October 2014 - Users - Ovirt List Archives

Re: [ovirt-users] oVirt 3.5 & Neutron (Will this work?)

by Phil Daws

Hi Moti: Have thrown together a diagram of how I think it should look :- https://cloudvault.innoffice247.com/public.php?service=files&t=9e57686453... As each oVirt host has a single activated NIC am trying to see how I can use OVS, to provide OSPF & SFLOW, and vLAN capability like I have used manually with KVM and OVS. From my dev machine this is how OVS looks: [root@dev01 ~]# ovs-vsctl show 55a2af2f-daf5-4f01-a757-9bccaf4f6932 Bridge "ovsbr0" Port "vnet0" Interface "vnet0" Port "vnet1" tag: 8 Interface "vnet1" Port "vnet13" tag: 14 Interface "vnet13" Port "vnet9" tag: 10 Interface "vnet9" Port "mgmt0" Interface "mgmt0" type: internal Port "vnet14" tag: 8 Interface "vnet14" Port "ovsbr0" Interface "ovsbr0" type: internal Port "vnet11" tag: 8 Interface "vnet11" Port "vnet10" tag: 13 Interface "vnet10" Port "vnet12" tag: 13 Interface "vnet12" Port "em1" Interface "em1" Port "vnet3" tag: 14 Interface "vnet3" Port "vnet4" tag: 20 Interface "vnet4" Port "vnet2" tag: 10 Interface "vnet2" ovs_version: "2.3.90" So I have a single NIC with a public facing IP and then I present that IP as a gateway, via the bridge, to a VM firewall which then handles the vlans inside that. Hope that makes sense ? Thanks, Phil ----- Original Message ----- From: "Phil Daws" <uxbod(a)splatnix.net> To: "Moti Asayag" <masayag(a)redhat.com> Cc: "users" <users(a)ovirt.org> Sent: Tuesday, 21 October, 2014 5:26:33 PM Subject: Re: [ovirt-users] oVirt 3.5 & Neutron (Will this work?) Hi Moti: thank you for detailed response. I will diagram what I am thinking as that should explain it a whole lot better :) Thanks, Phil ----- Original Message ----- From: "Moti Asayag" <masayag(a)redhat.com> To: "Phil Daws" <uxbod(a)splatnix.net> Cc: "users" <users(a)ovirt.org> Sent: Tuesday, 21 October, 2014 4:50:45 PM Subject: Re: [ovirt-users] oVirt 3.5 & Neutron (Will this work?) Hi Phil, See answers/questions inline. ----- Original Message ----- > From: "Phil Daws" <uxbod(a)splatnix.net> > To: "users" <users(a)ovirt.org> > Sent: Tuesday, October 21, 2014 6:05:55 PM > Subject: Re: [ovirt-users] oVirt 3.5 & Neutron (Will this work?) > > Hmmm, this is interesting as it would appear you can only use the Neutron > appliance with a brand new host ?!? so how does one switch to use it on a > current system ? A new host is not mandatory. You need to move an existing host to maintenance and reinstall it. On the "Re-install" dialog select the details of the network provider. > > Thanks, Phil > > ----- Original Message ----- > From: "Phil Daws" <uxbod(a)splatnix.net> > To: users(a)ovirt.org > Sent: Tuesday, 21 October, 2014 1:31:09 PM > Subject: [ovirt-users] oVirt 3.5 & Neutron (Will this work?) > > Hello: > > have installed oVirt 3.5 on two cloud based servers and then managing them > from a local engine using a VPN link. On each server I would like to use > the Neutron VM appliance so that I can provision the networks using > OpenVswitch as I would like to learn about using OSPF between the two > diverse systems. > Do you intend to use a single neutron appliance for each host or to use a single neutron appliance to manage connectivity on the two hosts ? > The question is that only physical NIC is enabled (public facing), and > occupies the ovirtmgmt network, so would I still be able to use Neutron on > the second NIC even though it is not connected to anything ? Is there L2 connectivity between the hosts ? Or by "not connected to anything" you actually mean there is no wiring between the hosts ? If this is the first case, you should be able to define for each subnet a gateway via the 'Add subnet' dialog on the engine. That gateway should be used for obtaining connectivity for the vms to the public/external network. You'll have to configure it manually though (doesn't covered as part of the ovirt-neutron integration). If there is really no connectivity between the hosts and the only outgoing traffic from each host is via the ovirtmgmt network - it is problematic. According to [1], you'll have to specify as bridge mappings on the network provider agent details: br-neutron:ovirtmgmt, where ovirtmgmt will replace the neutron. But that also implies that you'll share any traffic going through the integration bridge of neutron and the hosts with the management network and respectively with the public network, hence the dhcp agents connected to br-int (which is connected to br-neutron and to ovirtmgmt) will receive request from the 'ovirtmgmt' network as well. Haven't tried it myself, and can't expect the results. [1] http://www.ovirt.org/images/2/2a/Neutron-appliance-topology.png > Or could I > bind the Neutron network to the same one as the ovirtmgmt ? Basically wish > to run the VMs with private IPs and then NAT through a VM firewall to the > public address. > > Any help would be gratefully appreciated. > > Thanks, Phil > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users

