- Users - oVirt List Archives

enabling rhevm fencing agent in ovirt
by Jason Brooks 30 Apr '14

30 Apr '14

Hi everyone -- I'm trying to enable the fence_rhevm agent in ovirt in order to enable fencing on the (ovirt-hosted) virtual hosts I use for testing. I followed the directions at https://www.mail-archive.com/users@ovirt.org/msg13433.html to add the agent to ovirt. I appended "rhevm:secure=ssl,slot=plug" to the fencing agent option mapping list in the VdsFenceOptionMapping rows of vdc_options, and I appended "rhevm" to the list of agents in the VdsFenceType rows of vdc_options. After restarting ovirt-engine, the rhevm agent appears in the list of agents in the power management dialog. I supply the correct address, user name & password values, and put the name of my VM into the slot field (which I mapped to plug, above). The test fails with the message: "Test Failed, Parse error: Ignoring unknown option 'plug=ovirt34-el3' Failed: You have to enter plug number Please use '-h' for usage" When I run a test directly, w/ "fence_rhevm -o fence_rhevm -o status -a MYHOSTNAME -l admin@internal -p MYPASSWORD --ssl --plug=ovirt34-el3" the fencing agent returns the status as expected. It seems that ovirt engine is deciding that my (valid) option is invalid, so it withholds the option from the fencing agent, which then complains that the withheld element is missing. Any ideas? I'm using ovirt 3.4 (self-hosted) on CentOS 6.5 hosts, which are running on ovirt 3.4 (all in one engine) on Fedora 19 hosts. Here's the error passage from the vdsm.log: Thread-10347::DEBUG::2014-04-28 18:19:23,691::API::1160::vds::(fenceNode) rc 1 in agent=fence_rhevm ipaddr=MYHOSTNAME login=admin@internal action=status passwd=XXXX plug=ovirt34-el3 ssl=yes out err Parse error: Ignoring unknown option 'plug=ovirt34-el3' Failed: You have to enter plug number Please use '-h' for usage Thanks, Jason

2 1

oVirt 3.4.1 branching
by Sandro Bonazzola 30 Apr '14

30 Apr '14

Hi, we're going to create ovirt-engine-3.4.1 branch tomorrow morning 08:00 UTC in order to allow 3.4.2 development starting on 3.4 branch while we prepare for 3.4.1 GA release. So starting tomorrow morning, if you have patches targeted to 3.4.1 you'll need to push them on 3.4.1 branch too. Thanks, -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

1 1

IP forwarding... Cannot access guest IP
by richard.seguin＠marisec.ca 30 Apr '14

30 Apr '14

Is there a way to enable promiscuous mode on virtual adapters? I can't seem to access guest IP addresses on our product (that uses Xen). In Vmware I could enable promiscious mode so that our guest's IP would be allow, as well as the other virtual interfaces under it. Any ideas? Thanks, Richard Seguin

3 11

[Events] Creating an oVirt Speaker's Bureau
by Brian Proffitt 29 Apr '14

29 Apr '14

All: As we work to raise awareness about oVirt at events around the world, we are always seeking community members who would be willing to attend events on behalf of oVirt to give general oVirt talks, help out with booths/stands, and give workshop-oriented talks. But the problem is that right now, it is not entirely clear where all of you are physically located. So, to help with this, I want to take a census of anyone who is interested in helping with event work, to create a speakers bureau list. This information would be private and maintained by me so if an event that's "local" for someone happens, we can directly let you know about it and gauge your interest. If you are interested in speaking at events or helping with workshops, please send me the following information: Name Email (or better contact info) Location (City, Country) Topics of Interest Thanks! BKP -- Brian Proffitt oVirt Community Manager Project Atomic Community Lead Open Source and Standards, Red Hat - http://community.redhat.com Phone: +1 574 383 9BKP IRC: bkp @ OFTC

