Add a Direct Lun via rest API (Oivrt 3.3.5)
by Gary Lloyd
Hello
I was just wondering if anyone would be able to help me figure out if there
is a way to login to an ISCSI target (EqualLogic) and add its associated
volume as a Direct LUN via the REST api.
I have figured out how to add an existing Direct LUN to a vm.
I have created a volume on the SAN and then I am attempting to upload some
xml to the API:
curl -v -u 'admin@internal:mypass' -H "Content-type: application/xml" -d
@disk.xml https://ovirt-test/disks/ --insecure
cat disk.xml
<disk>
<alias>direct_lun</alias>
<interface>virtio</interface>
<format>raw</format>
<lunStorage>
<type>iscsi</type>
<logical_unit>
<address>10.0.0.1</address>
<port>3260</port>
<target>iqn.2001-05.com.equallogic:0-1cb196-cff1c713e-e2a004dfcc65357b-dev-directlun</target>
</logical_unit>
</lunStorage>
</disk>
At the moment the API is returning with a HTTP 400:
<fault>
<reason>Incomplete parameters</reason>
<detail>Disk [provisionedSize|size] required for add</detail>
</fault>
Is it possible to achieve my goal via the API ?
Thanks
*Gary Lloyd*
----------------------------------
IT Services
Keele University
-----------------------------------
10 years, 7 months
Using Virtio-SCSI passthough on SCSI - Devices
by Daniel Helgenberger
--=-YX/fG1gxstd3trJ7hutY
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Hello,
does anyone have an idea on how to accomplish this? In my particular
setup, I need a FC tape drive passed though to the vm.
Note, passing throuh FC - LUNs works flawlessly.=20
If I understood Virtio -SCSI correctly, this should be possible from
libvirt's part.
Thanks!
--=20
Daniel Helgenberger=20
m box bewegtbild GmbH=20
P: +49/30/2408781-22
F: +49/30/2408781-10
ACKERSTR. 19=20
D-10115 BERLIN=20
www.m-box.de www.monkeymen.tv=20
Gesch=C3=A4ftsf=C3=BChrer: Martin Retschitzegger / Michaela G=C3=B6llner
Handeslregister: Amtsgericht Charlottenburg / HRB 112767=20
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10 years, 7 months
cloud-init woes w/ templates
by Andrew Lau
Hi,
Has anyone had any success with cloud-init and templates with ovirt
3.4? So far, it seems to be able to configure things like networks
etc. But when it goes to do with passwords, it must be set again in
the "run once" or in the "Initial Run" even if "Use already configured
password" is set.
Another thing, why is it only setup to change the root password? By
default cloud-init will block root, so nearly all images need to be
modified ie.
sed -i 's/disable_root: 1/disable_root: 0\nchpasswd: { expire: False
}/g' /etc/cloud/cloud.cfg
Otherwise, you'll login and it'll ask you to change your password.
Defeats the purpose of setting it through cloud-init? I'm also not
being able to just set an SSH key, it insists a password otherwise the
key won't get uploaded.
Finally, templates seem to be lacking validation. Where "Initial Run"
and "Run Once" will give the red box if you have the wrong syntax
while templates don't care.
Thanks,
Andrew
10 years, 7 months
Unable to edit virt-v2v import VM - 3.4.0
by Trey Dockendorf
I just imported a VM using the following command:
virt-v2v -ic qemu+ssh://root@kvm1.DOMAIN/system -o rhev -os
192.168.202.245:/tank/ovirt/import_export --network ovirtmgmt --vmtype
server syslog.DOMAIN
I successfully imported it in the oVirt web UI, but when I try to edit
the VM I get the following message, "Cannot edit VM. Cannot set single
display device via VNC display.".
I noticed the "Single PCI" option in the Console section is checked,
when none of my other VMs have this checked.
Another VM I imported using version 3.3.x does not have this checked.
The checkbox is greyed out, so I can't make any modifications in the
"Edit" dialog.
Any suggestions?
For issues regarding importing from KVM using virt-v2v, what logs are
useful besides engine.log?
Thanks
- Trey
10 years, 7 months
Network Security / Seperation
by squadra
Hi Folks,
i am currently looking for a way to isolate each vms network traffic
so none can sniff others network traffic. currently i am playing
around with the neutron integration, which gives me more question
marks than answers for now (even documentation seems to be incomplete
/ outdated).
Is there any other solution, which does not require to create a new
vlan for each vm, to make sure that noone can sniff others traffic?
