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Add disk image from node command line?
by Chris Adams 12 Jul '17

12 Jul '17

I have a qcow2 disk image sitting on the local filesystem of one node. Is there a way to copy this image to oVirt (into an iSCSI storage domain) without copying it to my desktop and uploading through the web UI? -- Chris Adams <cma(a)cmadams.net>

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trying to use raw disks from foreign KVM directly in oVirt
by Matthias Leopold 12 Jul '17

12 Jul '17

hi, i'm using a KVM system that creates it's disks in raw format as LVM logical volumes. there's one VG with one LV per disk. the physical devices for these LVM entities are iSCSI devices. now my idea was to use these disks directly in oVirt as "Direct LUN". i did the following: - stopped the foreign KVM domain - deactivated the LV that is the disk - reconfigured the SAN so the iSCSI device is removed from foreign KVM host and is visible to the oVirt hosts - created an oVirt "Direct LUN" disk with the iSCSI device - created a VM in oVirt, attached the "Direct LUN" disk to it and set the "bootable" flag - started the VM - console displays "boot failed: not a bootable disk" :-( i tried virtIO, virtIO-SCSI, IDE interfaces for the disk, no change i ran "scan alignment" for the disk, no change i tried without bootable flag, no change strange thing is the wrong virtual size the oVirt GUI display for this disk, GUI says virtual size is 372GB, "qemu-img info" (in the oVirt host) says virtual size is 47GB (which was the size in the foreign KVM system) what could be wrong? can this work at all? could LVM metadata from the old system be a problem? i know the whole operation is a litte crazy, but if this worked the migration process would be so much easier... thx matthias

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[ovirt 4.1] tutorial for external Scheduling policy
by TranceWorldLogic . 12 Jul '17

12 Jul '17

Hi, Can some one point me to some document or tutorial for external Scheduling policy ? I want to understand this feature "external scheduling policy" but not got any idea how to implement that. Please point me some document [best will be tutorial or sample code]. Thanks, ~Rohit

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oVIRT 4.1 / iSCSI Multipathing / Dell Compellent
by Devin Acosta 11 Jul '17

11 Jul '17

I just installed a brand new Dell Compellent SAN for use with our oVIRT 4.1.3 fresh installation. I presented a LUN of 30TB to the cluster over iSCSI 10G. I went into the Storage domain and added a new storage mount called “dell-storage” and logged into each of the ports for the target. It detects the targets just right and the Dell SAN is happy, until a host is rebooted at which point the iSCSI seems to choose to log into only one of the controllers and not all the paths that it originally logged into. At this point the Dell SAN shows only 1/2 connected and therefore my e-mail. When I looked at the original iscsiadm session information after initially joining to domain it shows correct connected to (1f,21,1e,20) ports. tcp: [11] 10.4.77.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1f (non-flash) tcp: [12] 10.4.77.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe21 (non-flash) tcp: [13] 10.4.78.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1e (non-flash) tcp: [14] 10.4.78.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe20 (non-flash) tcp: [15] 10.4.77.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1f (non-flash) tcp: [16] 10.4.78.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1e (non-flash) After I reboot the hypervisor and it re-connects to the cluster it shows: tcp: [1] 10.4.78.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1e (non-flash) tcp: [2] 10.4.78.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1e (non-flash) tcp: [3] 10.4.77.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1f (non-flash) tcp: [4] 10.4.77.100:3260,0 iqn.2002-03.com.compellent:5000d310013dfe1f (non-flash) What is bizarre is it shows multiple connections to the same IP but it shows 2 connections to 1e, and 2 connections to 1f. It seems to selected only the top controller on each fault domain and not the bottom controller also. I did configure a “bond” inside the iSCSI Multipathing of selecting only the 2 VLANS together for the iSCSI. I didn’t select a target with it because wasn’t sure the proper configuration for this. If I selected both virtual and target port the cluster goes down hard. Any ideas? Devin Acosta

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Detach disk from one VM, attach to another VM
by Davide Ferrari 11 Jul '17

11 Jul '17

Hello I'm using oVirt 4.1.3 and I was wondering if it's possible to detach a disk created specifically for a VM from that VM and attach it to another VM. Reading this https://www.ovirt.org/documentation/admin-guide/chap-Virtual_Machine_Disks/ it seems that's only possible with floating virtual disks, but I have a disk that was created for a specific VM. Thanks!

