[ovirt-users] Re: Need to enable STP on ovirt bridges

On Fri, Aug 23, 2019 at 5:41 PM Curtis E. Combs Jr. <ej.albany(a)gmail.com&gt; wrote: > Also, if it helps, the hosts will sit there, quietly, for hours or > days before anything happens. They're up and working just fine. But > then, when I manually migrate a VM from one host to another, they > become completely inaccessible. > > Can you share some details about your storage? Maybe there is a feature used during live migration, which triggers the issue. > These are vanilla-as-possible CentOS7 nodes. Very basic ovirt install > and configuration. > > On Fri, Aug 23, 2019 at 11:33 AM Curtis E. Combs Jr. > <ej.albany(a)gmail.com&gt; wrote: > > > > Hey Dominik, > > > > Thanks for helping. I really want to try to use ovirt. > > > > When these events happen, I cannot even SSH to the nodes due to the > > link being down. After a little while, the hosts come back... > > > > On Fri, Aug 23, 2019 at 11:30 AM Dominik Holler <dholler(a)redhat.com&gt; > wrote: > > > > > > Is you storage connected via NFS? > > > Can you manually access the storage on the host? > > > > > > > > > On Fri, Aug 23, 2019 at 5:19 PM Curtis E. Combs Jr. < > ej.albany(a)gmail.com&gt; wrote: > > >> > > >> Sorry to dead bump this, but I'm beginning to suspect that maybe it's > > >> not STP that's the problem. > > >> > > >> 2 of my hosts just went down when a few VMs tried to migrate. > > >> > > >> Do any of you have any idea what might be going on here? I don't even > > >> know where to start. I'm going to include the dmesg in case it helps. > > >> This happens on both of the hosts whenever any migration attempts to > start. > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> [68099.245833] bnx2 0000:01:00.0 em1: NIC Copper Link is Down > > >> [68099.246055] internal: port 1(em1) entered disabled state > > >> [68184.177343] ixgbe 0000:03:00.0 p1p1: NIC Link is Down > > >> [68184.177789] ovirtmgmt: port 1(p1p1) entered disabled state > > >> [68184.177856] ovirtmgmt: topology change detected, propagating > > >> [68277.078671] INFO: task qemu-kvm:8888 blocked for more than 120 > seconds. > > >> [68277.078700] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > >> disables this message. > > >> [68277.078723] qemu-kvm D ffff9db40c359040 0 8888 1 > 0x000001a0 > > >> [68277.078727] Call Trace: > > >> [68277.078738] [<ffffffff978fd2ac>] ? avc_has_perm_flags+0xdc/0x1c0 > > >> [68277.078743] [<ffffffff97d69f19>] schedule+0x29/0x70 > > >> [68277.078746] [<ffffffff9785f3d9>] inode_dio_wait+0xd9/0x100 > > >> [68277.078751] [<ffffffff976c4010>] ? wake_bit_function+0x40/0x40 > > >> [68277.078765] [<ffffffffc09d6dd6>] nfs_getattr+0x1b6/0x250 [nfs] > > >> [68277.078768] [<ffffffff97848109>] vfs_getattr+0x49/0x80 > > >> [68277.078769] [<ffffffff97848185>] vfs_fstat+0x45/0x80 > > >> [68277.078771] [<ffffffff978486f4>] SYSC_newfstat+0x24/0x60 > > >> [68277.078774] [<ffffffff97d76d21>] ? > system_call_after_swapgs+0xae/0x146 > > >> [68277.078778] [<ffffffff97739f34>] ? > __audit_syscall_entry+0xb4/0x110 > > >> [68277.078782] [<ffffffff9763aaeb>] ? > syscall_trace_enter+0x16b/0x220 > > >> [68277.078784] [<ffffffff97848ace>] SyS_newfstat+0xe/0x10 > > >> [68277.078786] [<ffffffff97d7706b>] tracesys+0xa3/0xc9 > > >> [68397.072384] INFO: task qemu-kvm:8888 blocked for more than 120 > seconds. > > >> [68397.072413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > > >> disables this message. > > >> [68397.072436] qemu-kvm D ffff9db40c359040 0 8888 1 > 