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ovirt 4.1 hosted engine: Resize or Change "hosted-engine" Data Domain
by yayo (j) 08 Jan '18

08 Jan '18

hi at all, We have the "hosted engine" Data domain on a FC LUN too big for only the hosted-engine so we want to create another little FC LUN and move the hosted-engine vm on this new LUN and destroy old one ... Is there any official workflow or how to to do this operation? Or, someone can guide me? Thank you!

3 6

oVirt 4.2 translations
by Sandro Bonazzola 08 Jan '18

08 Jan '18

Hi, oVirt project is going to finalize translations, if you have time and want to contribute translations to your native language, the project is spread over the following four links: https://translate.zanata.org/iteration/view/ovirt/ovirt-4.2 https://translate.zanata.org/iteration/view/ovirt-engine- dashboard/ovirt-dashboard-1.2 https://translate.zanata.org/iteration/view/ovirt-web-ui/1.3.0 If you have some extra time you might also consider contributing translations to Red Hat downstream: https://translate.zanata.org/iteration/view/rhevm-branding/rhvm-4.2 Thanks -- SANDRO BONAZZOLA ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>

1 0

How to simulate update of ng node from 4.1.7 to 4.1.8
by Gianluca Cecchi 08 Jan '18

08 Jan '18

Suppose I download both the isos: the fixed one for 4.1.17 here: http://resources.ovirt.org/pub/ovirt-4.1/iso/ovirt-node-ng-installer-ovirt/… and the 4.1.8 here: http://resources.ovirt.org/pub/ovirt-4.1/iso/ovirt-node-ng-installer-ovirt/… and I want to simulate install of 4.1.7 from the iso and then update of the ng node to 4.1.8 without internet access but using in some way the 4.1.8 iso (or something derived from it) on my local lan, how can I do? Thanks, Gianluca

2 1

[CORRECTED] Can't create 2nd network for VMs in DMZ zone
by Andrei V 08 Jan '18

08 Jan '18

Hi ! Made a typo in previous message, sorry. I'm having difficulty to utilize 2nd NIC on HP Proliant server in order to connect guest VM to DMZ (engine, node and all other guest VMs are on internal zone). I tried to use PCI passthrough, downed ifcfg-enp3s4f1 on node host, created vNic profile "PCI NIC Passthrough", network named "Node10-NIC2", then Virtual Machines -> Network Interfaces -> nic 2 of type PCI Passthrough and profile above. Unfortunately, guest OS (SuSE Leap 42.3) still don't recognize this NIC. This 2nd NIC is visible on Compute -> Hosts -> Network Interfaces. I can assign it network named "Node10-NIC2". However, right now I'm working from the remote, if node net setup get screwed, it will be a big problem. In the archive I found that this 2nd NIC must be up with no IP and default route. Is this correct definition of ifcfg-enp3s4f1? NetworkManager is disabled on node. TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=no IPV4_FAILURE_FATAL=no IPV6INIT=no NM_CONTROLLED=no NAME=enp3s4f1 UUID=09f96366-e4a9-4e6e-a090-7267ed102d36 DEVICE=enp3s4f1 ONBOOT=yes Thanks in advance Andrei V

