oVirt Storage questions
by michael＠wanderingmad.com
From previous thread about gluster issues, things seem to be running much better than before, and it has raised a few questions that I can't seem to find any answers to:
Setup:
3 hyperconverged nodes
each node has 1x 1tb SSD and 1x 500gb nVME drive
each node is connected via ethernet and also by a 40gb infiniband connection for the gluster replication.
Questions:
1. I created a 3tb VDO drive on the SSD and a 1.3tb VDO Drive on the nVME drive with a 1Gb cache on each server and I enabled the RDMA transport.
a. Did I lose anything by doing the whole process manually? Since I did it like that, things seem to run MUCH better so far, rebooting nodes the gluster resyncs almost instantly and storage seems faster also.
b. Is there a way to split out the gluster traffic from the normal ovirt traffic (VM and cluster communication)? originally I had separate names for each node for the gluster network and it WAS split, but if I ever reset a gluster node, the name got changed. What I did now is just put in a hosts file on each node that sends all traffic over the infiniband, but I don't feel like that's optimal. I was unable to add in the separate gluster names in the configuration as they were not part of the existing cluster.
c. Why does the hyper-connverged wizard not let you adjust the VDO cache size, the transport type, or use VDO to "over-subscribe" the drive sizes like I did manually?
2. I wanted to add more space in the near future, would it be better to create a RAID0 with the new drives, or just use them as another separate storage location?
5 years, 3 months
Unable to add storage domain
by michael＠wanderingmad.com
1. Created a lv on a VDO device, mounted on /gluster_bricks/brick
2. Created a new gluster brick on /gluster_bricks/brick/brick
3. Unable to add them new a new storage domain or import it.
get a bunch of "finished disconnecting storage..." errors and nothing happens
I've lost 30+ VMs due to previous issues with gluster deployment wizard, so I created drives manually to match settings from wizard, totally screwed now.
5 years, 3 months
move 'ovirtmgmt' bridge to a bonded NIC team
by Shawn Southern
We've recently added additional NICs to our oVirt nodes, and want to move the ovirtmgmt interface to one of the bonded interfaces, away from the single ethernet port currently used. This is to provide redundant connectivity to the nodes.
I've not had any luck finding documentation on how to do this. If we change it manually by editing files in /etc/sysconfig/network-scripts, VDSM simply changes everything back.
I'm just looking to be pointed in the right direction here.
Thanks!
5 years, 3 months
VM Portal is currently having some issues
by Arnaud DEBEC
Hi,
When opening the web-ui with the admin@internal user, I get the message "Sorry, VM Portal is currently having some issues".
Back to the admin portal > Events, nothing has been logged. Nothing in /var/log/ovirt-engine/ui.log, server.log or engine.log either.
Any suggestion?
5 years, 3 months
Removing SSL 3 from port 16514
by John Nguyen
Hello,
I was hoping to remove SSL 3 from 16514/tcp. I’m running Ovirt
4.2.0.2-1el7.centos and that port accepts both TSL 1.2 and SSL 3.
Would editing libvirtd.conf and restarting libvirt on the hosts be the best
way? I worry that it maybe overwritten the next time vdsm gets updated.
#vi /etc/libvirt/libvirtd.conf
tls_priority="NORMAL:!VERS-SSL3.0"
Any help would be appreciated,
Thanks
John
5 years, 3 months
migrating to Hosted Engine failed
by maoz zadok
Hello,
*oVirt Node: 4.2.7.1*
I'm trying to migrate to a hosted engine on an existing cluster.
I following:
https://www.ovirt.org/documentation/self-hosted/chap-Migrating_from_Bare_...
or:
https://www.ovirt.org/develop/developer-guide/engine/migrate-to-hosted-en...
<https://www.ovirt.org/develop/developer-guide/engine/migrate-to-hosted-en...>
in both cases, it waits for the guest to be up until falling with an error
I can see that it added some record to /etc/host and the guest is up. I was
able to connect to the guest with ssh from the host that runs the
hosted-engine deployment.
after many retries, the host removes the guest and throw the error.