0x000001a0 > > >> [68397.072439] Call Trace: > > >> [68397.072453] [<ffffffff978fd2ac>] ? avc_has_perm_flags+0xdc/0x1c0 > > >> [68397.072458] [<ffffffff97d69f19>] schedule+0x29/0x70 > > >> [68397.072462] [<ffffffff9785f3d9>] inode_dio_wait+0xd9/0x100 > > >> [68397.072467] [<ffffffff976c4010>] ? wake_bit_function+0x40/0x40 > > >> [68397.072480] [<ffffffffc09d6dd6>] nfs_getattr+0x1b6/0x250 [nfs] > > >> [68397.072485] [<ffffffff97848109>] vfs_getattr+0x49/0x80 > > >> [68397.072486] [<ffffffff97848185>] vfs_fstat+0x45/0x80 > > >> [68397.072488] [<ffffffff978486f4>] SYSC_newfstat+0x24/0x60 > > >> [68397.072491] [<ffffffff97d76d21>] ? > system_call_after_swapgs+0xae/0x146 > > >> [68397.072495] [<ffffffff97739f34>] ? > __audit_syscall_entry+0xb4/0x110 > > >> [68397.072498] [<ffffffff9763aaeb>] ? > syscall_trace_enter+0x16b/0x220 > > >> [68397.072500] [<ffffffff97848ace>] SyS_newfstat+0xe/0x10 > > >> [68397.072502] [<ffffffff97d7706b>] tracesys+0xa3/0xc9 > > >> [68401.573141] bnx2 0000:01:00.0 em1: NIC Copper Link is Up, 1000 > Mbps > > >> full duplex > > >> > > >> [68401.573247] internal: port 1(em1) entered blocking state > > >> [68401.573255] internal: port 1(em1) entered listening state > > >> [68403.576985] internal: port 1(em1) entered learning state > > >> [68405.580907] internal: port 1(em1) entered forwarding state > > >> [68405.580916] internal: topology change detected, propagating > > >> [68469.565589] nfs: server swm-01.hpc.moffitt.org not responding, > timed out > > >> [68469.565840] nfs: server swm-01.hpc.moffitt.org not responding, > timed out > > >> [68487.193932] ixgbe 0000:03:00.0 p1p1: NIC Link is Up 10 Gbps, Flow > > >> Control: RX/TX > > >> [68487.194105] ovirtmgmt: port 1(p1p1) entered blocking state > > >> [68487.194114] ovirtmgmt: port 1(p1p1) entered listening state > > >> [68489.196508] ovirtmgmt: port 1(p1p1) entered learning state > > >> [68491.200400] ovirtmgmt: port 1(p1p1) entered forwarding state > > >> [68491.200405] ovirtmgmt: topology change detected, sending tcn bpdu > > >> [68493.672423] NFS: nfs4_reclaim_open_state: Lock reclaim failed! > > >> [68494.777996] NFSD: client 10.15.28.22 testing state ID with > > >> incorrect client ID > > >> [68494.778580] NFSD: client 10.15.28.22 testing state ID with > > >> incorrect client ID > > >> > > >> > > >> On Thu, Aug 22, 2019 at 2:53 PM Curtis E. Combs Jr. < > ej.albany(a)gmail.com&gt; wrote: > > >> > > > >> > Thanks, I'm just going to revert back to bridges. > > >> > > > >> > On Thu, Aug 22, 2019 at 11:50 AM Dominik Holler < > dholler(a)redhat.com&gt; wrote: > > >> > > > > >> > > > > >> > > > > >> > > On Thu, Aug 22, 2019 at 3:06 PM Curtis E. Combs Jr. < > ej.albany(a)gmail.com&gt; wrote: > > >> > >> > > >> > >> Seems like the STP options are so common and necessary that it > would > > >> > >> be a priority over seldom-used bridge_opts. I know what STP is > and I'm > > >> > >> not even a networking guy - never even heard of half of the > > >> > >> bridge_opts that have switches in the UI. > > >> > >> > > >> > >> Anyway. I wanted to try the openvswitches, so I reinstalled all > of my > > >> > >> nodes and used "openvswitch (Technology Preview)" as the > engine-setup > > >> > >> option for the first host. I made a new Cluster for my nodes, > added > > >> > >> them all to the new cluster, created a new "logical network" > for the > > >> > >> internal network and attached it to the internal network ports. > > >> > >> > > >> > >> Now, when I go to create a new VM, I don't even