2 1

How power-saving schedule policy applied?
by Alex Shen 08 Jan '18

08 Jan '18

This is a multipart message in MIME format. ------=_NextPart_000_0093_01D388B2.B43A6B40 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi, I'm wondering how to apply power-saving schedule in ovirt cluster(version i= s 4.2.0.2-1.el7.centos)? Is there any instruction or manual with UI snapshots= guidance? That will be appreciated. I've configed all host with ipmilan protocol and test ok. I suppose that power saving policy should converge VMs into hosts one by one. Something like that. From the beginning, all hosts are in 'power off' state, if a VM launch, power saving scheduling module should power on one host, and assign= VM into that host. With many VMs activated, exceeding the threshold, power saving scheduling module should turn on another host. If anyone had played power saving scheduling policy, please share me your scenarios or some hints. Thanks a lot. Alex --- Avast =E9=98=B2=E6=AF=92=E8=BD=AF=E4=BB=B6=E5=B7=B2=E5=AF=B9=E6=AD=A4=E7=94= =B5=E5=AD=90=E9=82=AE=E4=BB=B6=E6=89=A7=E8=A1=8C=E7=97=85=E6=AF=92=E6=A3=80= =E6=9F=A5=E3=80=82 https://www.avast.com/antivirus ------=_NextPart_000_0093_01D388B2.B43A6B40 Content-Type: text/html; charset="UTF-8" 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=3DContent-Type content= =3D"text/html; charset=3DUTF-8"><meta name=3DGenerator content=3D"Microsoft= Word 15 (filtered medium)"><style></style></head><body lang=3DZH-CN link=3D"#0563C1= " vlink=3D"#954F72" style=3D'text-justify-trim:punctuation'><div class=3DWo= rdSection1><p class=3DMsoNormal><span lang=3DEN-US>Hi,<o:p></o:p></span></p= ><p class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p cla= ss=3DMsoNormal><span lang=3DEN-US>I’m wondering how to apply power-sa= ving schedule in ovirt cluster(version is <span class=3Dgwt-inlinelabel>4.2= =2E0.2-1.el7.centos</span>)? Is there any instruction or manual with UI sna= pshots guidance? That will be appreciated. <o:p></o:p></span></p><p class= =3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p><p class=3DMsoN= ormal><span lang=3DEN-US>I’ve configed all host with ipmilan protocol= and test ok. I suppose that power saving policy should converge VMs into h= osts one by one. Something like that. From the beginning, all hosts are in = ‘power off’ state, if a VM launch, power saving scheduling modu= le should power on one host, and assign VM into that host. With many VMs ac= tivated, exceeding the threshold, power saving scheduling module should tur= n on another host…<o:p></o:p></span></p><p class=3DMsoNormal><span la= ng=3DEN-US><o:p> </o:p></span></p><p class=3DMsoNormal><span lang=3DEN= -US>If anyone had played power saving scheduling policy, please share me yo= ur scenarios or some hints. Thanks a lot.<o:p></o:p></span></p><p class=3DM= soNormal><span lang=3DEN-US><o:p> </o:p></span></p><p class=3DMsoNorma= l><span lang=3DEN-US>Alex<o:p></o:p></span></p></div><div id=3D"DAB4FAD8-2D= D7-40BB-A1B8-4E2AA1F9FDF2"><br /> <table style=3D"border-top: 1px solid #D3= D4DE;"> <tr> <td style=3D"width: 55px; padding-top: 18px;"><a href=3D"https://www.= avast.com/sig-email?utm_medium=3Demail&utm_source=3Dlink&utm_campaign=3Dsig= -email&utm_content=3Demailclient" target=3D"_blank"><img src=3D"https://ipm= cdn.avast.com/images/icons/icon-envelope-tick-round-orange-animated-no-repe= at-v1.gif" alt=3D"" width=3D"46" height=3D"29" style=3D"width: 46px; height= : 29px;" /></a></td> <td style=3D"width: 470px; padding-top: 17px; color: #41424e; font-size: = 13px; font-family: Arial, Helvetica, sans-serif; line-height: 18px;">=E6=97= =A0=E7=97=85=E6=AF=92=E3=80=82<a href=3D"https://www.avast.com/sig-email?ut= m_medium=3Demail&utm_source=3Dlink&utm_campaign=3Dsig-email&utm_content=3De= mailclient" target=3D"_blank" style=3D"color: #4453ea;">www.avast.com</a> = </td> </tr> </table> <a href=3D"#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2" width=3D"1" height=3D"1">= </a></div></body></html> ------=_NextPart_000_0093_01D388B2.B43A6B40--

1 0

Ovirt 4.0
by Marktvk 08 Jan '18

08 Jan '18

Hello, We have now running ovirt 4.0 for a specif reason we can not upgrade to the new version. If possible for 1 time to upgrade qemu-kvm to the new version for the fix with processors today ? I hope so.

1 0

Re: [ovirt-users] bad bond name when setting up hosted engine
by Karli Sjöberg 08 Jan '18

08 Jan '18

1 0

bad bond name when setting up hosted engine
by Sam McLeod 08 Jan '18

08 Jan '18

--Apple-Mail=_0F0D4FDF-F7DC-4344-9507-87656F59712C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I'm having a problem where when setting up hosted engine deployment it = fails stating that the selected bond name is bad. "code=3D25, message=3Dbad bond name(s): mgmt)" - Is there a problem similar to = https://bugzilla.redhat.com/show_bug.cgi?id=3D1519807 = <https://bugzilla.redhat.com/show_bug.cgi?id=3D1519807> that's known? - If it seems to be this bug, is it preferred that I simply update the = existing, closed issue as I have done, or open a new bug? -- Sam McLeod https://smcleod.net https://twitter.com/s_mcleod --Apple-Mail=_0F0D4FDF-F7DC-4344-9507-87656F59712C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><div = class=3D"">I'm having a problem where when setting up hosted engine = deployment it fails stating that the selected bond name is = bad.</div><div class=3D""><br class=3D""></div><div class=3D"">"code=3D25,= message=3Dbad bond name(s): mgmt)"</div><div class=3D""><br = class=3D""></div>- Is there a problem similar to <a = href=3D"https://bugzilla.redhat.com/show_bug.cgi?id=3D1519807" = class=3D"">https://bugzilla.redhat.com/show_bug.cgi?id=3D1519807</a> = that's known?<br class=3D""><div class=3D"">- If it seems to be this = bug, is it preferred that I simply update the existing, closed issue as = I have done, or open a new bug?</div><div class=3D""> <div dir=3D"auto" style=3D"color: rgb(0, 0, 0); letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: = break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" = class=3D""><div dir=3D"auto" style=3D"color: rgb(0, 0, 0); = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><div = dir=3D"auto" style=3D"word-wrap: break-word; -webkit-nbsp-mode: space; = line-break: after-white-space;" class=3D""><div style=3D"color: rgb(0, = 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br = class=3D"">--<br class=3D"">Sam McLeod<br class=3D""><a = href=3D"https://smcleod.net" class=3D"">https://smcleod.net</a><br = class=3D"">https://twitter.com/s_mcleod</div></div></div></div> </div> <br class=3D""></body></html>= --Apple-Mail=_0F0D4FDF-F7DC-4344-9507-87656F59712C--

