- Users - oVirt List Archives

appliance upgrade 4.0 to 4.1
by Nelson Lameiras 26 Mar '17

26 Mar '17

------=_Part_30915384_1952305537.1490365544687 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello,=20 I'm trying to upgrade an appliance based oVirt install (2 nodes with centos= 7.3, ovirt 4.0) using "hosted-engine --upgrade-appliance" on one host.=20 After multiples tries, I always get this error at the end :=20 [ INFO ] Running engine-setup on the appliance=20 |- Preparing to restore:=20 |- - Unpacking file '/root/engine_backup.tar.gz'=20 |- FATAL: Backup was created by version '4.0' and can not be restored using= the installed version 4.1=20 |- HE_APPLIANCE_ENGINE_RESTORE_FAIL=20 [ ERROR ] Engine backup restore failed on the appliance=20 is this normal?=20 is this process not yet compatible with oVirt 4.1 appliance?=20 which is the "official" way to update oVirt from 4.0 to 4.1=20 I tried to do a "yum update && engine setup && reboot" on engine, and indee= d it works, but there is no rollback possible, so it seems a little dangero= urs (?)=20 cordialement, regards,=20 =09Nelson LAMEIRAS=20 Ing=C3=A9nieur Syst=C3=A8mes et R=C3=A9seaux / Systems and Networks enginee= r=20 Tel: +33 5 32 09 09 70=20 nelson.lameiras(a)lyra-network.com=20 www.lyra-network.com | www.payzen.eu=20 =09 =09 =09 Lyra Network, 109 rue de l'innovation, 31670 Lab=C3=A8ge, FRANCE=20 ------=_Part_30915384_1952305537.1490365544687 Content-Type: multipart/related; boundary="----=_Part_30915385_264956144.1490365544687" ------=_Part_30915385_264956144.1490365544687 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"font-family: arial, helvetica, sans-serif; font-s= ize: 12pt; color: #000000"><div>Hello,<br></div><div><br data-mce-bogus=3D"= 1"></div><div>I'm trying to upgrade an appliance based oVirt install (2 nod= es with centos 7.3, ovirt 4.0) using "hosted-engine --upgrade-appliance" on= one host.<br></div><div><br data-mce-bogus=3D"1"></div><div>After multiple= s tries, I always get this error at the end :<br data-mce-bogus=3D"1"></div= ><div><br data-mce-bogus=3D"1"></div><div>[ INFO  ] Running engine-set= up on the appliance<br>        &nbs= p; |- Preparing to restore:<br>       &n= bsp;  |- - Unpacking file '/root/engine_backup.tar.gz'<br>  =         |- FATAL: Backup was created by = version '4.0' and can not be restored using the installed version 4.1<br>&n= bsp;         |- HE_APPLIANCE_ENGINE= _RESTORE_FAIL<br>[ ERROR ] Engine backup restore failed on the appliance<br= ></div><div><br data-mce-bogus=3D"1"></div><div>is this normal? </div><div>= is this process not yet compatible with oVirt 4.1 appliance?<br data-mce-bo= gus=3D"1"></div><div>which is the "official" way to update oVirt from 4.0 t= o 4.1<br data-mce-bogus=3D"1"></div><div><br data-mce-bogus=3D"1"></div><di= v>I tried to do a "yum update && engine setup && reboot" on= engine, and indeed it works, but there is no rollback possible, so it seem= s a little dangerours (?)<br data-mce-bogus=3D"1"></div><div><br></div><div= data-marker=3D"__SIG_PRE__"><div>cordialement, regards,</div><div><br data= -mce-bogus=3D"1"></div><table style=3D"margin: 0px; table-layout: fixed; bo= rder: none; width: 345pt; padding: 0px;" data-mce-style=3D"margin: 0px; tab= le-layout: fixed; border: none; width: 345pt; padding: 0px;" width=3D"460" = cellspacing=3D"0" cellpadding=3D"0" border=3D"0"><tbody><tr><td style=3D"ma= rgin: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; li= ne-height: 16px; width: 86.25pt; text-align: left;" data-mce-style=3D"margi= n: 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-= height: 16px; width: 86.25pt; text-align: left;" width=3D"115" valign=3D"to= p"><a href=3D"https://www.lyra-network.com/" style=3D"border: none; text-de= coration: none; width: 100%; display: block; clear: both;" data-mce-href=3D= "https://www.lyra-network.com/" data-mce-style=3D"border: none; text-decora= tion: none; width: 100%; display: block; clear: both;"><img