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Template for imported VMs?
by Eduardo Mayoral 11 Jul '17

11 Jul '17

Hi, I am using oVirt 4.1 and I am importing a significant number of VMs from VMWare. So far, everything is fine. However, I find that after importing each VM I have to modify some parameters of the imported VM (Timezone, VM type from desktop to server, VNC console...). I have those parameters changed on the "blank" template, but it seems that the import process is not picking that template as the base for the imported VM. Where is the import process picking the defaults for the imported VM from? Can those be changed? I have failed to find that information on the docs. Thanks in advance! -- Eduardo Mayoral Jimeno (emayoral(a)arsys.es) Administrador de sistemas. Departamento de Plataformas. Arsys internet. +34 941 620 145 ext. 5153

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[Ovirt 4.1] Hosted engine with glusterfs (2 node)
by TranceWorldLogic . 11 Jul '17

11 Jul '17

Hi, I was trying to setup hosted engine on 2 host machine but it not allowing to setup hosted engine on 2 node gluster file system. I have also modified vdsm.com to allow 2 replica count. But latter I found in code it is hard coded to 3 as shown below: ------------------- ------------------------------- ------------------------------ --------------- src/plugins/gr-he-setup/storage/nfs.py if* replicaCount != '3'*: raise RuntimeError( _( 'GlusterFS Volume is not using replica 3' ) ) ------------------- ------------------------------- ------------------------------ --------------- Can I get to know the reason to hard coded to 3 ? from online I got to know that split brain issue not get resolve automatically using 2 node gluster setup. But please let me know more (why 3 ? why not 2 or 4 ?) If I am missing something please let me know. Also want to understand, can quorum can solve 2 node gluster issue (split-brain) ? Thanks, ~Rohit

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virt-v2v to glusterfs storage domain
by Ramachandra Reddy Ankireddypalle 11 Jul '17

11 Jul '17

Hi, Does virt-v2v command work with glusterfs storage domain. I have an OVA image and that needs to be imported to glusterfs storage domain. Please provide some pointers to this. Thanks and Regards, Ram

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oVirt Node 4.1.2 offering RC update?
by Vinícius Ferrão 10 Jul '17

10 Jul '17

Hello, I’ve noted a strange thing on oVirt. On the Hosted Engine an update was offered and I was a bit confused, since I’m running the latest oVirt Node release. To check if 4.1.3 was already released I issued an “yum update” on the command line and for my surprise an RC release was offered. This not seems to be right: ====================================================================================================================== Package Arch Version Repository Size ====================================================================================================================== Installing: ovirt-node-ng-image-update noarch 4.1.3-0.3.rc3.20170622082156.git47b4302.el7.centos ovirt-4.1 544 M replacing ovirt-node-ng-image-update-placeholder.noarch 4.1.2-1.el7.centos Updating: ovirt-engine-appliance noarch 4.1-20170622.1.el7.centos ovirt-4.1 967 M Transaction Summary ====================================================================================================================== Install 1 Package Upgrade 1 Package Total download size: 1.5 G Is this ok [y/d/N]: N Is this normal behavior? This isn’t really good, since it can lead to stable to unstable moves on production. If this is normal, how can we avoid it? Thanks, V.

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node ng upgrade failed
by Grundmann, Christian 10 Jul '17