4 6

Need input please.
by carl langlois 07 Jan '18

07 Jan '18

Hi again all, I really need your input on recovering my failed upgrade to 4.2. I do not now what manipulation i did to end up in this situation. First i have to host and a hosted_engine running on those Hosts. The engine is seem to be running fine. If i ssh to any hosts i can manage the hosted engine with hosted_engine command. The hosted engine can also migrate from one to the others if i put one host in local maintenance. In the web UI i can see evevrything but i am not able to do any action on the current data center, hosts, domain.. The main problem is that all host are stuck in not operational mode.. I do not know where to look for The only thing that i can see that is not working is this event [image: Inline image 1] I do i debug this SSLEngine problem... log? what to look in the log? Anything would help. here is some question : i would like to remove one host and adding it again but i am not able to remove from the UI. Is there a way to force the remove somewhere ? Thanks Carl

5 10

Can't create 2nd network for VMs in DMZ zone
by Andrei V 07 Jan '18

07 Jan '18

Hi ! I'm having difficulty to utilize 2nd NIC on HP Proliant server in order to connect guest VM to DMZ (engine, node and all other guest VMs are on internal zone). I tried to use PCI passthrough, downed ifcfg-enp3s4f1 on node host, created vNic profile "PCI NIC Passthrough", network named "Node10-NIC2", then Virtual Machines -> Network Interfaces -> nic 2 of type PCI Passthrough and profile above. Unfortunately, guest OS (SuSE Leap 42.3) still don't recognize this NIC. This 2nd NIC is visible on Compute -> Hosts -> Network Interfaces. I can assign it network named "Node10-NIC2". However, right now I'm working from the remote, if node net setup get screwed, it will be a big problem. In the archive I found that this 2nd NIC must be up with no IP and default route. Is this correct definition of ifcfg-enp3s4f1? NetworkManager is disabled on node. TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=no NM_CONTROLLED=no NAME=enp3s4f1 UUID=09f96366-e4a9-4e6e-a090-7267ed102d36 DEVICE=enp3s4f1 ONBOOT=yes Thanks in advance Andrei V

1 0

Local storage and multiple hosts in cluster
by Waqar Khan 07 Jan '18

07 Jan '18

Hi, I have 1 engine manager and 2 nodes. The 2 nodes are using local storage (this is for testing out ovirt and learning about it). I cannot however add 2 hosts to the same cluster in the same data centre without shared storage. Is there a workaround for this? Regards

2 1

ovirt 4.2 and hosted-engine storage migration
by gabriel_skupien＠o2.pl 06 Jan '18

06 Jan '18

Does it exist any supported procedure to migrate the hosted-engine from one NFS storage to another NFS storage? I would appreciate any clue regarding this matter.

1 0

Upgrade to 4.2
by carl langlois 06 Jan '18

06 Jan '18

Hi all, I have upgrade to 4.2 and have some problem getting everithing up and running again. The upgrade was made from latest 4.1. For now the engine dashboard can be access but all hosts, data center are all the status to "Not responsive" ... for now the only thing i found is ERROR ssl handshake: SSLError, address: from a systemctl status vdsmd Any help would be appreciated Carl

2 2

Re: [ovirt-users] Unable to add VM Portal successfully
by Jakub Niedermertl 05 Jan '18

05 Jan '18

Hi Pym, to deploy VM Portal (ovirt-web-ui) next to the engine one needs to compile it from sources to rpm package [1], and install it next to ovirt-engine package. Container deployment is not used by default. Technically ovirt-web-ui is another war application served by engine's Wildfly. See symlink /usr/share/ovirt-engine/ovirt-web-ui.war and configuration file /etc/ovirt-engine/engine.conf.d/50-ovirt-web-ui.conf of package ovirt-web-ui [2] for details. Best regards Jakub [1]: https://github.com/oVirt/ovirt-web-ui#build [2]: http://resources.ovirt.org/pub/ovirt-4.2/rpm/el7/noarch/ On Thu, Jan 4, 2018 at 10:58 AM, Pym <pym0914(a)163.com> wrote: > Hi: > > I recently built the ovirt-engine service in source code compilation, > which is now accessible through the web interface. However, there is no VM > Portal feature on the main page. After clicking, "404 - failed to find the > page". > > Next I found the source code for web- UI functionality at github, and I > wanted to install it through source compilation. I tried to follow the > above process, but the following problems occurred: > > " > [root@ovirttest ovirt-web-ui]# docker run --rm -it --network host > --add-host ovirttest.erc.com:10.100.211.113 -e ENGINE_URL= > https://ovirttest.erc.com/ovirt-engine -p 3000:3000 > mareklibra/ovirt-web-ui:latest > yarn start v0.24.4 > $ node scripts/start.js > Please authenticate against oVirt running at https://ovirttest.erc.com/o > virt-engine > oVirt user (admin@internal): admin > oVirt password: ****** > oVirt domain (internal-authz): ovirttest.erc.com > Failed obtaining oVirt auth token: Error: connect ECONNREFUSED > 10.100.211.113:443 > Done in 27.64s. > " > > How to make sure the container can reach the engine on this ip:port. > > Or there are other ways to solve this problem, which has been bothering me > for days. > > Thank you very much. > > > >