src=3D"cid:9b9b= 1cc896fb1e804856a3a3e82452e25a068bb8@zimbra" alt=3D"" data-mce-src=3D"/home= /admin@lyra-network.com/corporate-documents/element-signature_logo_lyra_115= x94.jpg" doc=3D"corporate-documents/element-signature_logo_lyra_115x94.jpg"= height=3D"94" width=3D"115" border=3D"0"></a><br data-mce-bogus=3D"1"></td= ><td style=3D"margin: 0; font-size: 11px; font-family: Arial,sans-serif; co= lor: #2b3c7a; line-height: 16px; width: 258.75pt;" data-mce-style=3D"margin= : 0; font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-h= eight: 16px; width: 258.75pt;" width=3D"345" valign=3D"top"><table style=3D= "margin: 0; width: 258.75pt; table-layout: fixed; border: none;" data-mce-s= tyle=3D"margin: 0; width: 258.75pt; table-layout: fixed; border: none;" wid= th=3D"345" cellspacing=3D"0" cellpadding=3D"0" border=3D"0"><tbody><tr><td = style=3D"font-size: 16px; font-family: Arial,sans-serif; color: #2b3c7a; li= ne-height: 18px; font-weight: bold;" data-mce-style=3D"font-size: 16px; fon= t-family: Arial,sans-serif; color: #2b3c7a; line-height: 18px; font-weight:= bold;">Nelson LAMEIRAS</td></tr><tr><td style=3D"font-family: Arial,sans-s= erif; color: #2b3c7a; font-size: 11px; line-height: 16px;" data-mce-style= =3D"font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11px; line-he= ight: 16px;">Ing=C3=A9nieur Syst=C3=A8mes et R=C3=A9seaux<span style=3D"fon= t-family: Arial,sans-serif; color: #337ab7; font-size: 11px;" data-mce-styl= e=3D"font-family: Arial,sans-serif; color: #337ab7; font-size: 11px;"> / Sy= stems and Networks engineer</span></td></tr><tr><td style=3D"line-height: 1= 6px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;" dat= a-mce-style=3D"line-height: 16px; font-family: 'Arial',sans-serif; color: #= 2b3c7a; font-size: 11px;"><span style=3D"font-family: Arial,sans-serif; col= or: #2b3c7a; font-size: 11px;" data-mce-style=3D"font-family: Arial,sans-se= rif; color: #2b3c7a; font-size: 11px;">Tel: +33 5 32 09 09 70</span></td></= tr><tr><td style=3D"line-height: 16px; font-family: 'Arial',sans-serif; col= or: #2b3c7a; font-size: 11px;" data-mce-style=3D"line-height: 16px; font-fa= mily: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;"><a href=3D"mail= to:nelson.lameiras@lyra-network.com" style=3D"font-size: 11px; font-family:= Arial,sans-serif; line-height: 16px; text-decoration: none;" data-mce-href= =3D"mailto:nelson.lameiras@lyra-network.com" data-mce-style=3D"font-size: 1= 1px; font-family: Arial,sans-serif; line-height: 16px; text-decoration: non= e;">nelson.lameiras(a)lyra-network.com</a><br data-mce-bogus=3D"1"></td></tr>= <tr><td style=3D"line-height: 16px; font-family: 'Arial',sans-serif; color:= #2b3c7a; font-size: 11px;" data-mce-style=3D"line-height: 16px; font-famil= y: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;"><a href=3D"https:/= /www.lyra-network.com/" style=3D"font-size: 11px; font-family: Arial,sans-s= erif; line-height: 16px; border: none; text-decoration: none;" data-mce-hre= f=3D"https://www.lyra-network.com/" data-mce-style=3D"font-size: 11px; font= -family: Arial,sans-serif; line-height: 16px; border: none; text-decoration= : none;">www.lyra-network.com</a> <a href=3D"https://payzen.eu" style=3D"fo= nt-size: 11px; font-family: Arial,sans-serif; line-height: 16px; border: no= ne; text-decoration: none;" data-mce-href=3D"https://payzen.eu" data-mce-st= yle=3D"font-size: 11px; font-family: Arial,sans-serif; line-height: 16px; b= order: none; text-decoration: none;"> | www.payzen.eu</a><br data-mce-bogus= =3D"1"></td></tr></tbody></table></td></tr></tbody></table><table style=3D"= margin: 0; table-layout: fixed; border: none; width: 345pt;" data-mce-style= =3D"margin: 0; table-layout: fixed; border: none; width: 345pt;" width=3D"4= 60" cellspacing=3D"0" cellpadding=3D"0"><tbody><tr><td style=3D"margin: 0; = font-size: 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height= : 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2 2