1 0

Live migration failing
by Steve Dainard 29 Apr '14

29 Apr '14

Upgraded from Ovirt 3.3.2 to 3.4 recently (ovirt-engine-3.4.0-1.el6.noarch) Hosts packages: vdsm-4.14.6-0.el6.x86_64 libvirt-0.10.2-29.el6_5.7.x86_64 qemu-kvm-0.12.1.2-2.415.el6_5.8.x86_64 (from the jenkins build with live snapshot support) GUI Errors: 2014-Apr-28, 13:12 Migration failed due to Error: Fatal error during migration (VM: central-syslog, Source: ovirt002, Destination: ovirt001). 2014-Apr-28, 13:12 Migration failed due to Error: Fatal error during migration. Trying to migrate to another Host (VM: central-syslog, Source: ovirt002, Destination: ovirt001). 2014-Apr-28, 13:12 Migration started (VM: central-syslog, Source: ovirt002, Destination: ovirt001, User: admin). VDSM log from ovirt002 host attached. Thanks for any help, *Steve*

4 7

Ovirt user experience survey
by Malini Rao 29 Apr '14

29 Apr '14

Hello everyone! We would like to collect feedback on how Ovirt meets your functional and usability goals so that it can become the basis for future improvements. Here is a short survey that I hope you will take the time to complete. Survey link - http://www.keysurvey.com/f/609310/5d3f/ This is a high level survey and if you would like to talk more or stay involved in user experience design activities or even send any sketches for that idea that has been brewing in your head for a while, then please reach out to me or send a message to this list with 'User experience:' prefixing your subject line. Your opinion is valuable and we hope to hear your voice through your survey response :) Please respond to this survey by May 1, 2014. Thanks in advance, Malini

1 1

Re: [ovirt-users] Is there ovirt-guest-agent for ubuntu 14.04?
by Vinzenz Feenstra 29 Apr '14

29 Apr '14

On 04/29/2014 02:45 PM, René Koch wrote: > On 04/29/2014 02:23 PM, Vinzenz Feenstra wrote: >> Hi, >> >> On 04/29/2014 10:44 AM, Arman Khalatyan wrote: >>> Hi, >>> Is there ovirt-guest-agent for ubuntu 14.04? >>> I was looking on launchpad but onli 13.x latest >> We currently do not have version specific builds. I hope that this will >> be changed in future. >> But it'd be great if you try if 13.x works for you. > > 13.10 is working fine for 14.04... Thanks Rene :-) > > Regards, > René > > >> Thanks >>> thanks, >>> Arman. >>> _______________________________________________ >>> Users mailing list >>> Users(a)ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users >> >> -- Regards, Vinzenz Feenstra | Senior Software Engineer RedHat Engineering Virtualization R & D Phone: +420 532 294 625 IRC: vfeenstr or evilissimo Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

1 0

Is there ovirt-guest-agent for ubuntu 14.04?
by Arman Khalatyan 29 Apr '14

29 Apr '14

Hi, Is there ovirt-guest-agent for ubuntu 14.04? I was looking on launchpad but onli 13.x latest thanks, Arman.

3 2

Unable to make Single Sign on working on Windows 7 Guest
by Felipe Herrera Martinez 29 Apr '14

29 Apr '14

Hi all, I've spent several days trying to make SSO working with Windows 7 x64 guests, apparently all seems to be installed properly, such as: Ovirt Guest Agent QEMU Agent Spice Agent SAS enabled on Guest But even that, I'm not able to see any VmLogonVDSCommand log when connecting through SPICE client to a Windows guest, while connecting to a RHEL Guest yes. Any clue how to solve it or troubleshoot the problem? Thanks in advance, Felipe

2 1

Pass through for serial port
by Neil 29 Apr '14

29 Apr '14

Hi guys, We are running Ovirt 3.2.2 and would like to assign or allocate the serial port of one of the processing hosts through to a guest, I'm assuming that we'd need to disable migration to achieve this to ensure the port mapping never changes, but how do we achieve this pass through? Is it possible to do this? We have googled around for possible solutions but haven't found one yet. Thank you. Regards. Neil Wilson.