2 1

Ovirt update 4.2 crash
by Thomas Fecke 05 Jan '18

05 Jan '18

--_004_5e5ceee923ea447880f660f699109f85DR1XEXCH02Besetcorp_ Content-Type: multipart/alternative; boundary="_000_5e5ceee923ea447880f660f699109f85DR1XEXCH02Besetcorp_" --_000_5e5ceee923ea447880f660f699109f85DR1XEXCH02Besetcorp_ Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable Hey Guys, I wanna update ovirt 4.1 to 4.2. I followed the update guide but in the "yum update" I get following error m= essage: --> Konflikt wird verarbeitet: ovirt-engine-setup-plugin-ovirt-engine-4.2.0= .2-1.el7.centos.noarch kollidiert mit ovirt-engine < 4.1.7 --> Abh=E4ngigkeitsaufl=F6sung beendet Fehler: ovirt-engine-setup-plugin-ovirt-engine conflicts with ovirt-engine-= 4.1.5.2-1.el7.centos.noarch Sie k=F6nnen versuchen, mit --skip-broken das Problem zu umgehen. Sie k=F6nnten Folgendes versuchen: rpm -Va --nofiles -nodigest How to upgrade to 4.2? Thank you Guys Mit freundlichen Gr=FC=DFen / Best regards, Thomas Fecke Pre Sales Specialist +49 3641 3114 205 [ESET] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -= - - - - - - - - - - ESET Deutschland GmbH Spitzweidenweg 32 07743 Jena Deutschland www.eset.de<http://www.eset.de/> Amtsgericht Jena: HRB 508673 - Gesch=E4ftsf=FChrer: Miroslav Miku=B9 --_000_5e5ceee923ea447880f660f699109f85DR1XEXCH02Besetcorp_ Content-Type: text/html; charset="iso-8859-2" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 2"> <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang=3D"EN-US" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> <p class=3D"MsoNormal">Hey Guys,<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I wanna update ovirt 4.1 to 4.2. <o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I followed the update guide but in the “yum up= date” I get following error message:<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal"><span lang=3D"DE">--> Konflikt wird verarbeitet: = ovirt-engine-setup-plugin-ovirt-engine-4.2.0.2-1.el7.centos.noarch kollidie= rt mit ovirt-engine < 4.1.7<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"DE">--> Abh=E4ngigkeitsaufl=F6sung = beendet<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"DE">Fehler: ovirt-engine-setup-plugin-= ovirt-engine conflicts with ovirt-engine-4.1.5.2-1.el7.centos.noarch<o:p></= o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"DE">Sie k=F6nnen versuchen, mit --skip= -broken das Problem zu umgehen.<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"DE">Sie k=F6nnten Folgendes versuchen:= rpm -Va --nofiles –nodigest<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"DE"><o:p> </o:p></span></p> <p class=3D"MsoNormal">How to upgrade to 4.2? Thank you Guys<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal"><span lang=3D"DE" style=3D"font-size:10.0pt;mso-fare= ast-language:EN-GB">Mit freundlichen Gr=FC=DFen / Best regards,<o:p></o:p><= /span></p> <p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;mso-fareast-langu= age:EN-GB">Thomas Fecke<o:p></o:p></span></b></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;mso-fareast-language= :EN-GB"><br> Pre Sales Specialist<o:p></o:p></span></p> <p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;mso-fareast-language= :EN-GB">+49 3641 3114 205<br> <br> <o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"text-autospace:none"><span style=3D"font-fa= mily:"Calibri Light",sans-serif"><img width=3D"262" height=3D"37"= style=3D"width:2.7291in;height:.3854in" id=3D"Grafik_x0020_1" src=3D"cid:i= mage001.png(a)01D3865F.017A8C60" alt=3D"ESET"></span><span lang=3D"EN-GB" sty= le=3D"font-size:10.0pt;font-family:"Calibri Light",sans-serif;mso= 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ns-serif;mso-fareast-language:EN-GB"><o:p></o:p></span></p> <p class=3D"MsoNormal" style=3D"text-autospace:none"><span lang=3D"DE" styl= e=3D"font-size:10.0pt;font-family:"Calibri Light",sans-serif;colo= r:#343434;mso-fareast-language:EN-GB">Spitzweidenweg 32<o:p></o:p></span></= p> <p class=3D"MsoNormal" style=3D"text-autospace:none"><span lang=3D"DE" styl= e=3D"font-size:10.0pt;font-family:"Calibri Light",sans-serif;colo= r:#343434;mso-fareast-language:EN-GB">07743 Jena<br> Deutschland</span><span lang=3D"DE" style=3D"font-size:10.0pt;font-family:&= quot;Calibri Light",sans-serif;mso-fareast-language:EN-GB"><o:p></o:p>= </span></p> <p class=3D"MsoNormal" style=3D"text-autospace:none"><span lang=3D"DE" styl= e=3D"font-size:10.0pt;font-family:"Calibri Light",sans-serif;colo= r:#343434;mso-fareast-language:EN-GB"><o:p> </o:p></span></p> <p class=3D"MsoNormal" style=3D"text-autospace:none"><a href=3D"http://www.= eset.de/"><span lang=3D"DE" style=3D"font-size:10.0pt;font-family:"Cal= 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2 1

