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Thursday, February 19, 2015

SQL commands for information of vCenter Server Database usage

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Let's assume we have simple installation of vCenter Server database leveraging MS SQL Express and we want to know how much database spa...
Wednesday, February 11, 2015

Dell networking optics and cables connectivity guide

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DELL Product Management has just released eternally available guide fro DELL networking optics and cables connectivity. It is very valuable...
Monday, February 09, 2015

How to change VM Network using linux command line?

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Yesterday I read this Cormac's blog post and one of his reader (Philip Orleans) posted following comment ... Just a personal favor, c...
3 comments:
Monday, February 02, 2015

vSphere 6 Announcements

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Bellow is a brief transcript of VMware vSphere 6 related announcements. The list of new features may not be complete because I have noted j...
1 comment:
Wednesday, January 28, 2015

The fastest vMotion over Force10 MXL?

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Here is the question I have got yesterday ... My customer has two M1000e chassis in a single rack with MXL blade switches in fabrics A a...
2 comments:
Monday, January 26, 2015

DELL 13G servers with PERC H730 finally certified for VSAN

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I'm reading and learning about VMware's VSAN a lot. I really believe there will be lot of use cases in the future for software defi...
3 comments:

vCenter SSO: Active Directory as a LDAP Server

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Recently I had a need to use secondary Active Directory (VPOD02.example.com) to my vCenter SSO in the lab which is already integrated with ...
Monday, January 19, 2015

DELL Force10 : DCB configuration - design decision justification and configuration

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Introduction to DCB Datacenter bridging (DCB) is group of protocols for modern QoS mechanism on Ethernet networks. There are four key DCB...
2 comments:
Friday, January 16, 2015

BPDU filter and Forged Transmit on VMware vSwitch to prevent loops

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Do you know there is a potential risk of Spanning Tree loop when someone will do virtual bridging between two vNICs inside VMware vSphere V...
3 comments:
Thursday, January 08, 2015

Can you please tell me more about VN-Link?

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Back in 2010 when I have worked for CISCO Advanced Services as UCS Architect, Consultant, Engineer I compiled presentation about CISCO'...

Dell Virtual Racks

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Virtual racks with Dell equipment are available at  http://esgvr.dell.com/ Dell Server Virtual Rack Direct link to DELL Server Virtual...
Wednesday, December 31, 2014

esxcli formatters

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I have just read great blog post " Hidden esxcli Command Output Formats You Probably Don’t Know " where the author (Steve Jin) ex...
Friday, December 19, 2014

Galera Cluster for MySQL vs MySQL (NDB) Cluster

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In the past, I used to use MySQL database for lot of projects so I was really interested what is the progress in MySQL clustering technolog...
Monday, December 15, 2014

Disk queue depth in an ESXi environment

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On the internet, there are a lot of information and documents about ESXi and Disk Queue Depth but I didn't find any single document exp...
3 comments:
Wednesday, December 03, 2014

Force10: How to prepare logs and configs for DELL tech support

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The command show tech-support will show you all configurations and logs required for troubleshooting on the console. It is usually not  wh...

Force10 switch port iSCSI configuration

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Here is snippet of Force10 switch port configuration of port facing storage front-end port or host NIC port dedicated just for iSCSI. In ot...
4 comments:
Saturday, November 29, 2014

The ZALMAN ZM VE200 SATA hard disk caddy with DVD/HDD/FDD emulation

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I have just bought external USB drive with DVD emulation from ISO file. That's should be pretty handy for OS installs. I'm looking ...
Friday, November 21, 2014

Announcing the VMware Learning Zone

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As a VMware vExpert I had a chance to use beta access to VMware Learning Zone. I blogged about my experience here . VMware Learning Zone ha...

ISCSI Best Practices

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General ISCSI Best Practices Separate VLAN for iSCSI traffic.  Two separate networks or VLANs for multipath iSCSI.  Two separate IP sub...
Saturday, November 15, 2014

How to quickly get changed ESXi advanced settings?

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Below is esxcli command to list ESXi Advanced Settings that have changed from the system defaults: esxcli system settings advanced list -...