XenServer Configuration Maximums

I am trying to prepare config maximum for XenServer 5.6 . I will keep it updating till I test it .

For Virtual Machine

*A maximum of 8 VCPUs are supported by XenCenter.
†except for SLES 10 SP1 and RHEL 4.x, which support 3. RHEL 5.0/5.1/5.2 support 3, but can support 7 when the kernel is patched with the Citrix Tools for Virtual Machines. The same applies for Oracle and CentOS 5.0/5.1/5.2

Some 32-bit Windows operating systems can support more than 4 GB of RAM through the use of a special
mode - physical address extension (PAE) mode. Administrators wishing to reconfigure a VM with greater
4 than 4 GB of RAM must use the xe CLI, and not XenCenter, as the CLI does not impose any upper bounds for
memory-static-max

Source is following link

I will update this with XenServer config. 

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How to remove stale Host from XenCenter

Sometime you come across situation where host has not been ejected from the pool master. This host has been shutdown and decommissioned. In such situation stale host will not get out of XenCenter .

 

 

To remove ,try following steps

This needs to be run from windows box where xencenter is installed

xe –s <Pool Master ip address > –u root –pw <password of root pool master >

This will give UUID of stale host as shown below

Now run xe 0s <IP address of pool master > –u root –pw host –forget  uuid=<stale host >

 

 

Cowley : XenServer 5.6 FP1 Release

 Citrix has released  XenServer 5.6 Feature Pack 1  to Citrix.com and MyCitrix.com.
Customers and partners can find the downloads on MyCitrix: https://www.citrix.com/English/SS/downloads/details.asp?downloadId=2306109&productId=683148 as well as through the trial download section from http://www.citrix.com/xenserver
What’s New in this release
Highlights for this release are:
•    Distributed Virtual Switching. Provides distributed, fine-grained networking configuration and control policies, which increase visibility into XenServer virtual networks. Support for the vSwitch has been added as a post-install option on XenServer hosts, as well as a Controller for administration of multiple vSwitches and cross-server internal networks.
Jumbo Frames are now supported for storage networks when the vSwitch is used.
•    VM Protection and Recovery. Configure scheduled snapshots and (optional) archive of virtual machines.
•    Web Self-Service. Provides browser-based access to selected virtual machines by delegated administrators.
•    Boot from SAN with multipathing support. Boot XenServer hosts with HBAs from a SAN, with multipathing support.
•    HA Restart Priority. Configure HA policies to restart specific VM(s) first.
•    Enhanced XenCenter. Including StorageLink configuration entirely within XenCenter, workload reporting for VM utilization and chargeback.
•    Improved MPP RDAC multipathing including path health reporting and alerting in XenCenter.
•    Snapshot improvements. Improved reclamation of space after VM snapshots are deleted, even if the VM is running.
•    Enhanced guest OS support for Windows 7 SP1, Windows Server 2008 R2 SP1, and Suse Linux Enterprise Server (SLES) 11 SP1.
•    Generic Red Hat Enterprise Linux (RHEL) 5.x support. RHEL / CentOS / Oracle Enterprise Linux versions 5.0 to 5.5 support with a generic .RHEL 5. template.
•    Brocade HBA drivers and command-line tools are included in XenServer.
•    Provisioning Services improvements to Windows volume license (MAK and KMS) support.
•    XenDesktop platform enhancements. Provides local host caching of VM images to reduce storage TCO for XenDesktop VDI deployments. (Note: these platform enhancements will be enabled by a future version of XenDesktop).
•    Lab Manager 3.9 Service Pack 1 which includes various updates and bugfixes
More details can be found in the Release notes on the Knowledge Base: http://support.citrix.com/article/CTX127362. Full documentation is accessible through the MyCitrix download page, or on the KB here: http://support.citrix.com/product/xens/v5.6/component/fp1/#tab-doc
StorageLink Version 2.4, along with XS 5.6 FP1, available from https://www.citrix.com/English/ss/downloads/details.asp?downloadId=2306109&productId=683148&c1=pov2301284.
The updated version of StorageLink Version 2.4 includes:
•    Site Recovery support for XenServer virtual machines on LVHD volumes
•    Support for the HP StorageWorks XP 20000 series (including Site Recovery support)
•    Support for Pillar Axiom storage systems
•    Various improvements to overall scalability
•    Various improvements to overall performance
StorageLink Version 2.4 will also be available within Essentials for Hyper-V 5.6 FP2, which is also available for immediate download at https://www.citrix.com/English/ss/downloads/results.asp?productID=1854179&c1=pov2301870
Additional information about StorageLink & Essentials for Hyper-V is available here:
The Eclipse Edoc version of the StorageLink documentation is located here:
http://support.citrix.com/proddocs/index.jsp?lang=en&topic=/essentials-for-hv/storagelink-22.html
Here is a link to more information about Essentials for Hyper-V and StorageLink on Citrix.com > products
http://www.citrix.com/ehv

How to install and configure Citrix license server VPX 1.0

Follow this Citrix article to download the VPX