changing Master Storage Domain
by Giorgio Bersano 05 Jan '18

05 Jan '18

Hello, I've a question regarding Master Storage Domain. I did already search the net without results so I'm asking here. In our production setup (ovirt 4.1.7) we have five iSCSI Data Storage Domains and we unfortunately need to remove the one that is the Master SD. That's not difficult, I know the procedure as I did it in the past: - Move every disk belonging to the MSD to another SD - Put the MSD in maintenance - Detach it then Remove it Another SD is automatically selected as Master and everything should be OK (for the sake of simplicity i did not mention the other operations needed on the storage array and the hosts to phisically remove the LUN). The tricky part is I don't want a random choice, I want to choose which SD becomes the new Master. Is there any specific procedure to obtain this result? TIA, Giorgio.

2 2

[vdsm] status update: running containers alongside VMs
by Francesco Romani 05 Jan '18

05 Jan '18

Hi everyone, I'm happy to share some progress about the former "convirt"[1] project, which aims to let Vdsm containers alongside VMs, on bare metal. In the last couple of months I kept updating the patch series, which is approaching the readiness to be merged in Vdsm. Please read through this mail to see what the patchset can do now, how you could try it *now*, even before it is merged. Everyone is invited to share thoughts and ideas about how this effort could evolve. This will be a long mail; I will amend, enhance and polish the content and make a blog post (on https://mojaves.github.io) to make it easier to consume and to have some easy-to-find documentation. Later on the same content will appear also on the oVirt blog. Happy hacking! +++ # How to try how the experimental container support for Vdsm. Vdsm is gaining *experimental* support to run containers alongside VMs. Vdsm had since long time the ability to manage VMs which run containers, and recently gained support for [atomic guests](http://www.projectatomic.io/blog/2015/01/running-ovirt-guest-agent-as-privileged-container/). With the new support we are describing, you will be able to manage containers with the same, proven infrastructure that let you manage VMs. This feature is currently being developed and it is still not merged in the Vdsm codebase, so some extra work is needed if you want to try it out. We aiming to merge it in the oVirt 4.1.z cycle. ## What works, aka what to expect The basic features are expected to work: 1. Run any docker image on the public docker registry 2. Make the container accessible from the outside (aka not just from localhost) 3. Use file-based storage for persistent volumes ## What does not yet work, aka what NOT to expect Few things are planned and currently under active development: 1. Monitoring. Engine will not get any update from the container besides "VM" status (Up, Down...) One important drawback is that you will not be told the IP of the container from Engine, you will need to connect to the Vdsm host to discover it using standard docker tools. 2. Proper network integration. Some steps still need manual intervention 3. Stability and recovery - it's pre-alpha software after all! :) ## 1. Introduction and prerequisites Trying out container support affects only the host and the Vdsm. Besides add few custom properties (totally safe and supported since early 3.z), there are zero changes required to the DB and to Engine. Nevertheless, we recommend to dedicate one oVirt 4.y environment, or at least one 4.y host, to try out the container feature. To get started, first thing you need is to setup a vanilla oVirt 4.y installation. We will need to make changes to the Vdsm and to the Vdsm host, so hosted engine and/or oVirt node may add extra complexity, better to avoid them at the moment. The reminder of this tutorial assumes you are using two hosts, one for Vdsm (will be changed) and one for Engine (will require zero changes); furthermore, we assume the Vdsm host is running on CentOS 7.y. We require: - one test host for Vdsm. This host need to have one NIC dedicated to containers. We will use the [docker macvlan driver](https://raesene.github.io/blog/2016/07/23/Docker-MacVLAN/), so this NIC *must not be* part of one bridge. - docker >= 1.12 - oVirt >= 4.0.5 (Vdsm >= 4.18.15) - CentOS >= 7.2 Docker >= 1.12 is avaialable for download [here](https://docs.docker.com/engine/installation/linux/centos/) Caveats: 1. docker from official rpms conflicts con docker from CentOS, and has a different package name: docker-engine vs docker. Please note that the kubernetes package from CentOS, for example, require 'docker', not 'docker-engine'. 2. you may want to replace the default service file [with this one](https://github.com/mojaves/convirt/blob/master/patches/centos72/system… and to use this [sysconfig file](https://github.com/mojaves/convirt/blob/master/patches/centos72/syste…. Here I'm just adding the storage options docker requires, much like the CentOS docker is configured. Configuring docker like this can save you some troubleshooting, especially if you had docker from CentOS installed on the testing box. ## 2. Patch Vdsm to support containers You need to patch and rebuild Vdsm. Fetch [this patch](https://github.com/mojaves/convirt/blob/master/patches/vdsm/4.18.15.… and apply it against Vdsm 4.18.15.1. Vdsm 4.18.15.{1,2,...} are supported as well. Rebuild Vdsm and reinstall on your box. [centos 7.2 packages are here](https://github.com/mojaves/convirt/tree/master/rpms/centos72) Make sure you install the Vdsm command line client (vdsm-cli) Restart *both* Vdsm and Supervdsm, make sure Engine still works flawlessly with patched Vdsm. This ensure that no regression is introduced, and that your environment can run VMs just as before. Now we can proceed adding the container support. start docker: # systemctl start docker-engine (optional) # systemctl enable docker-engine Restart Vdsm again # systemctl restart vdsm Now we can check if Vdsm detects docker, so you can use it: still on the same Vdsm host, run $ vdsClient -s 0 getVdsCaps | grep containers containers = ['docker', 'fake'] This means this Vdsm can run containers using 'docker' and 'fake' runtimes. Ignore the 'fake' runtime; as the name suggests, is a test driver, kinda like /dev/null. Now we need to make sure the host network configuration is fine. ### 2.1. Configure the docker network for Vdsm PLEASE NOTE that the suggested network configuration assumes that * you have one network, `ovirtmgmt` (the default one) you use for everything * you have one Vdsm host with at least two NICs, one bound to the `ovirtmgmt` network, and one spare _This step is not yet automated by Vdsm_, so manual action is needed; Vdsm will take care of this automatically in the future. You can use [this helper script](https://github.com/mojaves/convirt/blob/master/patches/vdsm/cont-se…, which reuses the Vdsm libraries. Make sure