have either the > > >> > >> ovirtmgmt switch OR the internal switch as an option. The > drop-down is > > >> > >> empy as if I don't have any vnic-profiles. > > >> > >> > > >> > > > > >> > > openvswitch clusters are limited to ovn networks. > > >> > > You can create one like described in > > >> > > > https://www.ovirt.org/documentation/admin-guide/chap-External_Providers.h... > > >> > > > > >> > > > > >> > >> > > >> > >> On Thu, Aug 22, 2019 at 7:34 AM Tony Pearce <tonyppe(a)gmail.com&gt; > wrote: > > >> > >> > > > >> > >> > Hi Dominik, would you mind sharing the use case for stp via > API Only? I am keen to know this. > > >> > >> > Thanks > > >> > >> > > > >> > >> > > > >> > >> > On Thu., 22 Aug. 2019, 19:24 Dominik Holler, < > dholler(a)redhat.com&gt; wrote: > > >> > >> >> > > >> > >> >> > > >> > >> >> > > >> > >> >> On Thu, Aug 22, 2019 at 1:08 PM Miguel Duarte de Mora > Barroso <mdbarroso(a)redhat.com&gt; wrote: > > >> > >> >>> > > >> > >> >>> On Sat, Aug 17, 2019 at 11:27 AM <ej.albany(a)gmail.com&gt; > wrote: > > >> > >> >>> > > > >> > >> >>> > Hello. I have been trying to figure out an issue for a > very long time. > > >> > >> >>> > That issue relates to the ethernet and 10gb fc links that > I have on my > > >> > >> >>> > cluster being disabled any time a migration occurs. > > >> > >> >>> > > > >> > >> >>> > I believe this is because I need to have STP turned on in > order to > > >> > >> >>> > participate with the switch. However, there does not seem > to be any > > >> > >> >>> > way to tell oVirt to stop turning it off! Very > frustrating. > > >> > >> >>> > > > >> > >> >>> > After entering a cronjob that enables stp on all bridges > every 1 > > >> > >> >>> > minute, the migration issue disappears.... > > >> > >> >>> > > > >> > >> >>> > Is there any way at all to do without this cronjob and > set STP to be > > >> > >> >>> > ON without having to resort to such a silly solution? > > >> > >> >>> > > >> > >> >>> Vdsm exposes a per bridge STP knob that you can use for > this. By > > >> > >> >>> default it is set to false, which is probably why you had > to use this > > >> > >> >>> shenanigan. > > >> > >> >>> > > >> > >> >>> You can, for instance: > > >> > >> >>> > > >> > >> >>> # show present state > > >> > >> >>> [vagrant@vdsm ~]$ ip a > > >> > >> >>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state > UNKNOWN > > >> > >> >>> group default qlen 1000 > > >> > >> >>> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > > >> > >> >>> inet 127.0.0.1/8 scope host lo > > >> > >> >>> valid_lft forever preferred_lft forever > > >> > >> >>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast > > >> > >> >>> state UP group default qlen 1000 > > >> > >> >>> link/ether 52:54:00:41:fb:37 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast > > >> > >> >>> state UP group default qlen 1000 > > >> > >> >>> link/ether 52:54:00:83:5b:6f brd ff:ff:ff:ff:ff:ff > > >> > >> >>> inet 192.168.50.50/24 brd 192.168.50.255 scope global > noprefixroute eth1 > > >> > >> >>> valid_lft forever preferred_lft forever > > >> > >> >>> inet6 fe80::5054:ff:fe83:5b6f/64 scope link > > >> > >> >>> valid_lft forever preferred_lft forever > > >> > >> >>> 19: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop > state DOWN > > >> > >> >>> group default qlen 1000 > > >> > >> >>> link/ether 8e:5c:2e:87:fa:0b brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > > >> > >> >>> # show example bridge configuration - you're looking for > the STP knob here. > > >> > >> >>> [root@vdsm ~]$ cat bridged_net_with_stp > > >> > >> >>> { > > >> > >> >>> "bondings": {}, > > >> > >> >>> "networks": { > > >> > >> >>> "test-network": { > > >> > >> >>> "nic": "eth0", > > >> > >> >>> "switch": "legacy", > > >> > >> >>> "bridged": true, > > >> > >> >>> "stp": true > > >> > >> >>> } > > >> > >> >>> }, > > >> > >> >>> "options": { > > >> > >> >>> "connectivityCheck": false > > >> > >> >>> } > > >> > >> >>> } > > >> > >> >>> > > >> > >> >>> # issue setup networks command: > > >> > >> >>> [root@vdsm ~]$ vdsm-client -f bridged_net_with_stp Host > setupNetworks > > >> > >> >>> { > > >> > >> >>> "code": 0, > > >> > >> >>> "message": "Done" > > >> > >> >>> } > > >> > >> >>> > > >> > >> >>> # show bridges > > >> > >> >>> [root@vdsm ~]$ brctl show > > >> > >> >>> bridge name bridge id STP enabled interfaces > > >> > >> >>> ;vdsmdummy; 8000.000000000000 no > > >> > >> >>> test-network 8000.52540041fb37 yes eth0 > > >> > >> >>> > > >> > >> >>> # show final state > > >> > >> >>> [root@vdsm ~]$ ip a > > >> > >> >>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state > UNKNOWN > > >> > >> >>> group default qlen 1000 > > >> > >> >>> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > > >> > >> >>> inet 127.0.0.1/8 scope host lo > > >> > >> >>> valid_lft forever preferred_lft forever > > >> > >> >>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast > > >> > >> >>> master test-network state UP group default qlen 1000 > > >> > >> >>> link/ether 52:54:00:41:fb:37 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast > > >> > >> >>> state UP group default qlen 1000 > > >> > >> >>> link/ether 52:54:00:83:5b:6f brd ff:ff:ff:ff:ff:ff > > >> > >> >>> inet 192.168.50.50/24 brd 192.168.50.255 scope global > noprefixroute eth1 > > >> > >> >>> valid_lft forever preferred_lft forever > > >> > >> >>> inet6 fe80::5054:ff:fe83:5b6f/64 scope link > > >> > >> >>> valid_lft forever preferred_lft forever > > >> > >> >>> 19: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc noop > state DOWN > > >> > >> >>> group default qlen 1000 > > >> > >> >>> link/ether 8e:5c:2e:87:fa:0b brd ff:ff:ff:ff:ff:ff > > >> > >> >>> 432: test-network: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu > 1500 qdisc > > >> > >> >>> noqueue state UP group default qlen 1000 > > >> > >> >>> link/ether 52:54:00:41:fb:37 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > > >> > >> >>> I don't think this STP parameter is exposed via engine UI; > @Dominik > > >> > >> >>> Holler , could you confirm ? What are our plans for it ? > > >> > >> >>> > > >> > >> >> > > >> > >> >> STP is only available via REST-API, see > > >> > >> >> > http://ovirt.github.io/ovirt-engine-api-model/4.3/#types/network > > >> > >> >> please find an example how to enable STP in > > >> > >> >> > https://gist.github.com/dominikholler/4e70c9ef9929d93b6807f56d43a70b95 > > >> > >> >> > > >> > >> >> We have no plans to add STP to the web ui, > > >> > >> >> but new feature requests are always welcome on > > >> > >> >> > https://bugzilla.redhat.com/enter_bug.cgi?product=ovirt-engine > > >> > >> >> > > >> > >> >> > > >> > >> >>> > > >> > >> >>> > > > >> > >> >>> > Here are some details about my systems, if you need it. > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > selinux is disabled. > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > > > >> > >> >>> > [root@swm-02 ~]# rpm -qa | grep ovirt > > >> > >> >>> > ovirt-imageio-common-1.5.1-0.el7.x86_64 > > >> > >> >>> > ovirt-release43-4.3.5.2-1.el7.noarch > > >> > >> >>> > ovirt-imageio-daemon-1.5.1-0.el7.noarch > > >> > >> >>> > ovirt-vmconsole-host-1.0.7-2.el7.noarch > > >> > >> >>> > ovirt-hosted-engine-setup-2.3.11-1.el7.noarch > > >> > >> >>> > ovirt-ansible-hosted-engine-setup-1.0.26-1.el7.noarch > > >> > >> >>> > python2-ovirt-host-deploy-1.8.0-1.el7.noarch > > >> > >> >>> > ovirt-ansible-engine-setup-1.1.9-1.el7.noarch > > >> > >> >>> > python2-ovirt-setup-lib-1.2.0-1.el7.noarch > > >> > >> >>> > cockpit-machines-ovirt-195.1-1.el7.noarch > > >> > >> >>> > ovirt-hosted-engine-ha-2.3.3-1.el7.noarch > > >> > >> >>> > ovirt-vmconsole-1.0.7-2.el7.noarch > > >> > >> >>> > cockpit-ovirt-dashboard-0.13.5-1.el7.noarch > > >> > >> >>> > ovirt-provider-ovn-driver-1.2.22-1.el7.noarch > > >> > >> >>> > ovirt-host-deploy-common-1.8.0-1.el7.noarch > > >> > >> >>> > ovirt-host-4.3.4-1.el7.x86_64 > > >> > >> >>> > python-ovirt-engine-sdk4-4.3.2-2.el7.x86_64 > > >> > >> >>> > ovirt-host-dependencies-4.3.4-1.el7.x86_64 > > >> > >> >>> > ovirt-ansible-repositories-1.1.5-1.el7.noarch > > >> > >> >>> > [root@swm-02 ~]# cat /etc/redhat-release > > >> > >> >>> > CentOS Linux release 7.6.1810 (Core) > > >> > >> >>> > [root@swm-02 ~]# uname -r > > >> > >> >>> > 3.10.0-957.27.2.el7.x86_64 > > >> > >> >>> > You have new mail in /var/spool/mail/root > > >> > >> >>> > [root@swm-02 ~]# ip a > > >> > >> >>> > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue > state UNKNOWN > > >> > >> >>> > group default qlen 1000 > > >> > >> >>> > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > > >> > >> >>> > inet 127.0.0.1/8 scope host lo > > >> > >> >>> > valid_lft forever preferred_lft forever > > >> > >> >>> > 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > mq master > > >> > >> >>> > test state UP group default qlen 1000 > > >> > >> >>> > link/ether d4:ae:52:8d:50:48 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 3: em2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state > DOWN group > > >> > >> >>> > default qlen 1000 > > >> > >> >>> > link/ether d4:ae:52:8d:50:49 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 4: p1p1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > mq master > > >> > >> >>> > ovirtmgmt state UP group default qlen 1000 > > >> > >> >>> > link/ether 90:e2:ba:1e:14:80 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 5: p1p2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state > DOWN group > > >> > >> >>> > default qlen 1000 > > >> > >> >>> > link/ether 90:e2:ba:1e:14:81 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 6: ovs-system: <BROADCAST,MULTICAST> mtu 1500 qdisc noop > state DOWN > > >> > >> >>> > group default qlen 1000 > > >> > >> >>> > link/ether a2:b8:d6:e8:b3:d8 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 7: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop > state DOWN group > > >> > >> >>> > default qlen 1000 > > >> > >> >>> > link/ether 96:a0:c1:4a:45:4b brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 25: test: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 > qdisc noqueue > > >> > >> >>> > state UP group default qlen 1000 > > >> > >> >>> > link/ether d4:ae:52:8d:50:48 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > inet 10.15.11.21/24 brd 10.15.11.255 scope global > test > > >> > >> >>> > valid_lft forever preferred_lft forever > > >> > >> >>> > 26: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 > qdisc > > >> > >> >>> > noqueue state UP group default qlen 1000 > > >> > >> >>> > link/ether 