Getting error when i try to assign logical networks to interfaces
by martin chamambo 25 Mar '17

25 Mar '17

I havent set up any hooks and when i try to assign logical networks to an already existing interface on the host ,it gives me this error Hook error: Hook Error: ('Traceback (most recent call last):\n File "/usr/libexec/vdsm/hooks/before_network_setup/50_fcoe", line 18, in <module>\n from vdsm.netconfpersistence import RunningConfig\nImportError: No module named netconfpersistence\n',)

3 6

installing a new host when engine in 4.1 and 4.1.1 just released
by Gianluca Cecchi 25 Mar '17

25 Mar '17

Hello, suppose current situation with 4.1.1 just released: - my environment is in 4.1 with an engine a DC/Cluster with some hosts - I configure a new DC/Cluster/Host connected to the same engine - when I add the 4.1 repo for the host and install host from the engine, the picked up packages are indeed 4.1.1, while my engine is still 4.1 Does this constitute a problem? If this is the case, how to install a 4.1 (not 4.1.1) host if I have still engine in 4.1 and I have not intention to upgrade right now? On this new host I got for example ovirt-release41-4.1.1-1.el7.centos.noarch vdsm-4.19.10-1.el7.centos.x86_64 while on my current hosts I have ovirt-release41-4.1.0-1.el7.centos.noarch vdsm-4.19.4-1.el7.centos.x86_64 Thanks, Gianluca

2 1

iSCSI Discovery cannot detetect LUN
by Lukáš Kaplan 24 Mar '17

24 Mar '17

Hello all, please do you have some experience with troubleshooting adding of iSCSI domain to ovirt 4.1.1? I am chalenging this issue now: 1) I have successfuly installed oVirt 4.1.1 environment with self-hosted engine, 3 nodes and 3 storages (iSCSI Master domain, iSCSI for hosted engine and NFS ISO domain). Everything is working now. 2) But, when I want to add new iSCSI domain, I can discover it, I can login, but I cant see any LUN on that storage. (I had same problem in oVirt 4.1.0, so I made upgrade to 4.1.1) 3) Then I tryed to add this storage to another oVirt environment (oVirt 3.6) and there are no problem. I can see LUN on that storage and I can connect it to oVirt. I tryed to examine vdsm.log, but it is very detailed and unredable for me :-/ Thak you in advance, have a nice day, -- Lukas Kaplan

2 1

Libvirtd Segfault
by Aaron West 24 Mar '17

24 Mar '17

Hi Guys, I've been having some issues this week with my oVirt 4.1 install on CentOS 7... It was previously working great but I made a couple of alterations(which I've mostly backed out now) and I ran a yum update followed by a reboot, however. after it came back up I couldn't start any virtual machines... The oVirt web interface reports : VDSM Local command SpmStatusVDS failed: Heartbeat exceeded VDSM Local command GetStatsVDS failed: Heartbeat exceeded VM My_Workstation is down with error. Exit message: Failed to find the libvirt domain. Plus some other errors so I checked my "dmesg" output and libvirtd seems to segfault : [70835.914607] libvirtd[10091]: segfault at 0 ip 00007f681c7e7721 sp 00007f680c7d2740 error 4 in libvirt.so.0.2000.0[7f681c73a000+353000] Next I checked logs but I couldn't find anything that seemed relevant to me, I mean I see lots of oVirt complaining but that makes sense if libvirtd segfaults right? So last ditch effort was try and use strace and hope with my limited knowlege I spot something uselful but I didn't so I've attahced the strace output to this email in the hope someone else might.