you have patched Vdsm to support container before to use it. Let's review what the script needs: # ./cont-setup-net -h usage: cont-setup-net [-h] [--name [NAME]] [--bridge [BRIDGE]] [--interface [INTERFACE]] [--gateway [GATEWAY]] [--subnet [SUBNET]] [--mask [MASK]] optional arguments: -h, --help show this help message and exit --name [NAME] network name to use --bridge [BRIDGE] bridge to use --interface [INTERFACE] interface to use --gateway [GATEWAY] address of the gateway --subnet [SUBNET] subnet to use --mask [MASK] netmask to use So we need to feed --name, --interface, --gateway, --subnet and optionally --mask (default, /24, is often fine). For my case the default mask was indeed fine, so I used the script like this: # ./cont-setup-net --name ovirtmgmt --interface enp3s0 --gateway 192.168.1.1 --subnet 192.168.1.0 Thhis is the output I got: DEBUG:virt.containers.runtime:configuring runtime 'docker' DEBUG:virt.containers.command:* calling ['/bin/docker', 'network', 'inspect', 'ovirtmgmt'] Error: No such network: ovirtmgmt DEBUG:virt.containers.command:* called ['/bin/docker', 'network', 'inspect', 'ovirtmgmt'] DEBUG:virt.containers.runtime.Docker:config: cannot load 'ovirtmgmt', ignored DEBUG:virt.containers.command:* calling ['/bin/docker', 'network', 'create', '-d', 'macvlan', '--subnet=192.168.1.0/24', '--gateway=192.168.1.1', '--ip-range=192.168.1.0/24', '-o', 'parent=enp3s0', 'ovirtmgmt'] DEBUG:virt.containers.command:* called ['/bin/docker', 'network', 'create', '-d', 'macvlan', '--subnet=192.168.1.0/24', '--gateway=192.168.1.1', '--ip-range=192.168.1.0/24', '-o', 'parent=enp3s0', 'ovirtmgmt'] DEBUG:virt.containers.runtime:configuring runtime 'fake' You can clearly see what the script did, and why it needed the root privileges. Let's deoublecheck using the docker tools: # docker network ls NETWORK ID NAME DRIVER SCOPE 91535f3425a8 bridge bridge local d42f7e5561b5 host host local 621ab6dd49b1 none null local f4b88e4a67eb ovirtmgmt macvlan local # docker network inspect ovirtmgmt [ { "Name": "ovirtmgmt", "Id": "f4b88e4a67ebb7886ec74073333d613b1893272530cae4d407c95ab587c5fea1", "Scope": "local", "Driver": "macvlan", "EnableIPv6": false, "IPAM": { "Driver": "default", "Options": {}, "Config": [ { "Subnet": "192.168.1.0/24", "IPRange": "192.168.1.0/24", "Gateway": "192.168.1.1" } ] }, "Internal": false, "Containers": {}, "Options": { "parent": "enp3s0" }, "Labels": {} } ] Looks good! the host configuration is completed. Let's move to the Engine side. ## 3. Configure Engine As mentioned above, we need now to configure Engine. This boils down to: Add a few custom properties for VMs: In case you were already using custom properties, you need to amend the command line to not overwrite your existing ones. # engine-config -s UserDefinedVMProperties='volumeMap=^[a-zA-Z_-]+:[a-zA-Z_-]+$;containerImage=^[a-zA-Z]+(://|)[a-zA-Z]+$;containerType=^(docker|rkt)$' --cver=4.0 It is worth stressing that while the variables are container-specific, the VM custom properties are totally inuntrusive and old concept in oVirt, so this step is totally safe. Now restart Engine to let it use the new variables: # systemctl restart ovirt-engine The next step is actually configure one "container VM" and run it. ## 4. Create the container "VM" To finally run a container, you start creating a VM much like you always did, with few changes 1. most of the hardware-related configuration isn't relevant for container "VMs", besides cpu share and memory limits; this will be better documented in the future; unneeded configuration will just be ignored 2. You need to set some custom properties for your container "VM". Those are actually needed to enable the container flow, and they are documented in the next section. You *need* to set at least `containerType` and `containerImage`. ### 4.2. Custom variables for container support The container support needs some custom properties to be properly configured: 1. `containerImage` (*needed* to enable the container system). Just select the target image you want to run. You can use the standard syntax of the container runtimes. 2. `containerType` (*needed* to enable the container system). Selects the container runtime you want to use. All the available options are always showed. Please note that unavailable container options are not yet grayed out. If you *do not* have rkt support on your host, you still can select it, but it won't work. 3. `volumeMap` key:value like. You can map one "VM" disk (key) to one container volume (value), to have persistent storage. Only file-based storage is supported. Example configuration: `containerImage = redis` `containerType = docker` `volumeMap = vda:data` (this may not be needed, and the volume label is just for illustrative purposes) ### 4.2. A little bit of extra work: preload the images on the Vdsm host This step is not needed by the flow, and will be handled by oVirt in the future. The issue is how the container image are handled. They are stored by the container management system (rkt, docker) on each host, and they are not pre-downloaded. To shorten the duration of the first boot, you are advised to pre-download the image(s) you want to run. For example ## on the Vdsm host you want to use with containers # docker pull redis ## 5. Run the container "VM" You are now all set to run your "VM" using oVirt Engine, just like any existing VM. Some actions doesn't make sense for a container "VM", like live migration. Engine won't stop you to try to do those actions, but they will fail gracefully using the standard errors. ## 6. Next steps What to expect from this project in the future? For the integration with Vdsm, we want to fix the existing known issues, most notably: * add proper monitoring/reporting of the container health * ensure proper integration of the container image store with oVirt storage management * streamline the network configuration What is explicitely excluded yet is any Engine change. This is a Vdsm-only change at the moment, so fixing the following is currently unplanned: * First and foremost, Engine will not distinguish between real VMs and container VMs. Actions unavailable to container will not be hidden from UI. Same for monitoring and configuration data, which will be ignored. * Engine is NOT aware of the volumes one container can use. You must inspect and do the mapping manually. * Engine is NOT aware of the available container runtimes. You must select it carefully Proper integration with Engine may be added in the future once this feature exits from the experimental/provisional stage. Thanks for reading, make sure to share your thoughts on the oVirt mailing lists! +++ [1] we keep calling it that way _only_ internally, because it's a short name we are used to. After the merge/once we release it, we will use a different name, like "vdsm-containers" or something like it. -- Francesco Romani Red Hat Engineering Virtualization R & D Phone: 8261328 IRC: fromani