Cheers,
Juergen
--
Sent from the Delta quadrant using Borg technology!
10 years, 7 months
Ovirt snapshot failing on one VM
by Steve Dainard
I've attempted migrating the vm to another host and taking a snapshot, but
I get this error:
6efd33f4-984c-4513-b5e6-fffdca2e983b::ERROR::2014-04-22
01:09:37,296::volume::286::Storage.Volume::(clone) Volume.clone: can't
clone:
/rhev/data-center/9497ef2c-8368-4c92-8d61-7f318a90748f/95b9d922-4df7-4d3b-9bca-467e2fd9d573/images/466d9ae9-e46a-46f8-9f4b-964d8af0675b/1a67de4b-aa1c-4436-baca-ca55726d54d7
to
/rhev/data-center/9497ef2c-8368-4c92-8d61-7f318a90748f/95b9d922-4df7-4d3b-9bca-467e2fd9d573/images/466d9ae9-e46a-46f8-9f4b-964d8af0675b/b230596f-97bc-4532-ba57-5654fa9c6c51
A bit more of the vdsm log is attached.
Other vm's are snapshotting without issue.
Any help appreciated,
*Steve *
10 years, 7 months
oVirt 3.4 - Hosted Engine: Cluster Reboot procedure
by Daniel Helgenberger
--=-QguCZheGA74Z2DLSRg8u
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Hello ovirt-users,
after playing around with my ovirt 3.4 hosted engine two node HA cluster
I have devised a procedure on how to restart the whole cluster after a
power loss / normal shutdown. This assumes all HA-Nodes have been taken
offline. This also applies partly to rebooted HA nodes.
Please feel free do ask questions and/or comment on improvements. Most
of the things should be obsoleted by future updates anyway.
Note 1:
The problem IMHO seems to be the non connected nfs storage domain,
resulting in the HA-Agent crash / hang. The ha-broker service should be
up and running all the time. Please check this.
Note 2:=20
My setup consists of two nodes; 'all nodes' means the task has to be
performed on every node HA node in the cluster.
Node 3:
By 'Login' I mean SSH or local access.
Part A: SHUTDOWN THE CLUSTER
Prerequisite: oVirt HE cluster running, should be taken offline for
maintenance:
1. In oVirt, shutdown all VM's except HostedEngine.
2. Login to one cluster node and run 'hosted-engine
--set-maintenance --mode=3Dglobal' to put the cluster into global
maintenance
3. Login to ovirt engine VM and shut it down with 'shutdown -h now'
4. Login to one cluster node and run 'hosted-engine --vm-status' to
check if the engine is really down.=20
5. Shutdown all HA nodes subsequently.
Part B: STARTING THE CLUSTER
Prerequisite: oVirt HE cluster down, NFS storage server running and
exporting the vdsm share.
1. Start all nodes and wait for them to boot up.
2. Login to one cluster node. Check the status of the following
services: vdsm, ovirt-ha-agent, ovirt-ha-broker. The status
should be all are running except ovirt-ha-agent is in 'locked'
state and down.
3. Check 'hosted-engine --vm-status', this should result in a
python stack trace (crash).
4. On all cluster nodes, connect the storage pool: 'hosted-engine
--connect-storage'. Now, 'hosted-engine --vm-status' runs and
reports 'up to date: False' and 'unknown-stale-data' for all
nodes.
5. On all cluster nodes, start the 'ovirt-ha-agent' service:
'service ovirt-ha-agent start'
6. Wait a few minutes for the ha-broker and the agent to collect
the cluster state.
7. Login to one cluster node. Check 'hosted-engine --vm-status'
until you have cluster nodes 'status-up-to-date: True' and
'score: 2400'
8. If the cluster was shutdown by yourself and in global
maintenance, remove the maintenance mode with 'hosted-engine
--set-maintenance --mode=3Dnone'. Now, the system should do a FSM
reinitialize and start the HostedEngine by itself.=C2=B9 If it was
not in maintenance (eg. power fail) the engine should be started
as soon as one host gets a score of 2400.
Part C: STARTING A SINGLE NODE
Prerequisite: oVirt HE cluster up, HostedEngine running. One ha node was
taken offline by local maintenance in oVirt and rebooted.
1. Follow steps 1-5 of Part B
2. In oVirt, navigate to Cluster, Hosts and activate the node
previously in maintenance.