2 1

Self-Hosted install on fresh centos 7
by Cory Taylor 24 Mar '17

24 Mar '17

I am having some difficulty setting up a self hosted engine on a new install of centos 7, and would appreciate any help. upon hosted-engine --deploy, I get this: [ ERROR ] Failed to execute stage 'Misc configuration': [Errno 1] Operation not permitted: '/var/run/vdsm/storage/39015a62-0f8f-4b73-998e-5a4923b060f0/9d1ebe53-9997-46fe-a39f-aff5768eae59' the relevant error in vdsm.log: Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/vdsm/storage/task.py", line 878, in _run return fn(*args, **kargs) File "/usr/lib/python2.7/site-packages/vdsm/logUtils.py", line 52, in wrapper res = f(*args, **kwargs) File "/usr/share/vdsm/storage/hsm.py", line 3145, in prepareImage raise se.VolumeDoesNotExist(leafUUID) VolumeDoesNotExist: Volume does not exist: (u'b5b2412a-f825-43f2-b923-191216117d25',) 2017-03-24 11:19:17,572-0400 INFO (jsonrpc/0) [storage.TaskManager.Task] (Task='82952b56-0894-4a25-b14c-1f277d20d30a') aborting: Task is aborted: 'Volume does not exist' - code 201 (task:1176) 2017-03-24 11:19:17,573-0400 ERROR (jsonrpc/0) [storage.Dispatcher] {'status': {'message': "Volume does not exist: (u'b5b2412a-f825-43f2-b923-191216117d25',)", 'code': 201}} (dispatcher:78) 2017-03-24 11:19:17,573-0400 INFO (jsonrpc/0) [jsonrpc.JsonRpcServer] RPC call Image.prepare failed (error 201) in 0.01 seconds (__init__:552) 2017-03-24 11:19:17,583-0400 INFO (jsonrpc/2) [dispatcher] Run and protect: createVolume(sdUUID=u'39015a62-0f8f-4b73-998e-5a4923b060f0', spUUID=u'53edef91-404b-45d6-8180-48c59def4e01', imgUUID=u'bff0948c-0916-49f8-9026-c23a571b8abe', size=u'1048576', volFormat=5, preallocate=1, diskType=2, volUUID=u'b5b2412a-f825-43f2-b923-191216117d25', desc=u'hosted-engine.lockspace', srcImgUUID=u'00000000-0000-0000-0000-000000000000', srcVolUUID=u'00000000-0000-0000-0000-000000000000', initialSize=None) (logUtils:51) logs: https://gist.github.com/anonymous/542443c68e5c9ebef9225ec1c358d627

2 3

Upgrade from 3.6 to 4.1
by Brett Holcomb 24 Mar '17

24 Mar '17

I am currently running oVirt 3.6 on a physical server using hosted engine environment. I have one server since it's a lab setup. The storage is on a Synology 3615xs iSCSI LUN so that's where the vms are. I plan to upgrade to 4.1 and need to check to make sure I understand the procedure. I've read the oVirt 4.1 Release Notes and they leave some questions. First they say I can simply install the 4.1 release repo update all the ovirt-*-setup* and then run engine-setup. 1. I assume this is on the engine VM running on the host physical box. 2. What does engine-setup do. Does it know what I have and simply update or do I have to go through setup again. 3. Then do I go to the host and update all the ovirt stuff? However, they then say for oVirt Hosted Engine follow a link for upgrading which takes me to a Not Found :( page but did have a link back to the release notes which link to the Not Found which.... So what do I need to know about upgrading a hosted engine setup that there are no directions for. Are there some gotchas? I thought that the release notes said I just had to upgrade the engine and then the host. Given that my VMs are on iSCSI what happens if things go bad and I have to start from scratch. Can I import the VMs created under 3.6 into 4.1 or do I have to do something else like copy them somewhere for backup. Any other hints and tips are appreciated. Thanks.