3 2

Configuring Gluster
by carl langlois 05 Jan '18

05 Jan '18

Hi all, I am in the process of adding GlusterFS storage to our already ovirt setup. I am using 4.1.8 for now but plan to upgrade to 4.2 later. I need your suggestions on what is the best approach for replacing my NFS storage to a GlusterFS storage.. Thanks for all your inputs. Carl

2 1

Re: [ovirt-users] Q: ext4 noatime/nidiratime for oVirt node mount points
by Yaniv Kaul 05 Jan '18

05 Jan '18

On Jan 4, 2018 7:01 PM, "Donny Davis" <donny(a)fortnebula.com> wrote: Yaniv, If there was a central logging server, would the hypervisors send them there and stop writing to disk (given its setup properly), or does it write them anyway? We ship logs to the central logging, not instead of logging them locally. I reckon you could mount /var/log somewhere remotely, but I do not think it makes sense. Our logging is not intensive and has log rotation configured, so I'm not sure what the issue is. A r/o partition or a cheap SD card with limited write wear? Y. https://www.ovirt.org/documentation/admin-guide/chap-Log_Files/ On Thu, Jan 4, 2018 at 11:43 AM, Yaniv Kaul <ykaul(a)redhat.com> wrote: > > > On Thu, Jan 4, 2018 at 5:04 PM, Donny Davis <donny(a)fortnebula.com> wrote: > >> That makes more sense. Have you measured the write load on the disks from >> just the hypervisor processes. I have included a screen shot from mine, and >> the load is very low.... in the Kilobytes/sec >> > > And those are probably the logs, which will be written anyway... > Y. > > >> >> I am not sure of the implications of changing these parameters, and I do >> not see an perceivable benefits from doing so. >> >> [image: Inline image 1] >> >> On Thu, Jan 4, 2018 at 9:51 AM, andreil1 <andreil1(a)starlett.lv> wrote: >> >>> >>> >>> On 4 Jan 2018, at 14:52, Donny Davis <donny(a)fortnebula.com> wrote: >>> >>> What is the purpose in putting these directives in for the hypervisor? >>> >>> >>> I have small node where system and data domains located on the same RAID. >>> Data domains are on separate partitions. >>> These options allow minimise disk access activity. >>> >>> >>> On Thu, Jan 4, 2018 at 6:46 AM, andreil1 <andreil1(a)starlett.lv> wrote: >>> >>>> Hi ! >>>> >>>> Is it safe to turn on these options (noatime, nodiratime) in oVirt node >>>> fstab for these mount points? >>>> /home >>>> / >>>> /tmp >>>> /var >>>> /var/log >>>> /var/log/audit >>>> >>>> Node 4.2 installed on CentOS, not with node DVD. >>>> >>>> Thanks. >>>> >>>> _______________________________________________ >>>> 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 >> >> >