2 1

Copying VM from one datacenter to another
by Gabi C 29 Apr '14

29 Apr '14

Hello! De facto; I have two datacenter: - 1 with one host, configured with local storage, just added in the engine; - 1 with 3 host, 2 shared storage domain, 1 ISO and 1 Export For some backup reasons ( cold backup) I want to copy machines from second Datacenter to the Local-storage one. Is there some documented way of doing this? Any hints, thoughts, similar experience? Thanks!

3 5

[Users] Failure to connect to engine with Nagios
by Juan Hernandez 29 Apr '14

29 Apr '14

Hello, We are having some trouble with the Nagios plugin for oVirt. From time to time it stops working and it isn't able to connect to the engine. The error that we get apparently indicates a failure to read the file where the session cookie is stored: RHEV CRITICAL: Can't connect to RHEVM-API. Unsuccessful stat on filename containing newline at /usr/lib/nagios/plugins/check_rhev3 line 1411. Any suggestion on how to diagnose/solve this issue? Regards, Juan Hernandez -- Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta 3ºD, 28016 Madrid, Spain Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L.

4 5

FC19 - Transaction check error - while installing ovirt-engine
by Udaya Kiran P 29 Apr '14

29 Apr '14

--1733456068-1542897007-1398066500=:73688 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi,=0A=0AI am trying to install oVirt-Engine on Fedora-19. I am getting the= below transaction check error while executing 'yum -y install ovirt-engine= ' command.=0A=0APlease help me resolve this.=0A=0ATransaction check error:= =0A=A0 file /usr/lib/python2.7/site-packages/sos/plugins/postgresql.py conf= licts between attempted installs of ovirt-log-collector-3.4.1-1.fc19.noarch= and sos-3.0-23.fc19.noarch=0A=A0 file /usr/lib/python2.7/site-packages/sos= /plugins/postgresql.pyc conflicts between attempted installs of ovirt-log-c= ollector-3.4.1-1.fc19.noarch and sos-3.0-23.fc19.noarch=0A=A0 file /usr/lib= /python2.7/site-packages/sos/plugins/postgresql.pyo conflicts between attem= pted installs of ovirt-log-collector-3.4.1-1.fc19.noarch and sos-3.0-23.fc1= 9.noarch=0A=0A=0AI have used ovirt repo -=A0yum localinstall http://resourc= es.ovirt.org/releases/ovirt-release.noarch.rpm=0A=0AThank You.=0A=0A=0ARega= rds,=0AUdaya Kiran --1733456068-1542897007-1398066500=:73688 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"color:#000; background-color:#fff; font-family:ti= mes new roman, new york, times, serif;font-size:10pt"><div class=3D"" style= =3D"">Hi,</div><div class=3D"" style=3D""><br class=3D"" style=3D""></div><= div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: 'times new = roman', 'new york', times, serif; background-color: transparent; font-style= : normal;" class=3D"">I am trying to install oVirt-Engine on Fedora-19. I a= m getting the below transaction check error while executing 'yum -y install= ovirt-engine' command.</div><div style=3D"color: rgb(0, 0, 0); font-size: = 13px; font-family: 'times new roman', 'new york', times, serif; background-= color: transparent; font-style: normal;" class=3D""><br class=3D"" style=3D= ""></div><div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: '= times new roman', 'new york', times, serif; background-color: transparent; = font-style: normal;" class=3D"">Please help me resolve this.</div><div styl= e=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: 'times new roman', 'new york', times, serif;= background-color: transparent; font-style: normal;" class=3D""><br class= =3D"" style=3D""></div><div class=3D"" style=3D"background-color: transpare= nt;">Transaction check error:</div><div class=3D"" style=3D"background-colo= r: transparent;">  file /usr/lib/python2.7/site-packages/sos/plugins/p= ostgresql.py conflicts between attempted installs of ovirt-log-collector-3.= 4.1-1.fc19.noarch and sos-3.0-23.fc19.noarch</div><div class=3D"" style=3D"= background-color: transparent;">  file /usr/lib/python2.7/site-package= s/sos/plugins/postgresql.pyc conflicts between attempted installs of ovirt-= log-collector-3.4.1-1.fc19.noarch and sos-3.0-23.fc19.noarch</div><div clas= s=3D"" style=3D"background-color: transparent;">  file /usr/lib/python= 2.7/site-packages/sos/plugins/postgresql.pyo conflicts between attempted in= stalls of ovirt-log-collector-3.4.1-1.fc19.noarch and sos-3.0-23.fc19.noarc= h</div><div class=3D"" style=3D""><br class=3D"" style=3D""></div><div style=3D"color:= rgb(0, 0, 0); font-size: 13px; font-family: 'times new roman', 'new york',= times, serif; background-color: transparent; font-style: normal;" class=3D= ""><br class=3D"" style=3D""></div><div style=3D"color: rgb(0, 0, 0); font-= size: 13px; font-family: 'times new roman', 'new york', times, serif; backg= round-color: transparent; font-style: normal;" class=3D"">I have used ovirt= repo - yum localinstall http://resources.ovirt.org/releases/ovirt-rel= ease.noarch.rpm</div><div style=3D"color: rgb(0, 0, 0); font-size: 13px; fo= nt-family: 'times new roman', 'new york', times, serif; background-color: t= ransparent; font-style: normal;" class=3D""><br class=3D"" style=3D""></div= ><div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: 'times ne= w roman', 'new york', times, serif; background-color: transparent; font-sty= le: normal;" class=3D""><span style=3D"background-color: transparent;">Than= k You.</span><br></div><div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-family: 'times new rom= an', 'new york', times, serif; background-color: transparent; font-style: n= ormal;" class=3D""><br class=3D"" style=3D""></div><div style=3D"color: rgb= (0, 0, 0); font-size: 13px; font-family: 'times new roman', 'new york', tim= es, serif; background-color: transparent; font-style: normal;" class=3D"">R= egards,</div><div style=3D"color: rgb(0, 0, 0); font-size: 13px; font-famil= y: 'times new roman', 'new york', times, serif; background-color: transpare= nt; font-style: normal;" class=3D"">Udaya Kiran</div></div></body></html> --1733456068-1542897007-1398066500=:73688--

