Xen Cpu Masking Support

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Understanding Heterogeneous CPU Pooling in XenServer

    https://support.citrix.com/article/CTX127059
    Type 1 requires applying a CPU mask on the joining server to make it compatible with the existing pool, which remains uNetScaler MASked, and is supported automatically using XenCenter. Type 2 requires applying a CPU mask on existing pool hosts to make them compatible with the joining host.

CPU Masking on XenServer 7.x Pool(s) - Miscellaneous ...

    https://discussions.citrix.com/topic/388575-cpu-masking-on-xenserver-7x-pools/
    Jul 24, 2017 · Hi, In our current environment, we have a few smaller pools running XenServer 6.2 & 6.5 (3-4 hosts in each pool. Each pool is a running on different Dell hardware (R710, R720, and R730). With the release of XenServer 7.0, it finally appeared that the CPU masking features required to join thes...

CPU Masking Support in Citrix XenServer 5.6 - DABCC

    http://www.dabcc.com/cpu-masking-support-in-citrix-xenserver-5-6/
    Oct 27, 2010 · Towards the end of the XenServer 5.6 ("Midnight Ride") release we added support for CPU masking features in modern Intel and AMD CPUs. This work was prioritized to …

Issues with cpu masking of AMD processors(opteron 63xx) on ...

    https://support.citrix.com/article/CTX217596
    Unable to add a new server having opteron 6344 processor into an existing pool. Not able to mask the CPU bits properly. Both the CPUs from master server and new server are fully-maskable. When we try to set the CPU feature of new server, we run the command : xe host-set-cpu-features features= 00802009-178bfbff-000837ff-2fd3fbff

How to Use host-cpu-tune to Fine tune XenServer 6.2.0 ...

    https://support.citrix.com/article/CTX139714
    Note: The exclusive pinning functionality provided by host-cpu-tune will honor specific VM vCPU affinity configured using the VM parameter vCPU-params:mask. For more information, refer to the VM Parameters section in the appendix of the XenServer 6.2.0 Administrator's Guide. Using host-cpu-tune. The tool can be found in /usr/lib/xen/bin/host ...

Tuning Xen for Performance - Xen

    https://wiki.xenproject.org/wiki/Tuning_Xen_for_Performance
    iSCSI: the default toolstack in Xen supports using iSCSI disks as storage backends for guests. The performance of iSCSI greatly depends on the capacities of the server and the network components, but if configured properly should provide a performance similar to LVM or ZFS.

CPUs - Citrix Hypervisor HCL - hcl.xenserver.org

    http://hcl.xenserver.org/cpus/
    This page lists the CPU families that are supported with each release of Citrix Hypervisor.



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