Have you enabled huge page on the host level? Do you have enough vn.nr_hugepages? As per your requirements, you need a host with 512 hugepage (1G/2M). Check your host's /etc/sysctl.conf file and see vm.nr_hugepages value.
On Aug 25, 2016 1:15 PM, "zhi" <[email protected]> wrote: > hi, all > > I plan to create VM with huge page. And I created a new flavor like > this: > > $ nova flavor-show ed8dccd2-adbe-44ee-9e4f-391d045d3653 > +----------------------------+------------------------------ > ------------------------------------------------------------ > -------------------+ > | Property | Value > | > +----------------------------+------------------------------ > ------------------------------------------------------------ > -------------------+ > | OS-FLV-DISABLED:disabled | False > | > | OS-FLV-EXT-DATA:ephemeral | 0 > | > | disk | 30 > | > | extra_specs | {"aggregate_instance_extra_specs:pinned": > "true", "hw:cpu_policy": "dedicated", "hw:mem_page_size": "2048"} | > | id | ed8dccd2-adbe-44ee-9e4f-391d045d3653 > | > | name | m1.vm_2 > | > | os-flavor-access:is_public | True > | > | ram | 1024 > | > | rxtx_factor | 1.0 > | > | swap | > | > | vcpus | 4 > | > +----------------------------+------------------------------ > ------------------------------------------------------------ > -------------------+ > > Then I create a VM by using this flavor and creating fail. The error > message is : > " > {"message": "Build of instance ada7ac22-1052-44e1-b4a5-c21221dbab87 was > re-scheduled: Insufficient compute resources: Requested instance NUMA > topology cannot fit the given > host NUMA topology.", "code": 500, "details": " File > \"/usr/lib/python2.7/site-packages/nova/compute/manager.py\", line 1905, > in _do_build_and_run_instance > " > > And, my compute node's numa info is: > > $ numactl --hardware > available: 2 nodes (0-1) > node 0 cpus: 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 > node 0 size: 32543 MB > node 0 free: 28307 MB > node 1 cpus: 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 > node 1 size: 32768 MB > node 1 free: 29970 MB > node distances: > node 0 1 > 0: 10 21 > 1: 21 10 > > Qemu version is "QEMU emulator version 2.1.2 > (qemu-kvm-ev-2.1.2-23.el7.1)". And libvirtd version is "1.2.17". > > > Did anyone meet the same error like me? > > > > B.R. > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: [email protected]?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > >
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