4 4

Hosted Engine started VM Multiple Times
by Andrew Lau 29 Apr '14

29 Apr '14

Hi, I added a new node to my hosted cluster today, only one other node was active in the cluster at that time. It was running the hosted-engine, however during the install it's agent died and when the second node came up. It started the hosted-engine, causing the hosted-engine to be run on both nodes. Has anyone had this happen? This seems very dangerous, as both VMs were running simultaneously.. data corruption alert! Andrew.

2 1

Re: [Users] Failure to connect to engine with Nagios
by Dotan Paz 28 Apr '14

28 Apr '14

Dotan Paz , Engineering Operations Red Hat Israel, LTD ----- Original Message ----- > > On 04/09/2014 09:55 AM, Dotan Paz wrote: > > > > > > > > Dotan Paz , Engineering Operations > > Red Hat Israel, LTD > > > > ----- Original Message ----- > >> On 04/07/2014 07:49 PM, René Koch wrote: > >>> Hi Juan, > >>> > >>> On 04/07/2014 07:27 PM, Juan Hernandez wrote: > >>>> Hello, > >>>> > >>>> We are having some trouble with the Nagios plugin for oVirt. From time > >>>> to time it stops working and it isn't able to connect to the engine. The > >>>> error that we get apparently indicates a failure to read the file where > >>>> the session cookie is stored: > >>>> > >>>> RHEV CRITICAL: Can't connect to RHEVM-API. > >>>> Unsuccessful stat on filename containing newline at > >>>> /usr/lib/nagios/plugins/check_rhev3 line 1411. > >>>> > >>>> Any suggestion on how to diagnose/solve this issue? > >>>> > >>> > >>> Can you tell me which version of check_rhev3 you're using? > > Hi Rene, > > > > Name: check_rhev3 > > Version: 1.2.1 > > Created: 2012-08-13 > > Hi Daton, > > Can you please try check_rhev3 1.3? > https://github.com/ovido/check_rhev3/releases Sure , I'll keep you posted . > > > Thanks, > René > > > > > > >>> > >>> Regards, > >> > >> Dotan, can you answer this question? > >> > >> -- > >> Dirección Comercial: C/Jose Bardasano Baos, 9, Edif. Gorbea 3, planta > >> 3ºD, 28016 Madrid, Spain > >> Inscrita en el Reg. Mercantil de Madrid – C.I.F. B82657941 - Red Hat S.L. > >> _______________________________________________ > >> Users mailing list > >> Users(a)ovirt.org > >> http://lists.ovirt.org/mailman/listinfo/users > >> >