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Changing iSCSI LUN host IP and changing master domain

by Trey Dockendorf

I had a catastrophic failure of the IB switch that was used by all my storage domains. I had one data domain that was NFS and one that was iSCSI. I managed to get the iSCSI LUN detached using the docs [1] but now I noticed that somehow my master domain went from the NFS domain to the iSCSI domain and I'm unable to switch them back. How does one change the master? Right now I am having issues getting iSCSI over TCP to work, so am sort of stuck with 30 VMs down and an entire cluster inaccessible. Thanks, - Trey [1] http://www.ovirt.org/Features/Manage_Storage_Connections

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VMs cannot be started, stuck in migration

by Trey Dockendorf

I recently had my IB switch go down which brought down all storage connections. As a result all VMs were either paused or entered an unknown state. After many hours they are all finally in the "off" state according to the web GUI. When I try and start some VMs I get the following message: "Cannot run VM. VM ns01 is being migrated". There are 0 tasks in the web GUI and the state in web GUI is "off" for that VM. The engine.log just shows this line: 2014-10-21 11:32:17,274 INFO [org.ovirt.engine.core.bll.RunVmCommand] (ajp--127.0.0.1-8702-4) [3f235291] Failed to Acquire Lock to object EngineLock [exclusiveLocks= key: 552aa31c-249e-46fe-9bcb-efd135aff4a6 value: VM , sharedLocks= ] 2014-10-21 11:32:17,276 WARN [org.ovirt.engine.core.bll.RunVmCommand] (ajp--127.0.0.1-8702-4) [3f235291] CanDoAction of action RunVm failed. Reasons:VAR__ACTION__RUN,VAR__TYPE__VM,ACTION_TYPE_FAILED_VM_IS_BEING_MIGRATED,$VmName ns01 Suggestions?

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First oVirt 3.5 "hosted-engine deploy" hangs

by Scott Worthington

Hello, I am adding an additional VM Host to a single hosted-engine-ha configuration using oVirt 3.5 The "first run" of "hosted-engine --deploy" hangs at: # hosted-engine --deploy [ INFO ] Stage: Initializing Continuing will configure this host for serving as hypervisor and create a VM where you have to install oVirt Engine afterwards. Are you sure you want to continue? (Yes, No)[Yes]: Yes [ INFO ] Generating a temporary VNC password. [ INFO ] Stage: Environment setup Configuration files: [] Log file: /var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20141021131134-y0r01e.log Version: otopi-1.3.0 (otopi-1.3.0-1.el6) [ INFO ] Hardware supports virtualization [ INFO ] Stage: Environment packages setup [ INFO ] Stage: Programs detection [ INFO ] Stage: Environment setup <hung here> Is this still the problem: https://bugzilla.redhat.com/show_bug.cgi?id=1055153 To get "hosted-engine --deploy" to work, I have to kill the hung session and execute "hosted-engine --deploy" a second time and the process will continue. # ps auxwww | grep hosted root 24129 0.5 0.0 442548 49392 pts/1 S+ 13:11 0:02 /usr/bin/python -B -m otopi.__main__ APPEND:BASE/pluginPath=str:/usr/share/ovirt-hosted-engine-setup/scripts/../plugins APPEND:BASE/pluginGroups=str:ovirt-hosted-engine-setup OVESETUP_CORE/offlinePackager=bool:True PACKAGER/yumpackagerEnabled=bool:False Is there a work around to stop the hanging if I want to add a 3rd host? Thank you for your assistance, ScottW

