a few days ago I blogged about the new version of XenServer Workload balancing 6.5 and some features highlighted that I thought were particularly interesting for XenDesktop and XenApp users read explore.
In my last blog post (which you I here), covered, such as the recent release of a new version of XenServer 6.5 and a new version of WLB adds more functionality to create a better user interface, improved monitoring functionality and changes when licensing, which make it more users on the XenServer platform relevant, including those with Citrix XenDesktop HDX and XenApp.
license changes represent this product is now available for free for XenDesktop and XenApp customers. I'm really excited about this product and since its release have some ideas of applications in which I might think it solve some problems that I have seen in the region, issues that a system administrator may need to be answered:
I can WLB for general administration and maintenance tasks?
Yes, you can and some administrators are already doing this, users XenDesktop Posts Tips Siva Mulpuru are in migrations, respect sometimes involved to control which hosts with WLB such use WLB to do this, you can more read on his blog here.
I can prove to the budget owner that yes I need a larger hardware budget?
The historical reports WLB can produce ready PDF format in management or as a raw Excel data for further analysis and graphing; Administrators allow their farms reached capacity and the business case for additional hardware and infrastructure changes.
Which department our hardware and network capacity used, and they should pay for this use make it too easy, where?
Many of our enterprise customers are extremely large organizations, some with more than 500000+ employees and numerous departments and budgets. The chargeback capabilities of WLB allow companies that manage accounting internal accounting and budgets internally based on a number of system resources.
Is there any evidence from Tony Finance spends actually all day watching golf on YouTube, as we all have long suspected?
WLB is very good at highlighting abnormal VDI resource usage when Tony should really use most of the time Excel and Outlook and its CPU and network usage suggests otherwise it can be a useful tool be give Tony a subtle hint!
How can remain stable the farm when someone sends video to the entire company Corporate?
XenApp administrators quite often see a scenario in which the user will come in at the beginning of the day and then sign, check their e-mail, go have a coffee, run a little editing of Word document, then at 11 o'clock half a company logs on video intensive management webinar. This can cause a "storm" in the server resource. WLB can help in a number of ways:
- alerts the administrator rose to the fact resource has
- recommendations make as a user VMs can move freely to alleviate
- Automate the movement of these VMs to the load, as well as possible to spread
- WLB allows administrators to free capacity on off servers to keep energy savings and TCO to reduce and these servers in operation since the demand increases bring
It is worth mentioning that XenApp users are assigned to a number of optional parameters to the maximum from the available capacity on VMs new users to ensure logging (find out more here).
Can I save the planet?
, the power management capability of WLB allows VMs are placed server density to maximize and thus spare capacity set on servers that are turned off. save electricity, cutting electricity bills (and costs) and, of course, to help a little to save the planet by making the farm more environmentally friendly!
today is normal for my XenDesktop / XenApp farm?
Many XenDesktop and XenApp installations have a normal daily usage patterns. WLB has to raise some capacity warnings, recommendations and take corrective action within a single operation on the basis of historical trends, in which it is installed. I recommend to the operating instructions for the case study describes a normal "Wednesday" ... to read the section 5.1.1.1.1 of this.
- For example, if the CPU usage on the host exceeds the high threshold, at 12:02 on Thursday, the Workload Balancing data usage at 11:32 AM on Thursday, and checked at 12:02 on Wednesday (the day before). If the CPU utilization of 80.1%, at 12:02 AM, but only 50% at 11:32 AM, and 78% at 12:32 PM on Wednesday, Workload Balancing will not make a recommendation. This is because the historically averaged utilization is 72.47%, so Workload Balancing assumes the utilization is a temporary peak. if the CPU utilization 78%, at 11:32 AM, however, was Workload Balancing would make a recommendation since the historically averaged utilization of 80.1% is.
This type of trend based Alarm helps administrators temporary demand peaks known as the handle 09.00 Application boot storm.
how can I better handle fluctuations?
The following is a brilliant system administrator, they are trained and understand your operation and use well - and then to end it and leave! The history maintained by WLB and the ability to configure thresholds that warnings can increase, while allowing coordinated expertly maintained thresholds that can alert less experienced staff problems you train new employees on the specifics of farm help.
Learn more
- If you have any questions on our XenServer forums you post, where developers, support and product management as well as existing users leave comments and answer questions, just post here
- Citrix XenServer Workload balancing 6.5 Quick Start Guide. http://support.citrix.com/article/CTX141852
- Citrix XenServer Workload Balancing 6.5 User: http: //support.citrix.com/article/CTX141853
- Upgrading to Citrix XenServer Workload balancing 6.5: http://support.citrix.com/article/CTX141838
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