3 4

Re: [ovirt-users] [ovirt-devel] Feature Page: Mac Pool per DC
by Yevgeny Zaspitsky 28 Apr '14

28 Apr '14

Now for users(a)ovirt.org indeed. ----- Original Message ----- From: "Yevgeny Zaspitsky" <yzaspits(a)redhat.com> To: "Martin Mucha" <mmucha(a)redhat.com> Cc: users(a)ovrit.org, devel(a)ovirt.org Sent: Sunday, April 27, 2014 2:29:46 PM Subject: Re: [ovirt-devel] Feature Page: Mac Pool per DC Martin, I'd like to propose a different approach on how the ranges to be defined and stored. Discussing this feature with Moti raised the alternative UX design: Defining ranges could be added as a left-tab on create DC dialog and a sub-tab on an existing DC. It would be a table of start and end address fields and we can add a calculated # of MACs in the range and/or summary for the DC. Also that will make string parsing unneeded, prevent possible user mistakes in the string format and make possible validating every field of the range on the UI side easier. As you can see on the screenshot you've attached even a single range doesn't fit to the text box. In case of multiple ranges managing them in a single line textbox would be very uncomfortable. A range is an object with at least 2 members (start and end). And we have few of these for each data center. Storing a collection of the objects in a single field in a relational DB seems a bit awkward to me. That has few disadvantages: 1. is not normalized 2. make data validation nearly impossible 3. make querying the data very difficult 4. is restraining our ability to extend the object (e.g. a user might like to give a description to a range) So IMHO a satellite table with the FK to storage_pool would be a more robust design. Best regards, ____________________ Yevgeny Zaspitsky Senior Software Engineer Red Hat Israel ----- Original Message ----- From: "Martin Mucha" <mmucha(a)redhat.com> To: users(a)ovirt.org, devel(a)ovirt.org Sent: Thursday, April 10, 2014 9:59:44 AM Subject: [ovirt-devel] new feature Hi, I'd like to notify you about new feature, which allows to specify distinct MAC pools, currently one per data center. http://www.ovirt.org/Scoped_MacPoolManager any comments/proposals for improvement are very welcomed. Martin. _______________________________________________ Devel mailing list Devel(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/devel _______________________________________________ Devel mailing list Devel(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/devel

5 9

Add a Direct Lun via rest API (Oivrt 3.3.5)
by Gary Lloyd 28 Apr '14

28 Apr '14

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 -----------------------------------

2 1

Using Virtio-SCSI passthough on SCSI - Devices
by Daniel Helgenberger 28 Apr '14

28 Apr '14

--=-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. 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5 9

cloud-init woes w/ templates
by Andrew Lau 27 Apr '14

27 Apr '14

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

3 5

Unable to edit virt-v2v import VM - 3.4.0
by Trey Dockendorf 27 Apr '14

27 Apr '14

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

3 2

new feature
by Martin Mucha 26 Apr '14

26 Apr '14

Hi, I'd like to notify you about new feature, which allows to specify distinct MAC pools, currently one per data center. http://www.ovirt.org/Scoped_MacPoolManager any comments/proposals for improvement are very welcomed. Martin.

4 16

Network Security / Seperation
by squadra 26 Apr '14

26 Apr '14

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!

4 3

Ovirt snapshot failing on one VM
by Steve Dainard 26 Apr '14

26 Apr '14

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 *

5 15

oVirt 3.4 - Hosted Engine: Cluster Reboot procedure
by Daniel Helgenberger 26 Apr '14

26 Apr '14

--=-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. 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does SPM can run over ovirt-engine host ?
by Tamer Lima 25 Apr '14

25 Apr '14

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

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