3 2

Re: [ovirt-users] Bulk move vm disks?
by nicolas＠devels.es 24 Mar '17

24 Mar '17

You can use oVirt 4.1 with the ovirt-engine-sdk-python package version 3.x, they are backwards compatible. Regards. El 2017-03-24 11:12, gflwqs gflwqs escribió: > Ok Thank you Nicolas we are using ovirt4.1.. > > Regards > Christian > > 2017-03-24 12:03 GMT+01:00 <nicolas(a)devels.es>: > >> El 2017-03-24 10:29, Ernest Beinrohr escribió: >> On 24.03.2017 11 [1]:11, gflwqs gflwqs wrote: >> >> Hi list, >> I need to move 600+ vms:from one data domain to another, however >> from what i can see in the GUI i can only move one vm disk at the >> time which would be very time consuming. >> >> I there any way i can bulk move those vm disks? >> By the way, I can't stop the vms they have to be online during the >> migration.. >> This is my python program: >> >> # ... API init >> >> vms= api.vms.list(query = 'vmname') > > If you're planning to do it that way, make sure you install version > 3.x of ovirt-engine-sdk-python. Newer versions (4.x) differ too much > in syntax. > > Also, if you want to move a whole Storage Domain, you might be > interested in listing VMs by the storage domain name, i.e.: > > api.vms.list(query='Storage=myoldstoragedomain') > > That will return a list of all machines in that storage domain. > >> for vm in vms: >> print vm.name [2] >> for disk in vm.disks.list( ): >> print " disk: " + disk.name [3] + " " + disk.get_alias() >> sd = api.storagedomains.get('NEWSTORAGE') >> >> try: >> disk.move(params.Action(storage_domain=sd)) >> >> disk_id = disk.get_id() >> while True: >> print("Waiting for movement to complete ...") >> time.sleep(10) >> disk = vm.disks.get(id=disk_id) >> if disk.get_status().get_state() == "ok": >> break >> >> except: >> print "Cannot move." >> >> api.disconnect() >> >> -- >> >> Ernest Beinrohr, AXON PRO >> Ing [1], RHCE [2], RHCVA [2], LPIC [3], VCA [4], >> +421-2-62410360 [4] +421-903-482603 [5] >> >> Links: >> ------ >> [1] http://www.beinrohr.sk/ing.php [6] >> [2] http://www.beinrohr.sk/rhce.php [7] >> [3] http://www.beinrohr.sk/lpic.php [8] >> [4] http://www.beinrohr.sk/vca.php [9] >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users [10] > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users [10] > > > > Links: > ------ > [1] tel:24.03.2017%2011 > [2] http://vm.name > [3] http://disk.name > [4] tel:%2B421-2-62410360 > [5] tel:%2B421-903-482603 > [6] http://www.beinrohr.sk/ing.php > [7] http://www.beinrohr.sk/rhce.php > [8] http://www.beinrohr.sk/lpic.php > [9] http://www.beinrohr.sk/vca.php > [10] http://lists.ovirt.org/mailman/listinfo/users

1 0

Re: [ovirt-users] Bulk move vm disks?
by Staniforth, Paul 24 Mar '17

24 Mar '17

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[Python SDK] Setup Host network with IP address
by TranceWorldLogic . 24 Mar '17

24 Mar '17

Hi, I am trying to setup network via python sdk as shown below: myhost_service.setup_networks( modified_network_attachments = [ types.NetworkAttachment( host = myhost, host_nic = types.HostNic(name="eth0"), network = types.Network(name="Hello"), ip_address_assignments = [ types.IpAddressAssignment( assignment_method = types.BootProtocol.STATIC, ip = types.Ip( address="192.168.300.10", netmask="255.255.255.0", version=types.IpVersion.V4, ), ) ], ), ] ) But I am getting below error: "ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is "[Bad format of IPv4 address]". HTTP response code is 400." Please help me. Ovirt release version = 4.0 Thanks, ~Rohit

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ovirt Node Building
by shubham dubey 24 Mar '17

24 Mar '17

Hello, I have recently build ovirt-engine from source using this link( http://www.ovirt.org/develop/developer-guide/engine/engine-development-envi…) Now I want to build ovirt node using this( http://www.ovirt.org/develop/projects/node/building/) I am confused that can I build that node on the same system as of ovirt-engine or I need to do these steps on any other system. Thanks, Shubham

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strange behavior of ovirt-node ng update
by Sergey Kulikov 23 Mar '17

23 Mar '17

I have one Ovirt Node in my test cluster(others are centos), I'm observing strange behavior of update checker in engine. In options I can see: engine=# select * from vdc_options where option_name='OvirtNodePackageNamesForCheckUpdate'; option_id | option_name | option_value | version -----------+-------------------------------------+----------------------------+--------- 124 | OvirtNodePackageNamesForCheckUpdate | ovirt-node-ng-image-update | general (1 row) so it tries to check for updated version of ovirt-node-ng-image-update, but there is no ovirt-node-ng-image-update package installed inside updated node image, so engine always shows available updates on this node to the same version: > Check for available updates on host XXX was completed successfully with message 'found updates for packages ovirt-node-ng-image-4.1.1-1.el7.centos, ovirt-node-ng-image-update-4.1.1-1.el7.centos'. I saw a bug in bugzilla, that it should be fixed in 4.0 Initially engine was set up as 4.x version, after that updated between releases and finally to 4.1.0, and today to 4.1.1. I saw this behavior on 4.1.0 node and also on 4.1.1, on this page: http://www.ovirt.org/node/4.0/update/ Maybe my OvirtNodePackageNamesForCheckUpdate was changed between releases, but engine-setup left it untouched and i should change it manually? If so, what it should look like? --