2 1

[CVE-2017-5715] qemu-kvm-ev-2.9.0-16.el7_4.13.1 is now available for testing
by Sandro Bonazzola 04 Jan '18

04 Jan '18

Hi, qemu-kvm-ev-2.9.0-16.el7_4.13.1 <https://cbs.centos.org/koji/buildinfo?buildID=21119> is now available for testing. I'm testing it right now in oVirt CI, if nothing shows up, I'll tag it for release in a few hours. Here's the changelog: * Thu Jan 04 2018 Sandro Bonazzola <sbonazzo(a)redhat.com> - ev-2.9.0-16.el7_4.13.1 - Removing RH branding from package name * Thu Dec 14 2017 Miroslav Rezanina <mrezanin(a)redhat.com> - rhev-2.9.0-16.el7_4.13 - Fix CVE-2017-5715 * Thu Nov 16 2017 Miroslav Rezanina <mrezanin(a)redhat.com> - rhev-2.9.0-16.el7_4.12 - kvm-util-async-use-atomic_mb_set-in-qemu_bh_cancel.patch [bz#1513362] - Resolves: bz#1513362 (QEMU's AIO subsystem gets stuck inhibiting all I/O operations on virtio-blk-pci devices [rhel-7.4.z]) -- SANDRO BONAZZOLA ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>

1 1

Q: ext4 noatime/nidiratime for oVirt node mount points
by andreil1 04 Jan '18

04 Jan '18

Hi ! Is it safe to turn on these options (noatime, nodiratime) in oVirt node fstab for these mount points? /home / /tmp /var /var/log /var/log/audit Node 4.2 installed on CentOS, not with node DVD. Thanks.

4 6

How to install the engine manually?
by Pepe Pepe 04 Jan '18

04 Jan '18

3 5

Q: ext4 noatime/nidiratime for oVirt node mount points
by Service 04 Jan '18

04 Jan '18

Hi ! Is it safe to turn on these options (noatime, nodiratime) in oVirt node fstab for these mount points? /home / /tmp /var /var/log /var/log/audit Node 4.2 installed on CentOS, not with node DVD. Thanks.

2 1

need to close spice remote-viewer after some time with proxy
by Gianluca Cecchi 04 Jan '18

04 Jan '18

Hello, in 4.1 I had the problem that connecting to remote-console and leaving there inactive, after some time I cannot use it any more (mouse clicks no effect). I also reported here: http://lists.ovirt.org/pipermail/users/2016-October/076890.html This happened only if connected to the vm from admin portal, while from user portal it was ok. Now after update to 4.2 both the admin portal and the new vm portal have the same problem, so that if I leave the VM for some minutes I come back and have to close and open again the spice console The Vm in question is a Fedora 26, but it was something like Fedora 24 I presume in Dec 2016 I tried to disable at all the screen savers features on it but it doesn't depend on it. Possibly depending on proxy set? I would try to disable it and verify if problems solves. Any one else using websocket proxy has these problems? Thanks in advance, Gianluca

1 0

ovirt 4.2 and multiple networks
by Gabriel Stein 04 Jan '18

04 Jan '18

Hi all, I'm trying now to migrate the Networks from an old Proxmox to oVirt. I'm doing manually, adding them to oVirt and using VLAN Tag. But I have a small problem: this VLANs hasn't any gateway/ip address configuration, they are just a bridge to the VMs. After I added all networks to oVirt, I tried to configure these networks on a host, network interfaces, setup networks, and attach them to an interface.... After I attached one network and choose OK, I receive this error on oVirt: Error while executing action: hostabc.domain.tld: - must match "^\b((25[0-5]|2[0-4]\d|[01]\d\d|\d?\d)\_){3}(25[0-5]|2[0-4]\d|[01]\d\d|\d?\d)" - Attribute: ipConfiguration.iPv4Addresses[0].gateway Gabriel Stein ------------------------------ Gabriel Ferraz Stein Tel.: +49 (0) 170 2881531

1 1