Microsoft Hyper-V Dynamic Memory vs. VMware Memory Overcommit
In an attempt to provide higher levels of server consolidation, both Microsoft and VMware have developed their own solution for higher utilization of Random Access Memory (RAM). VMware’s Memory Overcommit has been available for quite some time, while Dynamic Memory is a new player. How do they compare?
VMware Memory Overcommit
I have always been amazed by VMware’s success with the Memory Overcommit technique, and the ability...
Friday, October 21, 2011
Friday, September 30, 2011
Monday, September 26, 2011
7:27 AM
SADBAD
Configuring the ESXi firewall in VMware vSphere 5
VMware vSphere 5 features a new ESXi firewall that you can configure though the vSphere Client or command line. The addition brings a feature to ESXi 5 that was previously found only in the recently discontinued ESX hypervisor. VMware argued that ESXi didn't require a firewall, because the lightweight hypervisor had hardly any services or ports open, leaving it with almost nothing to attack.
I believe VMware added a firewall to ESXi 5 for...
7:20 AM
SADBAD
As I was wading thru all of the new materials from yesterday, I thought it would be helpful to create a big list of all of the new features in vSphere 5.0. There were really only a few named in the presentation (or else the preso would have been 3 hours and put the analysts to sleep). While we wait for the release notes, I put together this list for you. This is not every new feature, but rather as many as I could find or remember. I’ve also added a quick blurb on...
Tuesday, September 20, 2011
11:00 AM
SADBAD
LVM CONFIGURATION ON LINUX
1 LVM Layout
Basically LVM looks like this:
You have one or more physical volumes (/dev/sdb1 - /dev/sde1 in our example), and on these physical volumes you create one
or more volume groups (e.g. fileserver), and in each volume group you can create one or more logical
volumes. If you use multiple physical volumes, each logical volume can be
bigger...
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