also now the host cannot be activated back and throw following error when
tring to activate:
> VDSM kvm7 command Get Host Capabilities failed: General SSLEngine problem
[ ERROR ] fatal: [localhost]: FAILED! => {"ansible_facts": {"ovirt_hosts":
[{"address": "kvm7.replaceddomain.com", "affinity_labels": [],
"auto_numa_status": "unknown", "certificate": {"organization": "
replaceddomain.com", "subject": "O=replaceddomain.com,CN=
kvm7.replaceddomain.com"}, "cluster": {"href":
"/ovirt-engine/api/clusters/49af9e16-1250-11e9-ba8c-00163e4e185e", "id":
"49af9e16-1250-11e9-ba8c-00163e4e185e"}, "comment": "", "cpu": {"speed":
0.0, "topology": {}}, "device_passthrough": {"enabled": false}, "devices":
[], "external_network_provider_configurations": [], "external_status":
"ok", "hardware_information": {"supported_rng_sources": []}, "hooks": [],
"href": "/ovirt-engine/api/hosts/18517a0d-f264-4fd7-a191-c4a1f035da94",
"id": "18517a0d-f264-4fd7-a191-c4a1f035da94", "katello_errata": [],
"kdump_status": "unknown", "ksm": {"enabled": false},
"max_scheduling_memory": 0, "memory": 0, "name": "kvm7.replaceddomain.com",
"network_attachments": [], "nics": [], "numa_nodes": [], "numa_supported":
false, "os": {"custom_kernel_cmdline": ""}, "permissions": [], "port":
54321, "power_management": {"automatic_pm_enabled": true, "enabled": false,
"kdump_detection": true, "pm_proxies": []}, "protocol": "stomp",
"se_linux": {}, "spm": {"priority": 5, "status": "none"}, "ssh":
{"fingerprint": "SHA256:FL4Drh9DQxHFwyQQ9LXEyNjex62LBZ6c4+4O09LoTWg",
"port": 22}, "statistics": [], "status": "install_failed",
"storage_connection_extensions": [], "summary": {"total": 0}, "tags": [],
"transparent_huge_pages": {"enabled": false}, "type": "ovirt_node",
"unmanaged_networks": [], "update_available": false}]}, "attempts": 120,
"changed": false, "deprecations": [{"msg": "The 'ovirt_hosts_facts' module
is being renamed 'ovirt_host_facts'", "version": 2.8}]}
[ INFO ] TASK [Fetch logs from the engine VM]
5 years, 3 months
integrate billing system for ovirt
by du_hongyu＠yeah.net
hi
I want to integrate billing system for ovirt, but I can not find any information, can you give me some suggestion?
Regards
Hongyu Du
5 years, 3 months
novnc in the virtual machine console
by xilazz＠126.com
Hello everyone,
When I was using novnc in the virtual machine console, I could not see the virtual machine content after opening it. Always prompt:
Can't connect to websocket proxy server wss://engine.test.com:6100. Please check that:
websocket proxy service is running,
firewalls are properly set,
websocket proxy certificate is trusted by your browser. Default CA certificate.
But my engine websocket agent is running normally, now I do not know the reason, please help me check whether there is the same problem
Thank you very much !
Cheers,
5 years, 3 months
Hosted Engine VM and Storage not showing up
by Vinícius Ferrão
Hello,
I’ve a new oVirt installation using oVirt 4.2.7.1 Node and after deploying the hosted engine it does not show up on the interface even after adding the first storage.
The Datacenter is up but the engine VM and the engine storage does not appear.
I have the following message repeated constantly on /var/log/messages:
Jan 4 20:17:30 ovirt1 journal: ovirt-ha-agent ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine.config.vm ERROR Unable to identify the OVF_STORE volume, falling back to initial vm.conf. Please ensure you already added your first data domain for regular VMs
What’s wrong? Am I doing something different?
Additional infos:
[root@ovirt1 ~]# vdsm-tool list-nets
ovirtmgmt (default route)
storage
[root@ovirt1 ~]# ip a | grep "inet "
inet 127.0.0.1/8 scope host lo
inet 10.20.0.101/24 brd 10.20.0.255 scope global dynamic ovirtmgmt
inet 192.168.10.1/29 brd 192.168.10.7 scope global storage
[root@ovirt1 ~]# mount | grep -i nfs
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
10.20.0.200:/mnt/pool0/ovirt/he on /rhev/data-center/mnt/10.20.0.200:_mnt_pool0_ovirt_he type nfs4 (rw,relatime,vers=4.1,rsize=131072,wsize=131072,namlen=255,soft,nosharecache,proto=tcp,timeo=600,retrans=6,sec=sys,clientaddr=10.20.0.101,local_lock=none,addr=10.20.0.200)
[root@ovirt1 ~]# hosted-engine --check-deployed
Returns nothing!
[root@ovirt1 ~]# hosted-engine --check-liveliness
Hosted Engine is up!
[root@ovirt1 ~]# hosted-engine --vm-status
--== Host 1 status ==--
conf_on_shared_storage : True
Status up-to-date : True
Hostname : ovirt1.local.versatushpc.com.br
Host ID : 1
Engine status : {"health": "good", "vm": "up", "detail": "Up"}
Score : 3400
stopped : False
Local maintenance : False
crc32 : 1736a87d
local_conf_timestamp : 7836
Host timestamp : 7836
Extra metadata (valid at timestamp):
metadata_parse_version=1
metadata_feature_version=1
timestamp=7836 (Fri Jan 4 20:18:10 2019)
host-id=1
score=3400
vm_conf_refresh_time=7836 (Fri Jan 4 20:18:10 2019)
conf_on_shared_storage=True
maintenance=False
state=EngineUp
stopped=False
Thanks in advance,
5 years, 3 months
