21-Feb-2010
Posted by : Stephane THIRION
Category : ArchY.net Site, Citrix, Presentation Server 4, Presentation Server 4.5, Windows 2008 R2, XenApp 5, XenApp 6
Tags: Citrix, Microsoft, Tuning Tips, Windows 2008 R2, XenApp
There are many post around to tune Citrix XenApp in many ways and there are even more to tune Microsoft Windows 2008 R2.
I want to begin a new document as we had with Citrix Metaframe 1.8 tuning tips on Microsoft Windows NT4 TSE. This was a great document and very helpfull in many way.
If you have any ideas, agree on what I will write or disagree, I take everything to form a big document available online for everyone.
First I would like to know if we should create a wiki-like to let everyone working on the document and add/change at will, what do you think ?
Which is the best way to realize Citrix XenApp tuning tips
- A wiki where everyone can add/change (69%, 9 Votes)
- A thread on the forum (31%, 4 Votes)
- By email (0%, 0 Votes)
- Another (0%, 0 Votes)
Total Voters: 13
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If you choose other please add a comment bellow !
19-Feb-2010
Posted by : Stephane THIRION
Unattended installation is very usefull in large XenApp farm, of course if you’re deploying one server per two month you might not be interessed by this process automation but this is always interresting to know this kind of tips. Scripts bellow are example I use every day in production to install servers, of course its needs to be change and adapt to your own settings and of course if you have some ideas to share, I take it !
This unattended example assume you have only one network card enable, a local XenApp source installation file and IP address type 192.168.3 / 192.168.10 / 192.168.200 / 10.113 / 10.112. This file allow to join an existing farm named CTX_TEST with a datastore hosted on a SQL server. Finally, you need to create one folder per farm inside your XenApp source folder if you are automating multi farm setup.
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29-Jan-2010
Posted by : Stephane THIRION
Update 2 is already here and is double size vompare to the first one, here is some more informations :
This update resolves the network connectivity issues that affected customers with both IPv4 and IPv6 network interfaces enabled who installed Update 1. This issue is described in XenServer 5.5 Update 1 Upgrade Causes Virtual Machines to Lose Network Connectivity.
Additional Changes in Update 2
Addressed an issue where the system was falsely reporting lost access to the HA metadata disk.
Fixed issues upgrading from XenServer 5.0 to the roll-up ISO for XenServer 5.5.
In addition, the XenServer 5.5 documentation was rereleased to coincide with Update 2. While the changes in the documentation are not significant, there are some differences between XenServer 5.5 and XenServer 5.5, Update 2.
You can download it here : http://support.citrix.com/article/CTX124027
You can download the updated ISO files here : http://downloadns.citrix.com.edgesuite.net/4701/XenServer-5.5.0-Update2-install-cd.iso
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22-Dec-2009
Posted by : Stephane THIRION
Category : Citrix, Merchandising Server, Microsoft, Password Manager, WebInterface 5.x, Windows 2008 R2, XenApp 6
Tags: Citrix, Citrix Merchandising Server, Password Manager, Single Sign On, UPM, User Profile Manager 3.x, webinterface 5, WebInterface 5.3, XenApp 6
The Citrix XenApp 6 Technical Preview is now available and works fine, even if there are some “bugs” I haven’t notice yet a BIG problem. Anyways, XenApp 6 is the most important component of this new release because it goes along with Microsoft Windows 2008 R2, but there are many other new stuff like WebInterface 5.3, Single Sign On 4.8, User Profile Manager 3, unified administration console (Yes !), Merchandising Server 1.2 and many other things Sridhar Mullapudi list in his post here : http://community.citrix.com/display/ocb/2009/12/15/XENAPP+SNEAK+PEEK+-+XenApp+for+Windows+Server+2008+R2
I will bring some lights about what you can find in the 2,5Gb iso file and compare what’s new and different with what we are use to administrating every day.
More users, faster logons- Get up to 20% more users per server with XenApp on the R2 platform and faster logons with new Profile management streaming technology that improves user profile load times by up to 80%.
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16-Dec-2009
Posted by : Stephane THIRION
Citrix release today the first update for XenServer 5.5 :
Changes included in this update
LVHD Snapshots
When LVHD snapshots are deleted, disk space is reclaimed by freeing unused snapshot data. This is provided automatically by XenServer while VMs continue to run. However, there is a known limitation in the 5.5 implementation of this feature: when all snapshots are deleted for a given VM?s disks, some disk space allocated to these snapshots may remain. To address this limitation, Update 1 includes an ‘Off-line Coalesce’ tool that can reclaim all disk space previously allocated to deleted snapshots while the VM is temporarily set offline. The Off-line Coalesce tool and its use are described in full in an associated KB article: CTX123400.
XenCenter Improvements
CA-30569, CA-32164, CA-30200
Fixed various ‘Application Errors’ in XenCenter.
CA-32241
XenCenter saved searches are now visible under ‘Apply Saved search’ and ‘Delete saved search’ options.
CA-33918
Big improvements to XenCenter performance when connecting to multiple pools.
Storage
CA-30577
Snapshot errors after upgrade from 5.0 to 5.5. Previously released as hotfix XS55E001 and documented in KB article CTX122142.
CA-24607
When multipathing is disabled, then this information is now correctly displayed in XenCenter.
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16-Dec-2009
Posted by : Stephane THIRION
Here it is ! We were waiting for this one since few month now and Citrix just release the Technical Preview for XenApp on Microsoft Windows 2008 R2, XenApp 6.
Few things you need to know before beggining to test : Windows 2008 R2 is and will remain only 64bit OS. XenApp 6 can be install only on Windows 2008 R2.
I begin this insallation on a clean naked Windows 2008 R2 without any update. You can check teh system requirements here : http://support.citrix.com/proddocs/topic/xenapp6-w2k8-tp/ps-system-requirements-w2k8-xa6.html
First, few screenshots of the new installation interface to describe the installation process.
DotNet 3.5 Sp1 is updated as soon as the installation beggins, after a new white interface very easy to understand popup and you can choose between reading some more information about what you’re going to install or adding roles to your server.
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23-Nov-2009
Posted by : Stephane THIRION
Category : Citrix, Microsoft, Presentation Server 4, Presentation Server 4.5, Provisioning Server 5, Receiver, Windows 2003, Windows 2008, Windows 7, Windows Mobile 6.5, Windows XP, XenApp 5, XenApp Plugin
Tags: ICA Client, ICA version, Online Plug-in, Using Edgesight, XenApp Plugin
This information can be very useful, because as you might know, there are build numbers and version numbers, and it become a mess very fast when you try to list all ICA client version connecting your Citrix Presentation / XenApp servers.
4.00.581
4.00.686
4.20.715
4.20.727
4.20.741
4.21.779
6.00.910
6.01.963
6.01.964
6.01.967
6.20.985
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01-Nov-2009
Posted by : Stephane THIRION
16-Oct-2009
Posted by : Stephane THIRION
I have a new issue… I am updating all Edgesight XenApp agents to 5.2 and I have problem on only some servers. These servers have remapped drivers ( m: & n: ) and run Windows 2003 R2 Sp2. The installation is successful without any error but after a reboot the service doesn’t want to start with the message : “The Citrix System Monitoring Agent service on Local Computer started and the stopped…”
In Event Logs
Type: Error
Event Source: Citrix System Monitoring Agent
Event Category: None
Event ID: 34
Date: 16/10/2009
Time: 09:49:32
User: AUTORITE NT\SYSTEM
Computer: EMCXPA000
Description:
The Citrix System Monitoring Agent was unable to startup. Please consult the Sys_event_txt.txt agent log in your data directory for details.
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