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oVirt 3.5 & Neutron (Will this work?)

by Phil Daws

Hello: have installed oVirt 3.5 on two cloud based servers and then managing them from a local engine using a VPN link. On each server I would like to use the Neutron VM appliance so that I can provision the networks using OpenVswitch as I would like to learn about using OSPF between the two diverse systems. The question is that only physical NIC is enabled (public facing), and occupies the ovirtmgmt network, so would I still be able to use Neutron on the second NIC even though it is not connected to anything ? Or could I bind the Neutron network to the same one as the ovirtmgmt ? Basically wish to run the VMs with private IPs and then NAT through a VM firewall to the public address. Any help would be gratefully appreciated. Thanks, Phil

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Cluster settings: "KSM Control" not working?

by Frank Wall

Hi, while testing oVirt 3.5 RC I've came across this cluster setting: Optimization -> KSM control -> [X] Enable KSM I guess it's related to Kernel Same-page Merging. Since KSM is a bad idea in my case (really slow CPUs), I've disabled this Cluster setting, expecting oVirt to disable KSM on each oVirt Node. But KSM is still running and consuming a lot CPU. 1) What is the expected result for this setting? 2) And how do I completely and permanentely disable KSM on oVirt Nodes? Regards - Frank

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Enable to set VM maintenance reason?

by Daniel Helgenberger

In oVirt 3.5, Cluster Settings, General -> "Enable to set VM maintenance reason" What does this one do? -- Daniel Helgenberger m box bewegtbild GmbH P: +49/30/2408781-22 F: +49/30/2408781-10 ACKERSTR. 19 D-10115 BERLIN www.m-box.de www.monkeymen.tv Geschäftsführer: Martin Retschitzegger / Michaela Göllner Handeslregister: Amtsgericht Charlottenburg / HRB 112767

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Re: [ovirt-users] [Fwd: options for root and password]

by Thompson, John H. (GSFC-606.2)[Computer Sciences Corporation]

Thanks to all for the great dialogue! We will proceed with the suggestions. On 10/21/14 4:00 AM, "Yair Zaslavsky" <yzaslavs(a)redhat.com> wrote: > > >----- Original Message ----- >> From: "Alon Bar-Lev" <alonbl(a)redhat.com> >> To: "Sven Kieske" <s.kieske(a)mittwald.de> >> Cc: users(a)ovirt.org >> Sent: Tuesday, October 21, 2014 10:49:02 AM >> Subject: Re: [ovirt-users] [Fwd: options for root and password] >> >> >> >> ----- Original Message ----- >> > From: "Sven Kieske" <s.kieske(a)mittwald.de> >> > To: users(a)ovirt.org >> > Sent: Tuesday, October 21, 2014 10:40:39 AM >> > Subject: Re: [ovirt-users] [Fwd: options for root and password] >> > >> > >> > On 21/10/14 09:21, Sven Kieske wrote: >> > > I don't know if this is still valid, I don't find any >> > > options regarding public/private keys in ovirt 3.3. but >> > > I would be very interested in this topic to tighten security. >> > >> > It just turns out this already works in ovirt 3.3.2 >> > maybe even earlier, but I would like to know >> > if the point about host key validation on the mentioned wiki >> > page is still true, as I think this would be cve-worthy. >> >> When host is added its ssh fingerprint is recorded in database, and is >> enforced from this point on. >> Only at Edit Host dialog it can be modified. >> You can also pre-fetch the fingerprint before adding the host at Add >>Host >> dialog in order to confirm that it is the correct host, it will add this >> fingerprint to database and enforce it when adding the host too. > > >CC'ing Yaniv Bronheim who was the feature owner for ssh fingerprint usage >during host addition. >I guess Yaniv can confirm exactly which version it was added. > > >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >_______________________________________________ >Users mailing list >Users(a)ovirt.org >http://lists.ovirt.org/mailman/listinfo/users

