vmware esxi 5.5 with unsupported SATA and NIC

add unsupported nic and sata controllers to esxi 5.1/5.5

Vmware workstation Linux version cannot bridge to a vlan interface directly

The vmware workstation virtual network editor cannot bridge to a vlan interface

Follow the below procedures :

1. edit /etc/vmware/networking

2. append the line : add_bridge_mapping vlan4 3

3. vmware-networks –stop;vmware-networks –start

4. vmware-networks –status and you will get : Bridge networking on vmnet3 is running

5. select /dev/vmnet3 at your vm settings and it […]

CentOS/RHEL 6 virtualized guest tuning

1.yum install tuned tuned-utils

2. tuned-adm profile virtual-guest

3. dd if=/dev/zero of=tmpfile bs=1M count=1000

See the tables below :

Profile explanation :

default The default power-saving profile. This is the most basic power-saving profile. It enables only the disk and CPU plug-ins. Note that this is not the same as turning tuned-adm off, where […]

Use NOOP I/O Scheduler for virtualized Linux guest with kernel 2.6 guest on vmware

Refer to

The scheduler can be set for each hard disk unit. To check which scheduler is being used for particular drive, run this command:

cat /sys/block/disk/queue/scheduler

For example, to check the current I/O scheduler for sda:

# cat /sys/block/sda/queue/scheduler [noop] anticipatory deadline cfq

In this example, the sda drive scheduler is set to […]

Enhanced vMotion Compatibility (EVC) with creating a cluster or the required license

In short

Edit CPUID Mask in vsphere at “Level 1 section” and for “ecx” :

—- –0- —- —- —- —- —- –0-

VMWare vCenter 5.1 Installation

Increase the tx and rx buffer for vmxnet3 and e1000 virtual NIC for VMWare

To deploy a vm doing routing between virtual NIC, you may need to increase the tx and rx buffers of the NIC to cope with burst traffic.

– To show the current tx and rx buffer of your NIC

ethtool -g eth0

– To increase the tx and rx buffer to the max preset

ethtool […]

Dell Managemnet vCenter Plugin

How to Install Microsoft SQL Server 2008 R2 for VMware vCenter 5