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ovirt-shell backup
by Marcin Kruk 23 Mar '17

23 Mar '17

Hello is it possible to execute below actions from the ovirth-shell: 1. Make snapshot ( ovirt-shell -E 'add snapshot --parent-vm-name <vmname> --description <desc> ) 2. Make clone from snaphot above ( ? ) 3. Export clone ( ? )

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VMs changing to unknown state
by Michael Watters 23 Mar '17

23 Mar '17

I have an ovirt host running ovirt 4.0 which keeps putting the VMs running on that host into an unknown state. I checked the vdsm logs and there are several errors similar to below. Mar 20 10:16:11 ovirt-node-production3.example.com vdsm[17123]: vdsm root ERROR Unhandled exception Traceback (most recent call last): File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 372, in wrapper return f(*a, **kw) File "/usr/share/vdsm/virt/migration.py", line 624, in run self.monitor_migration() File "/usr/share/vdsm/virt/migration.py", line 657, in monitor_migration job_stats = self._vm._dom.jobStats() File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 69, in f ret = attr(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 123, in wrapper ret = f(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 917, in wrapper return func(inst, *args, **kwargs) File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1387, in jobStats if ret is None: raise libvirtError ('virDomainGetJobStats() failed', dom=self) libvirtError: Requested operation is not valid: domain is not running Restarting vdsmd resolves the issue however I would like to resolve the issue permanently. Does anybody know what would cause this?

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Roadmap
by Julián Tete 23 Mar '17

23 Mar '17

Hi Friends of oVirt Is there any roadmap for oVirt for 2017 and 2018? Any roadmap for oVirt by versions? 4.2.X, 4.3.X, 4.4.X Thank you

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NFS ISO domain from hosted-engine VM
by Devin A. Bougie 23 Mar '17

23 Mar '17

Hi, All. Are there any recommendations or best practices WRT whether or not to host an NFS ISO domain from the hosted-engine VM (running the oVirt Engine Appliance)? We have a hosted-engine 4.1.1 cluster up and running, and now just have to decide where to serve the NFS ISO domain from. Many thanks, Devin

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hosted-engine with iscsi storage domain
by Devin A. Bougie 23 Mar '17

23 Mar '17

We have a hosted-engine running on 4.1 with an iSCSI hosted_storage domain, and are able to import the domain. However, we cannot attache the domain to the data center. Just to make sure I'm not missing something basic, does the engine VM need to be able to connect to the iSCSI target itself? In other words, does the iSCSI traffic need to go over the ovirtmgmt bridged network? Currently we have the iSCSI SAN on a separate subnet from ovirtmgmt, so the hosted-engine VM can't directly see the iSCSI storage. Thanks, Devin

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Python-SDK: ovirtsdk4.Connection object autologout?
by nicolas＠devels.es 23 Mar '17

23 Mar '17

Hi, We've recently upgraded from oVirt 4.0.x to 4.1.0 and it seems that the behavior of a script we wrote in Python-SDK has changed slightly. We have a script that needs to be executed forever (daemon mode). This daemon creates an ovirtsdk4.Connection object and uses the same Connection object all the time. conn = sdk.Connection( url=URI, username=USERNAME, password=PASSWORD, ca_file=CAFILE ) Between iterations we have ~5 minutes delays which we accomplish with a time.sleep(...) call. After some of these iterations (5 or 6), when trying to perform an operation on the Connection object (in this case, listing all SDs): try: sys_serv = conn.system_service() sd_serv = sys_serv.storage_domains_service() storages = sd_serv.list(search=sd_search_query) except Error, e: log('ERR: Error getting storage domains: %s' % (e)) We start getting exceptions (i.e., the sd_serv.list() call throwing an Error exception) with this message: ERR: Error getting storage domains: HTTP response code is 401. I believe this has something to do with the Connection object expiring (even if it's not idle more than 5 minutes at any time). Is there a way to "refresh" the Connection object so it doesn't auto-logout (assuming this is the actual problem)? As I said, this started happening as of oVirt 4.1.0. ovirt-engine-sdk-python version is 4.1.1. Any ideas? Thanks.

