Support for Microsoft Cluster Server (MSCS) in 3.5 update !

I received an email stating the following:
Microsoft Cluster Server is supported with VMware ESX 3.5 Update 1. Support is similar to ESX 3.0.1 with the following additions:

Both 64 bit and 32 bit Windows 2003 guests are supported with MSCS.
Boot from SAN for VMs using MSCS is now supported.
Majority Node Set clusters with application-level replication […]

load balancing active/active SAN’s

Ernst, a regular poster of the Dutch VMug, posted a script for load balancing paths to an active/active SAN. What it does is select the next path for a LUN, in other words if there are four paths LUN1 will be reached via Path1, LUN2 via Path2 etc.
The script, also available for download here:
for PATHS […]

Lefthand’s Virtual San Appliance

At the VMworld I had the opportunity to talk with the Lefthand guys about their products. I hardly see these products in the Netherlands but read some great reviews about their products. One of their products that really caught my attention was and is their Virtual San Appliance or VSA in short. I received a […]

Snapshot Manager for VI3 - NetApp

On the Storage Nuts & Bolts Blog on the NetApp website there’s a sneakpreview on the Snapshot Manager for VI3 by NetApp. Here a couple of outtakes from the original article. Be sure to check the original article because there are also a couple of screenshots in there.
Although from the sound of it, it appears […]

Fiber channel round-robin load balancing

There’s a nice article about “round-robin” load balancing on SystemsArchitech which got me a bit dazzled about this new functionality:
esxcfg-mpath – lun <*.lun> —policy custom –H minq –T any –C 0 –B 2048
The policy states that the LUN should utilize a custom policy that determines which (of two) HBA to utilize based on the minimum […]

Netapp SnapManager for Virtual Infrastructure

Netapp just announced a new product “SnapManager® for Virtual Infrastructure”:
SnapManager for Virtual Infrastructure enables customers to protect their VMware environments with automated data protection and recovery of their virtual machines. SnapManager for Virtual Infrastructure dramatically reduces human error and increases server utilization for application workloads by eliminating the interruptions and performance impact caused by traditional […]

VCB: I forgot all about “automount disable” what now?

Before installing VCB and connecting the proxy host to the SAN you should disable automount via diskpart(cmd, diskpart, automount disable, automount scrub). When you don’t disable automount Windows will signature all “incoming” disks. When this happens the VMware hosts will not recognize the VMFS volumes anymore. But fortunately you can re-label the luns as VMFS.
Check […]