---
1 I observed the following things:
* If you use the command 'hosted-engine --vm-shutdown' instead of
loging in to the ovirt HE and do a local shutdown, the Default
Data Center is set to non - responsive and being Contented after
the reboot. I highly suspect an unclean shutdown by running the
command. Further, it waits about two min. with the shutdown.
* If you use the command 'hosted-engine --vm-start' on a cluster
in global maintenance, wait for successful start ({'health':
'good', 'vm': 'up', 'detail': 'up'}) and remove the maintenance
status, the engine gets restarted once. By removing the
maintenance first and letting ha-agent do the work, the engine
is not restarted.
Cheers,
Daniel
--=20
Daniel Helgenberger=20
m box bewegtbild GmbH=20
P: +49/30/2408781-22
F: +49/30/2408781-10
ACKERSTR. 19=20
D-10115 BERLIN=20
www.m-box.de www.monkeymen.tv=20
Gesch=C3=A4ftsf=C3=BChrer: Martin Retschitzegger / Michaela G=C3=B6llner
Handeslregister: Amtsgericht Charlottenburg / HRB 112767=20
--=-QguCZheGA74Z2DLSRg8u
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--=-QguCZheGA74Z2DLSRg8u--
10 years, 7 months
does SPM can run over ovirt-engine host ?
by Tamer Lima
Hello,
When I create virtual machine from a template (centos6.5, 2 cores, 8GB mem,
500GB hd) this process takes almost 2 hours. I click on "New VM" button
and just select the template and click ok.
engine.log show me high network consumption (98%) between engine-server
host and SPM host.
I tried to make my engine-server host a spm host too, but without sucess.
Does SPM can run over on the same ovirt-engine machine ?
Am I make something wrong? Or create VM from template is really slow ?
my servers :
srv-0202 = ovirt-engine , vdsm
srv-0203 = spm , vdsm
srv-0204 = vdsm
These servers are dell blades connected on a 100GB switch.
thanks
This is what I know about SPM:
http://www.ovirt.org/Storage_-_oVirt_workshop_November_2011
= Storage Pool Manager (SPM) A role assigned to one host in a data center
granting it sole authority over:
- Creation, deletion, an dmanipulation of virtula disk images, snapshots
and templates
- Templates: you can create on VM as a golden image and provision to
multiple VMs (QCOW layers)
- Allocation of storage for sparse block devices (on SAN)
- Thin provisinoing (see below)
- Single metadata writer:
- SPM lease mechanism (Chockler and Malkhi 2004, Light-Weight Leases
for Storage-Cnntric Coordination)
- Storage-centric mailbox
- This role can be migrated to any host in data center
10 years, 7 months
Re: [ovirt-users] qemu-kvm-rhev for el6
by Paul Jansen
--708812334-1827530428-1398312557=:18323
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
>hello,=0A>=0A>does anyone know if there are an existent bugzilla to track =
the release =0A>of qemu-kvm-rhev rpms under el (like centos)?=0A>Because I'=
ve looked at bugzilla and google docs oVirt Planning & =0A>Tracking with no=
luck=0A>=0A>best regards=0A>a=0AI think this is the best fit that I have f=
ound so far: https://bugzilla.redhat.com/show_bug.cgi?id=3D1009100=0A
--708812334-1827530428-1398312557=:18323
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable
<html><body><div style=3D"color:#000; background-color:#fff; font-family:He=
lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;fo=
nt-size:12pt"><pre style=3D"" class=3D"">>hello,=0A>=0A>does anyon=
e know if there are an existent bugzilla to track the release =0A>of qem=
u-kvm-rhev rpms under el (like centos)?=0A>Because I've looked at bugzil=
la and google docs oVirt Planning & =0A>Tracking with no luck=0A>=
=0A>best regards=0A>a</pre><div style=3D"" class=3D"">I think this is=
the best fit that I have found so far: https://bugzilla.redhat.com/show_bu=
g.cgi?id=3D1009100</div><div style=3D"" class=3D""><br style=3D"" class=3D"=
"><a style=3D"" class=3D"" href=3D"mailto:users%40ovirt.org?Subject=3DRe:%2=
0Re%3A%20%5Bovirt-users%5D%20qemu-kvm-rhev%20for%20el6&In-Reply-To=3D%3=
C5358026B.4000904%40oscert.net%3E" title=3D"[ovirt-users] qemu-kvm-rhev for=
el6">=0A </a></div></div></body></html>
--708812334-1827530428-1398312557=:18323--
10 years, 7 months
