vCenter Server and Microsoft SQL Server collation conflicts

vCenter Server and Microsoft SQL Server collation conflicts
vCenter Server deployment, including SQL database installation is often done by VMware administrator. Maybe the most widely used database for vCS is Microsoft SQL Server, as it is very easy to install even without any training on the application. Many times MS SQL Server is installed without paying attention to server collation and this leads ...

Emergency shortcut for vCS VM console 2

Emergency shortcut for vCS VM console
Recently published KB 1026162 article caught my eye, in case your vCenter Server is a VM “Accessing the virtual machine’s console directly from the command line” sounds helpful when poo hits the fan I though. So I did quick proof of concept testing of the idea and documented the results. If your vCS is a ...

List of VAAI capable storage arrays 21

I decided to make a list of storage arrays with VAAI support, or at least with known availability timeframe. Information on this page is gathered directly from storage vendors, please leave a comment if you have any updates to this list. Array When Good Firmware 3PAR Now 2.3.1 MU2 Compellent Q1/2011   EMC CLARiiON CX4 ...

Removing unwanted plug-ins from vCenter Server

Removing unwanted plug-ins from vCenter Server
Have you ever tested out some virtual appliances which have vCenter Server plug-ins? After testing was done you removed virtual appliance but plug-in is still showing up in vCenter Server plug-in manager “available plug-ins” list and you cannot get rid of them? I was getting annoyed with old and unused plugins cluttering the plug-in manager ...

FCoE flow control issue with Cisco Nexus 5000 5

We have been experiencing strange FCoE flow control issue with one ESX 4.1 host connected to a Cisco Nexus 5000 switch. There was no congestion but switch received high amount of pause frames from single CNA port. Of all incoming packets ratio of pause frames was close to 50%, this was enough for switch pause ...

My take on VMworld 2010 Copenhagen 4

My take on VMworld 2010 Copenhagen
Last week was really busy week, I went to VMworld event which was held this time in Copenhagen. This was my third time in this event, and it is every time as exciting. More than 6 000 attendees arrived, which is over 1 000 attendees more than in 2009. I found that Bella Center was ...

Shaping vMotion in 10 Gb networks

Shaping vMotion in 10 Gb networks
More and more companies are moving to 10 Gb networks in their data centers, using either native Ethernet or more recently FCoE. As cost of 10 Gb port is still considerably higher than 1 Gb port, ESX network connectivity design is transforming from dedicated ports for VM and vMotion traffic to sharing only two 10 ...
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