Posted in Uncategorized on November 26, 2009 | Leave a Comment »
Got it delivered this morning, my new QNAP TS-639 Pro Turbo NAS
This is an awesome piece of hardware and software. For 1/3 the price of the new Drobo Elite, and much more featured than an IOmega StorCenter IX4-200d, you have an iSCSI NAS that supports jumbo frame, 2 NICs with built-in failover and load balancing, a full featured UPnP media server, [...]
Posted in Uncategorized on November 23, 2009 | 1 Comment »
The other day I’ve read some blog posts from Scott Drumonds. The information I could get from his posts are extremely valuable especially if you have performance issues.
Let me summarize here what I found the most useful. First let’s have a look at the relevant counters, then let’s look at how to get them using ESXTOP [...]
Posted in Uncategorized on November 21, 2009 | Leave a Comment »
Top 10 SSD OEMs – based on reader search volume in 3rd Quarter 2009 – © STORAGEsearch.com
rank
manufacturer
SSD technology
notes re this quarter…………………………………………….
1
Fusion-io
PCIe SSDs
Same as before.In July 2009 – Fusion-io announced the results of TPC-H benchmark tests sponsored by, and running on, Dell servers, and audited by Performance Metrics, Inc. The tested system achieved 28,772 QphH on [...]
Posted in Uncategorized on November 21, 2009 | Leave a Comment »
Does the fatal gene of ‘write endurance’ built into flash SSDs prevent their deployment in intensive server acceleration applications? That was certainly a show stopper in 2005, but now, with the capacity and the ‘write endurance’ increase, SSD has made through high-end enterprise storage vendors like EMC.
What the ‘write endurance’ all about at first place? You must understand that [...]
Posted in Uncategorized on November 20, 2009 | Leave a Comment »
Here are some the free virtualization tools available out there as listed by David Davis:
VMware vSphere ESXi Free Edition and VMware Go
VMware vMA, vCLI (or command-line interface), PowerCLI, and scripts from the vGhetto script repository such as vSphereHealthCheck
Veeam Monitor (free edition), FastSCP, and Business View
Vizioncore Wastefinder, vConvert SC and Virtualization EcoShell
SolarWinds’ VM Monitor
Trilead VM Explorer
TripWire [...]
Posted in Uncategorized on November 20, 2009 | Leave a Comment »
Herco van Brug from PQR has posted THE article for all VDI admins out there, especially if you are in the process of implementing VDI in your organisation or simply building a PoC.
The article is full of tips and tricks, from how to align the boot disk for a Windows XP template, up to how to configure GPOs for [...]
Posted in Uncategorized on November 17, 2009 | Leave a Comment »
Carter Shanklin, Product Manager of Automating the World, just published a video of his work. Have you ever wanted to automate your tasks by recording your mouse, keyboard and click activities!?
I’m not a script guru, just a script kiddy, re-using others scripts to manage my VMware environments. Althought I can tailor scripts to my needs, there are [...]
Posted in Uncategorized on November 16, 2009 | Leave a Comment »
If you go down the thin provisioning route, you should must monitor the disk usage. Thin provisioning can lead to oversubscription of physical disk space, that is allocating more disk space that you do really have physically and end up with a corrupted VMDK disk for example!
The following alarm triggers are helpful:
Datastore Disk Usage %
Datastore Disk Overallocation %
N.B. Swap [...]
Posted in Uncategorized on November 3, 2009 | Leave a Comment »
Usually we do GB/$ when it comes to buy storage, we want storage space, huge storage space for less money… But sometime we need fast storage, read lots of IOPS, and then comes in the idea of IOPS/$. Usually we quote for 15K disk, in RAID1+0 for maximum performances. Such configurations cost a lot of money! Did [...]