10 Jul '17

--_000_6A17C71B52524C408E7AAF69103E9E490FCE2C1Bfabamailserverf_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I tried to update to node ng 4.1.3 (from 4.1.1) which failed Jul 10 10:10:49 imgbased: 2017-07-10 10:10:49,986 [INFO] Extracting image '= /usr/share/ovirt-node-ng/image//ovirt-node-ng-4.1.3-0.20170709.0.el7.squash= fs.img' Jul 10 10:10:50 imgbased: 2017-07-10 10:10:50,816 [INFO] Starting base crea= tion Jul 10 10:10:50 imgbased: 2017-07-10 10:10:50,816 [INFO] New base will be: = ovirt-node-ng-4.1.3-0.20170709.0 Jul 10 10:10:51 imgbased: 2017-07-10 10:10:51,539 [INFO] New LV is: <LV 'on= n_cs-kvm-001/ovirt-node-ng-4.1.3-0.20170709.0' /> Jul 10 10:10:53 imgbased: 2017-07-10 10:10:53,070 [INFO] Creating new files= ystem on base Jul 10 10:10:53 imgbased: 2017-07-10 10:10:53,412 [INFO] Writing tree to ba= se Jul 10 10:12:04 imgbased: 2017-07-10 10:12:04,344 [INFO] Adding a new layer= after <Base ovirt-node-ng-4.1.3-0.20170709.0 [] /> Jul 10 10:12:04 imgbased: 2017-07-10 10:12:04,344 [INFO] Adding a new layer= after <Base ovirt-node-ng-4.1.3-0.20170709.0 [] /> Jul 10 10:12:04 imgbased: 2017-07-10 10:12:04,345 [INFO] New layer will be:= <Layer ovirt-node-ng-4.1.3-0.20170709.0+1 /> Jul 10 10:12:52 imgbased: 2017-07-10 10:12:52,714 [ERROR] Failed to migrate= etc#012Traceback (most recent call last):#012 File "/tmp/tmp.EMsKrrbmZs/u= sr/lib/python2.7/site-packages/imgbased/plugins/osupdater.py", line 119, in= on_new_layer#012 check_nist_layout(imgbase, new_lv)#012 File "/tmp/tmp= .EMsKrrbmZs/usr/lib/python2.7/site-packages/imgbased/plugins/osupdater.py",= line 173, in check_nist_layout#012 v.create(t, paths[t]["size"], paths[= t]["attach"])#012 File "/tmp/tmp.EMsKrrbmZs/usr/lib/python2.7/site-package= s/imgbased/volume.py", line 48, in create#012 "Path is already a volume:= %s" % where#012AssertionError: Path is already a volume: /var/log Jul 10 10:12:53 python: detected unhandled Python exception in '/tmp/tmp.EM= sKrrbmZs/usr/lib/python2.7/site-packages/imgbased/__main__.py' Jul 10 10:12:53 abrt-server: Executable '/tmp/tmp.EMsKrrbmZs/usr/lib/python= 2.7/site-packages/imgbased/__main__.py' doesn't belong to any package and P= rocessUnpackaged is set to 'no' Jul 10 10:15:10 imgbased: 2017-07-10 10:15:10,079 [INFO] Extracting image '= /usr/share/ovirt-node-ng/image//ovirt-node-ng-4.1.3-0.20170622.0.el7.squash= fs.img' Jul 10 10:15:11 imgbased: 2017-07-10 10:15:11,226 [INFO] Starting base crea= tion Jul 10 10:15:11 imgbased: 2017-07-10 10:15:11,226 [INFO] New base will be: = ovirt-node-ng-4.1.3-0.20170622.0 Jul 10 10:15:11 python: detected unhandled Python exception in '/tmp/tmp.pq= f2qhifaY/usr/lib/python2.7/site-packages/imgbased/__main__.py' Jul 10 10:15:12 abrt-server: Executable '/tmp/tmp.pqf2qhifaY/usr/lib/python= 2.7/site-packages/imgbased/__main__.py' doesn't belong to any package and P= rocessUnpackaged is set to 'no' How can I fix it? Thx Christian --_000_6A17C71B52524C408E7AAF69103E9E490FCE2C1Bfabamailserverf_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" xmlns=3D"http:= //www.w3.org/TR/REC-html40"> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang=3D"DE-AT" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> Hi,<o:p></o:p> I tried to update to node ng 4.