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ACTION_TYPE_FAILED_NO_SERVERS_FOR_CLUSTER
by Davide Ferrari 23 Mar '17

23 Mar '17

I get this error when I click " Gluster status is disconnected for this host. Restart Glusterd service" in the Genral tab of a the sole host in a new cluster. I've enabled "Manage Gluster" in the cluster options and already created a new gluster volume (via CLI) with bricks only in the hosts that are part of this new cluster. -- Davide Ferrari Senior Systems Engineer

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How to attach Host device to VM ?
by TranceWorldLogic . 23 Mar '17

23 Mar '17

Hi, I have created an LVM device( /dev/myvg/lvm1 ) in Host. I want that device to attach with VM. Can I attach device to VM via vdsClient ? If yes, please provide me example command that I need to run. Thanks, ~Rohit

1 0

Expand an ovirt+glusterfs cluster
by Davide Ferrari 23 Mar '17

23 Mar '17

Hello I have a 4 node oVirt 4.0 cluster running on top of glusterfs volumes, managed by the oVirt cluster (option ticked in the cluster properties) Now, I'm adding several new nodes to this cluster with a better CPU (Broadwell vs Haswell) but now comes the "bad" part. Out of enthusiasm I've already added storage from these new servers to the data volume already present and used by the current cluster. In fact now ovirt has detected new hosts and it's asking me if I want to add these host to the cluster. But there are two problems: 1) I want to create a new, Broadwell cluster 2) I'm using a separate VLAN+domain name for gluster, and oVirt is proposing me to use the gluster (storage) domain names as the new hosts identifier. What are the right steps/actions to take now? It's a running production system. Thanks in advance -- Davide Ferrari Senior Systems Engineer

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ovirt 4.1 - mount recovery iso for failing vm ?
by Ian Neilsen 23 Mar '17

23 Mar '17

Guys I've spent the day reading any and all content on recovering a failing to boot vm under ovirt 4.1 and am finding many cmds are deprecated , old processes no longer work. What is the correct way to mount an iso to perform recovery on a boot partition of a failing VM in oVirt 4.1? vm.conf, virsh, virt-edit, vmhost.xml, vdsClient, new vda, way too many options and no singular right way to do this that works well. -- Ian Neilsen Mobile: 0424 379 762 Linkedin: http://au.linkedin.com/in/ianneilsen Twitter : ineilsen

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how to handle mount options for hosted engine on glusterfs
by /dev/null 23 Mar '17

23 Mar '17

Hi, how do i make the hosted_storage aware of gluster server failure? In --deploy i cannot provide backup-volfile-servers. In /etc/ovirt-hosted-engine/hosted-engine.conf there is an mnt_options line, but i read (https://github.com/oVirt/ovirt-hosted-engine-setup/commit/995c6a65ab897d804…) that this settings get lost during deployment on seconday servers. Is there an official way to deal with that? Should this option be set manualy on all nodes? Thanks! /dev/null -- Diese Nachricht wurde auf Viren und andere gefährliche Inhalte untersucht und ist - aktuelle Virenscanner vorausgesetzt - sauber. For all your IT requirements visit: http://www.transtec.co.uk

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How to set priority for HA VM via Python SDK ?
by TranceWorldLogic . 23 Mar '17

23 Mar '17

Hi, I want to set priority of Highly Available VM as High via python SDK. I provided information as shown below: vm = self.vms_service.add( vm = types.Vm ( high_availability = types.HighAvailability( enabled = True, priority = 1, ), ), ) As see above priority we have to provide as number but in GUI we can choose drop down menu as ("LOW", "MID" and "HIGH"). I wan to set priority as "HIGH", which integer value I have to set in priority ? I tried with 1 and 3 it shows "LOW" in both cases. Please help me. Thanks, ~Rohit

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Interest in contributing to oVirt
by Konrad Djimeli 22 Mar '17

22 Mar '17

Hello, My name is Konrad Djimeli a third year Computer Science Student at the University of Buea, Cameroon. I am interested in contributing to oVirt and I would like to work on the Google Summer of Code project "ovirt4cli". I am very comfortable working with Python and I have experience working with web services like REST. Please I would appreciate any suggestion on how to get started and to better familiarize myself with the project. Thanks Konrad http://djimeli.me/

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