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importing a qcow2 disk into ovirt 3.5?

by Paul Jansen

---1603101515-1160661801-1413894801=:64226 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable >On 21/10/14 07:27, Paul Jansen wrote: >>I've just been doing some searchin= g to try and work out how to get a vmware windows VM into ovirt. >>It seems= that the newest virtv2v has dropped support for importing from an ESXi sta= ndalone machine - and now only works with vcenter. I didn't have any succe= ss with using the current virt-v2v attaching to an ESXi host. >>>>>>I've pr= epared the VM by first removing the vmware tools and have installled the va= rious virtio drivers, as well as running the 'mergeide' registry file to en= able IDE. I've used 'qemu-img' to convirt this VMDK file to QCOW2. It doe= s not appear that there is a straightforward way for me to import this new = qcow2 disk into ovirt. >>>>It seems my best option at the moment is to expo= rt the VMware VM as an OVA and then try and use a newer virt-v2v to import = this into ovirt. >>Alternatively I could construct a VM in virt-manager and= attach the converted qcow2 disk to it, and then use virt-v2v to import this into ovirt. >>>>Can someone suggest an alternative course of a= ction? It seems strange that I can't just import a disk into ovirt, const= ruct a VM and attach the disk. >>>>Is there anything int he works to make t= his process easier? >Did you consult the documentation of virt-v2v ? >Imho= all the information you need is there, but I didn't test this >myself so y= mmv. >Here's the link: virt-v2v >HTH >-- >Mit freundlichen Gr=FC=DFen / Reg= ards >Sven Kieske=0A =0A =0Avirt-v2v=0ANAME SYNOPSIS DESCRIPTION = INPUT AND OUTPUT MODES EXAMPLES Convert from VMware vCenter server to local= libvirt Convert from ESX to RHEV-M/oVirt Convert disk image to OpenStack g= lance =0AView on libguestfs.org Preview by Yahoo =0A =0A=0A=0AHi Sven.= =0AYes, I've had a look at that doco. I've even built up a Centos 7 machin= e and installed the EL7.1 libguestfs preview, which contains the very recen= t 1.28 release of libguestfs.=0AI'd be most interested to hear peoples expe= riences doing these kinds of operations.=0AI remeber Sandro was soliciting = feedback about how the import process could be improved not long ago. It s= eems this is still an area that needs a bit of polish in ovirt - not to tak= e away from the significant work that Richard Jones in doing with libguestf= s and the associated tools.=0A ---1603101515-1160661801-1413894801=:64226 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:He= lveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, Sans-Serif;fo= nt-size:12px"><pre style=3D"" class=3D"">>On 21/10/14 07:27, Paul Jansen= wrote:=0A>><i style=3D"" class=3D""> I've just been doing some searc= hing to try and work out how to get a vmware windows VM into ovirt.=0A</i>&= gt;><i style=3D"" class=3D""> It seems that the newest virtv2v has dropp= ed support for importing from an ESXi standalone machine - and now only wor= ks with vcenter. I didn't have any success with using the current virt-v2v= attaching to an ESXi host.=0A</i>>><i style=3D"" class=3D""> =0A</i>= >><i style=3D"" class=3D""> =0A</i>>><i style=3D"" class=3D""> = I've prepared the VM by first removing the vmware tools and have installled= the various virtio drivers, as well as running the 'mergeide' registry fil= e to enable IDE. I've used 'qemu-img' to convirt this VMDK file to QCOW2. = It does not appear that there is a straightforward way for me to import th= is new qcow2 disk into ovirt.