= 1.3 (from 4.1.1) which failed<o:p></o:p> <o:p> </o:p> Jul 10 10:10:49 imgbased: 2017-= 07-10 10:10:49,986 [INFO] Extracting image '/usr/share/ovirt-node-ng/image/= /ovirt-node-ng-4.1.3-0.20170709.0.el7.squashfs.img'<o:p></o:p> Jul 10 10:10:50 imgbased: 2017-= 07-10 10:10:50,816 [INFO] Starting base creation<o:p></o:p> Jul 10 10:10:50 imgbased: 2017-= 07-10 10:10:50,816 [INFO] New base will be: ovirt-node-ng-4.1.3-0.20170709.= 0<o:p></o:p> Jul 10 10:10:51 imgbased: 2017-= 07-10 10:10:51,539 [INFO] New LV is: <LV 'onn_cs-kvm-001/ovirt-node-ng-4= .1.3-0.20170709.0' /><o:p></o:p> Jul 10 10:10:53 imgbased: 2017-= 07-10 10:10:53,070 [INFO] Creating new filesystem on base<o:p></o:p>= Jul 10 10:10:53 imgbased: 2017-= 07-10 10:10:53,412 [INFO] Writing tree to base<o:p></o:p> Jul 10 10:12:04 imgbased: 2017-= 07-10 10:12:04,344 [INFO] Adding a new layer after <Base ovirt-node-ng-4= .1.3-0.20170709.0 [] /><o:p></o:p> Jul 10 10:12:04 imgbased: 2017-= 07-10 10:12:04,344 [INFO] Adding a new layer after <Base ovirt-node-ng-4= .1.3-0.20170709.0 [] /><o:p></o:p> Jul 10 10:12:04 imgbased: 2017-= 07-10 10:12:04,345 [INFO] New layer will be: <Layer ovirt-node-ng-4.1.3-= 0.20170709.0+1 /><o:p></o:p> Jul 10 10:12:52 imgbased: 2017-= 07-10 10:12:52,714 [ERROR] Failed to migrate etc#012Traceback (most recent = call last):#012  File "/tmp/tmp.EMsKrrbmZs/usr/lib/python2.7/site= -packages/imgbased/plugins/osupdater.py", line 119, in on_new_layer#012    check_nist_layout(imgbase, new_= lv)#012  File "/tmp/tmp.EMsKrrbmZs/usr/lib/python2.7/site-package= s/imgbased/plugins/osupdater.py", line 173, in check_nist_layout#012&n= bsp;   v.create(t, paths[t]["size"], paths[t]["att= ach"])#012  File "/tmp/tmp.EMsKrrbmZs/usr/lib/python2.7/site-packages/imgbased/volume.= py", line 48, in create#012    "Path is already a = volume: %s" % where#012AssertionError: Path is already a volume: /var/= log<o:p></o:p> Jul 10 10:12:53 python: detecte= d unhandled Python exception in '/tmp/tmp.EMsKrrbmZs/usr/lib/python2.7/site= -packages/imgbased/__main__.py'<o:p></o:p> Jul 10 10:12:53 abrt-server: Ex= ecutable '/tmp/tmp.EMsKrrbmZs/usr/lib/python2.7/site-packages/imgbased/__ma= in__.py' doesn't belong to any package and ProcessUnpackaged is set to 'no'= <o:p></o:p> Jul 10 10:15:10 imgbased: 2017-= 07-10 10:15:10,079 [INFO] Extracting image '/usr/share/ovirt-node-ng/image/= /ovirt-node-ng-4.1.3-0.20170622.0.el7.squashfs.img'<o:p></o:p> Jul 10 10:15:11 imgbased: 2017-= 07-10 10:15:11,226 [INFO] Starting base creation<o:p></o:p> Jul 10 10:15:11 imgbased: 2017-= 07-10 10:15:11,226 [INFO] New base will be: ovirt-node-ng-4.1.3-0.20170622.= 0<o:p></o:p> Jul 10 10:15:11 python: detecte= d unhandled Python exception in '/tmp/tmp.pqf2qhifaY/usr/lib/python2.7/site= -packages/imgbased/__main__.py'<o:p></o:p> Jul 10 10:15:12 abrt-server: Ex= ecutable '/tmp/tmp.pqf2qhifaY/usr/lib/python2.7/site-packages/imgbased/__ma= in__.py' doesn't belong to any package and ProcessUnpackaged is set to 'no'= <o:p></o:p> <o:p> </o:p> <o:p> </o:p> How can I fix it?<o:p></o:p></s= pan> <o:p> </o:p> Thx Christian<o:p></o:p>= </div> </body> </html> --_000_6A17C71B52524C408E7AAF69103E9E490FCE2C1Bfabamailserverf_--

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