90:e2:ba:1e:14:80 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > inet 10.15.28.31/24 brd 10.15.28.255 scope global > ovirtmgmt > > >> > >> >>> > valid_lft forever preferred_lft forever > > >> > >> >>> > 27: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500 qdisc > noop state DOWN > > >> > >> >>> > group default qlen 1000 > > >> > >> >>> > link/ether 62:e5:e5:07:99:eb brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > 29: vnet0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 > qdisc mq master > > >> > >> >>> > ovirtmgmt state UNKNOWN group default qlen 1000 > > >> > >> >>> > link/ether fe:6f:9c:95:00:02 brd ff:ff:ff:ff:ff:ff > > >> > >> >>> > [root@swm-02 ~]# free -m > > >> > >> >>> > total used free shared > buff/cache available > > >> > >> >>> > Mem: 64413 1873 61804 9 > 735 62062 > > >> > >> >>> > Swap: 16383 0 16383 > > >> > >> >>> > [root@swm-02 ~]# free -h > > >> > >> >>> > total used free shared > buff/cache available > > >> > >> >>> > Mem: 62G 1.8G 60G 9.5M > 735M 60G > > >> > >> >>> > Swap: 15G 0B 15G > > >> > >> >>> > [root@swm-02 ~]# ls > > >> > >> >>> > ls lsb_release lshw > lslocks > > >> > >> >>> > lsmod lspci lssubsys > > >> > >> >>> > lsusb.py > > >> > >> >>> > lsattr lscgroup lsinitrd > lslogins > > >> > >> >>> > lsns lss16toppm > lstopo-no-graphics > > >> > >> >>> > lsblk lscpu lsipc > lsmem > > >> > >> >>> > lsof lsscsi lsusb > > >> > >> >>> > [root@swm-02 ~]# lscpu > > >> > >> >>> > Architecture: x86_64 > > >> > >> >>> > CPU op-mode(s): 32-bit, 64-bit > > >> > >> >>> > Byte Order: Little Endian > > >> > >> >>> > CPU(s): 16 > > >> > >> >>> > On-line CPU(s) list: 0-15 > > >> > >> >>> > Thread(s) per core: 2 > > >> > >> >>> > Core(s) per socket: 4 > > >> > >> >>> > Socket(s): 2 > > >> > >> >>> > NUMA node(s): 2 > > >> > >> >>> > Vendor ID: GenuineIntel > > >> > >> >>> > CPU family: 6 > > >> > >> >>> > Model: 44 > > >> > >> >>> > Model name: Intel(R) Xeon(R) CPU > X5672 @ 3.20GHz > > >> > >> >>> > Stepping: 2 > > >> > >> >>> > CPU MHz: 3192.064 > > >> > >> >>> > BogoMIPS: 6384.12 > > >> > >> >>> > Virtualization: VT-x > > >> > >> >>> > L1d cache: 32K > > >> > >> >>> > L1i cache: 32K > > >> > >> >>> > L2 cache: 256K > > >> > >> >>> > L3 cache: 12288K > > >> > >> >>> > NUMA node0 CPU(s): 0,2,4,6,8,10,12,14 > > >> > >> >>> > NUMA node1 CPU(s): 1,3,5,7,9,11,13,15 > > >> > >> >>> > Flags: fpu vme de pse tsc msr pae mce cx8 > apic sep > > >> > >> >>> > mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse > sse2 ss ht > > >> > >> >>> > tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc > arch_perfmon pebs bts > > >> > >> >>> > rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu > pni pclmulqdq > > >> > >> >>> > dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr > pdcm pcid dca > > >> > >> >>> > sse4_1 sse4_2 popcnt aes lahf_lm ssbd ibrs ibpb stibp > tpr_shadow vnmi > > >> > >> >>> > flexpriority ept vpid dtherm ida arat spec_ctrl > intel_stibp flush_l1d > > >> > >> >>> > [root@swm-02 ~]# > > >> > >> >>> > _______________________________________________ > > >> > >> >>> > Users mailing list -- users(a)ovirt.org > > >> > >> >>> > To unsubscribe send an email to users-leave(a)ovirt.org > > >> > >> >>> > Privacy Statement: > https://www.ovirt.org/site/privacy-policy/ > > >> > >> >>> > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > > >> > >> >>> > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/MTMZ5MF4CF2... > > >> > >> >> > > >> > >> >> 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