=0A</i>>><i style=3D"" class=3D""> =0A</= i>>><i style=3D"" class=3D""> It seems my best option at the moment i= s to export the VMware VM as an OVA and then try and use a newer virt-v2v t= o import this into ovirt.=0A</i>>><i style=3D"" class=3D""> Alternati= vely I could construct a VM in virt-manager and attach the converted qcow2 = disk to it, and then use virt-v2v to import this into ovirt.=0A</i>>>= <i style=3D"" class=3D""> =0A</i>>><i style=3D"" class=3D""> Can some= one suggest an alternative course of action? It seems strange that I can't= just import a disk into ovirt, construct a VM and attach the disk.=0A</i>= >><i style=3D"" class=3D""> =0A</i>>><i style=3D"" class=3D""> = Is there anything int he works to make this process easier?=0A</i>=0A>Di= d you consult the documentation of virt-v2v ?=0A>Imho all the informatio= n you need is there, but I didn't test this=0A>myself so ymmv.=0A=0A>= Here's the link:=0A<a style=3D"" class=3D"" href=3D"http://libguestfs.org/v= irt-v2v.1.html">virt-v2v</a>=0A=0A>HTH=0A=0A>-- =0A>Mit freundlich= en Gr=FC=DFen / Regards=0A=0A>Sven Kieske</pre><div style=3D"width:450px= ; font-family: 'Georgia', 'Times', 'Times New Roman', 'serif';margin-top:5p= x; margin-bottom: 5px;" id=3D"enhancrCard_0" class=3D"" contenteditable=3D"= false"><table class=3D"" style=3D"width:450px; height:auto; position: relat= ive; display: block;" border=3D"0" cellpadding=3D"0" cellspacing=3D"0"><tbo= dy style=3D"" class=3D""><tr style=3D"" class=3D""><td class=3D"" colspan= =3D"7" style=3D"height: 1px; background-color: #e5e5e5; font-size: 1px; bor= der-collapse: collapse;"><div class=3D"" style=3D"height: 1px; background-c= olor: #e5e5e5; font-size: 1px; line-height:0px;"> </div></td></tr><tr = style=3D"" class=3D""><td rowspan=3D"5" class=3D"" style=3D"width: 1px; bac= kground-color: #e5e5e5; font-size: 1pt; border-collapse: collapse;"><div cl= ass=3D"" style=3D"width: 1px; background-color: #e5e5e5; font-size: 1pt;">&= nbsp;</div></td><td rowspan=3D"5" class=3D"" style=3D"width: 14px; backgrou= nd-color: #ffffff; font-size: 0pt; border-collapse: collapse;"><div class= =3D"" style=3D"width: 14px; background-color: #ffffff; font-size: 14pt;"> <= /div></td><td colspan=3D"2" class=3D"" style=3D"height: 6px; background-col= or: #ffffff; font-size: 0pt; border-collapse: collapse;"><div class=3D"" st= yle=3D"height: 6px; background-color: #ffffff; font-size: 6pt;"> </div= ></td><td rowspan=3D"5" class=3D"" style=3D"width: 20px; background-color: = #ffffff; font-size: 0pt; border-collapse: collapse;"><div class=3D"" style= =3D"width: 20px; background-color: #ffffff; font-size: 20pt;"> </div><= /td><td class=3D"" rowspan=3D"5" style=3D"width: 1px; background-color: #e5= e5e5; font-size: 1pt; border-collapse: collapse;" width=3D"1"><div class=3D= "" style=3D"width: 1px; background-color: #e5e5e5; font-size: 1pt;"> <= /div></td></tr><tr style=3D"" class=3D""><td class=3D"" colspan=3D"2" style= =3D"width: 100%; vertical-align: middle; font-family: 'Georgia', 'Times', '= Times New Roman', 'serif';"><div class=3D"" style=3D"line-height:16.5px; ba= ckground-color: #ffffff; width: 414px;"><div class=3D"" style=3D"word-wrap: break-word; word-break: break-= all;"><span style=3D"" class=3D""></span><span style=3D"" class=3D""></span= ><a href=3D"http://libguestfs.org/virt-v2v.1.html" class=3D"" style=3D"text= -decoration: none !important; color: #000000 !important; line-height: 100%;= font-size: 18px; display: block;"><span class=3D"" style=3D"margin: 0; fon= t-weight: normal;margin-bottom: 3px; font-size: 18px; line-height: 21px; ma= x-height: 43px; color: #000000; overflow: hidden !important; display: inlin= e-block;">virt-v2v</span></a><div style=3D"font-size: 13px; line-height: 20= px; color: #999999; max-height: 81px; font-family: 'Georgia', 'Times', 'Tim= es New Roman', 'serif';overflow: hidden;" class=3D"">NAME SYNOPSIS DESCRIPT= ION INPUT AND OUTPUT MODES EXAMPLES Convert from VMware vCenter server to l= ocal libvirt Convert from ESX to RHEV-M/oVirt Convert disk image to OpenSta= ck glance </div></div></div></td></tr><tr style=3D"" class=3D""><td colspan= =3D"2" class=3D"" style=3D"height: 6px; background-color: #ffffff; font-size: 0pt; border-co= llapse: collapse;"><div class=3D"" style=3D"height: 6px; background-color: = #ffffff; font-size: 6pt;"></div></td></tr><tr style=3D"" class=3D""><td cla= ss=3D"" style=3D"vertical-align: middle; font-family: 'Arial', 'Helvetica N= eue', 'Helvetica', 'sans-serif';"><div class=3D"" style=3D"font-size: 0pt;"= ><a href=3D"http://libguestfs.org/virt-v2v.1.html" class=3D"" style=3D"colo= r: black; text-decoration: none !important;cursor:pointer !important;" targ= et=3D"_blank"><span class=3D"" style=3D"display: inline-block; line-height:= 11px; max-width: 314px; min-width: 254px; overflow: hidden; max-height: 13= px; word-break: break-all;"><span class=3D"" style=3D"vertical-align:middle= ; font-size: 9px; line-height: 11px; color: #999999; -moz-text-size-adjust:= none; -ms-text-size-adjust: none; -webkit-text-size-adjust:none; text-size= -adjust:none;">View on <span style=3D"font-weight: bold" class=3D"">libguestfs.org</span></span></span></a></div></td><td class=3D"= " style=3D"vertical-align: middle; width: 100px; font-family: 'Arial', 'Hel= vetica Neue', 'Helvetica', 'sans-serif';"><div class=3D"" style=3D"max-widt= h: 100px; min-width: 80px; overflow: hidden; text-align: right; line-height= : 11px; max-height: 13px; font-size: 0pt;"><span class=3D"" style=3D"vertic= al-align:middle; font-size: 9px; line-height: 11px; color: #999999; -moz-te= xt-size-adjust: none; -ms-text-size-adjust: none; -webkit-text-size-adjust:= none; text-size-adjust:none;">Preview by Yahoo</span></div></td></tr><tr st= yle=3D"" class=3D""><td colspan=3D"2" class=3D"" style=3D"height: 9px; back= ground-color: #ffffff; font-size: 0pt; border-collapse: collapse;"><div cla= ss=3D"" style=3D"height: 9px; background-color: #ffffff; font-size: 9pt;"><= /div></td></tr><tr style=3D"" class=3D""><td class=3D"" colspan=3D"7" style= =3D"height: 1px; background-color: #e5e5e5; font-size: 1px; border-collapse= : collapse;"><div class=3D"" style=3D"height: 1px; background-color: #e5e5e5; font-size: 1px; line-heig= ht:0px"> </div></td></tr></tbody></table></div><div style=3D"" class= =3D""><br style=3D""></div><div style=3D"" class=3D""><br class=3D"" style= =3D"">Hi Sven.</div><div style=3D"" class=3D"">Yes, I've had a look at that= doco.  I've even built up a Centos 7 machine and installed the EL7.1 = libguestfs preview, which contains the very recent 1.28 release of libguest= fs.</div><div style=3D"" class=3D"">I'd be most interested to hear peoples = experiences doing these kinds of operations.</div><div style=3D"" class=3D"= ">I remeber Sandro was soliciting feedback about how the import process cou= ld be improved not long ago.  It seems this is still an area that need= s a bit of polish in ovirt - not to take away from the significant work tha= t Richard Jones in doing with libguestfs and the associated tools.</div><di= v style=3D"" class=3D""><br style=3D"" class=3D""></div></div></body></html= > ---1603101515-1160661801-1413894801=:64226--

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Which hardware to use for oVirt

by Andy Michielsen

Hello, Any of you had some expierience with the dell poweredge VRTX system ? Kind regards.

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Users October 2014