest post by Andy Grant. The VMware Guest Console was released well over a year ago but never caught my interest until working in my home lab Tuesday night of last week. As a VMware admin or consultant you may or may not be responsible for making large […]
SIOC and Adaptive Queue Depth testing on iSCSI LUNs
SIOC and Adaptive Queue Depth testing on iSCSI LUNs This is a guest post by Andy Grant. This is a continuation of the post Some Answers About Queues: LUN and HBA Queue Depth on ESX(i) Hosts. Questions arose about conflicting support statements for Storage IO Control and in an effort to further the investigation, I have performed […]
Some Answers About Queues: LUN and HBA Queue Depth on ESX(i) Hosts
LUN and HBA Queue Depth on ESX(i) Hosts. This is a guest post by Andy Grant. This article is in response to the post More Questions About Queues: LUN and HBA Queue Depth on ESX(i) Hosts. I previously posed a few questions about the behavior of vSphere’s SIOC and (LUN) Adaptive Queue Depth algorithm and […]
More Questions About Queues: LUN and HBA Queue Depth on ESX(i) Hosts
LUN and HBA Queue Depth on ESX(i) Hosts This is a guest post by Andy Grant. Jason Boche has posted an interesting article on the VMkernel parameter Disk.SchedNumReqOutstanding. I confess that I have never thought much about the setting other than following VMware’s recommendation when changing HBA queue depth. Changing the Queue Depth for QLogic […]
Update to PXE Manager for vCenter Fling
Update to PXE Manager for vCenter Fling This is a guest post by Andy Grant. Max Daneri has released version 4.1 Update 1 of PXE Manager for vCenter. Be sure to uninstall the old version including the client plugin prior to installing the update. For all changes see the changelog. A new feature that caught […]
Avoiding the VMware Compliance Checker Headache – PowerCLI to the rescue.
Avoiding the VMware Compliance Checker Headache – PowerCLI to the rescue. This is a guest post by Andy Grant. In Vladan’s post Free compilance checker for VMware vSphere he introduced one of VMware’s free audit and compliance tools. This can be a great way to kick-start a discussion with your Information Assurance (security) department regarding […]
VMware SRM & HP P4000 VSA Intricacies
VMware SRM & HP P4000 VSA Intricacies This is a guest post by Andy Grant. I have a bad habit of standing up a solution in my home lab, only to tear it down shortly afterwards to play with something new. I have been using EMC’s UBER line of virtual storage appliances (VSAs) for my […]