January 2017 - Users - Ovirt List Archives

by Jim Kusznir

Hello: I'm wanting to install the guest agent in one of my CentOS VMs. I looked on the documentation, and found this page: http://www.ovirt.org/documentation/internal/guest-agent/understanding-gue... It mentions that guest agent is available for CentOS, but does not provide a link to instructions. Due to similarities with Fedora, I followed the link there. It says to install "ovirt-guest-agent-common", but the package isn't found. I tried adding the ovirt SIG repos for my CentOS (7), and re-searched, but still it is not found. No links were provided to the RPM. Where do I find the CentOS guest agent? Perhaps the documentation online should be updated with this information, too...I'm sure I'm not the only one looking... --Jim

7 years, 11 months

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Backups take sooo long, how can I improve the situation, where is the bottleneck?

by Florian Nolden

Hallo everyone, I would like to update my Ovirt installation but, before that I would like to create proper VM backups. Currently I try to automate the backups and I use the implementation of the following project. https://github.com/wefixit-AT/oVirtBackup The main idea is to use the Ovirt-API to trigger a snapshot, create a new VM from the snapshot, delete the snapshot, export the vm to the export domain, delete the vm. This process takes even with only a 20 GB vm disk 55 Minutes. I have now 21 VMs with average 30 GB HDD space, that would mean that the backup job runs 22 hours. Is there something wrong with my setup? Config? Is there a better way to automate backups? Is anyone else doing VM Exports as backup or are you just using snapshots? Specs: HA Cluster 3 Nodes each has: 2x 6x 2.96 GHz, 96 GB RAM, 120 GB HDD for CentOS7, 1 TB SSD VM-Storage (Gluster FS), 4x 1 GBit LAN Bond, 4x 1GBit SAN Bond (Gluster Network, connection to Backup NAS/ Export Domain) Ovirt 4.0.3 The script output: Jan 05 14:12:16: Start backup for: wiki (20 GB) Jan 05 14:12:17: Snapshot creation started ... Jan 05 14:12:30: Snapshot created Jan 05 14:12:40: Clone into VM started ... Jan 05 14:36:37: Cloning finished Jan 05 14:36:38: Snapshot deletion started ... Jan 05 14:59:27: Snapshots deleted Jan 05 14:59:28: Export started ... Jan 05 15:07:09: Exporting finished Jan 05 15:07:09: Delete cloned VM started ... Jan 05 15:07:15: Cloned VM deleted Jan 05 15:07:15: Duration: 55:0 minutes Jan 05 15:07:15: VM exported as wiki_BACKUP_010516 Jan 05 15:07:15: Backup done for: wiki Jan 05 15:07:15: All backups done Thanks, Florain

7 years, 11 months

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unable to start VMs after upgrade

by Jim Kusznir

Hello: I'm still fairly new to ovirt. I'm running a 3-node cluster largely built by Jason Brooks' howto for ovirt+gluster on the contributed docs section of the ovirt webpage. I had everything mostly working, and this morning when I logged in, I saw a new symbol attached to all three of my hosts indicating an upgrade is available. So I clicked on egine3 and told it to upgrade. It migrated my VMs off, did its upgrade, and everything looked good. I was able to migrate a vm or two back, and they continued to function just fine. Then I tried to upgrade eingine1, which was running my hosted engine. In theory, all three engines/hosts were set up to be able to run the engine, per Jason's instructions. However, it failed to migrate the engine off host1, and I realized that I still have the same issue I had on an earlier incarnation of this cluster: inability to migrate the engine around. Ok, I'll deal with that later (with help from this list, hopefully). I went on about the work I came in to do, and tried to start up a VM. It appeared to start, but it never booted. It did raise the CPU usage for that VM, but console was all black, no resize or anything. Tried several settings. This was on a VM I had just powered down. I noticed it was starting the VM on engine3, so I did a runonce specifying the vm start on engine2. Booted up just fine. After booting, I could migrate to engine3, and all was good. What happened? I get no error messages, starting any vm on engine3, start paused, attaching display, then running it, I always get the same thing: blank console, about 50% cpu usage reported by the web interface, no response on any network, and by all signs available to me, no actual booting (reminds me of a PC that doesn't POST). Simply changing the engine it starts on to one that has not been upgraded fixes the problem. I'd greatly appreciate your help: 1) how to fix it so the upgraded engine can start VMs again 2) How to fix the cluster so the HostedEngine can migrate between hosts (and I'm able to put host1 in maintence mode). Ovirt 4 series, latest in repos as of last weekend (Jan1). --Jim

7 years, 11 months

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VM Disks Locked

by Clint Boggio

--_000_9e4c581f74d44117aa2bdbaa8950a15binlinenetworkscom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Good day ovirt family. I'm having trouble with a VM showing that the disk is locked after trying t= o clone that VM to a new VM. The source machine was powered off when the cl= one was initiated. The source and destination disks both show to be locked = and are currently un-usable. This situation was brought on around December = 27 2016 and persists. I have read some of the other threads and using the information therein, h= ave not been able to alleviate the condition. I have not tried to alter the= database though, which I know is one of the solutions to this problem. I = am not confident enough in my diagnosis of the condition to alter the datab= ase at this time. I have tried moving SPM to another node, and I have restarted ovirt-engine = on the management server. My setup is: 1. Dedicated ovirt-engine version 3.6 on CentOS 7 2. 6 hosts running version 3.6 on CentOS 7 Any help to resolve this would be appreciated. --_000_9e4c581f74d44117aa2bdbaa8950a15binlinenetworkscom_ 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"EN-US" link=3D"#0563C1" vlink=3D"#954F72"> <div class=3D"WordSection1"> <p class=3D"MsoNormal">Good day ovirt family.<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I’m having trouble with a VM showing that the = disk is locked after trying to clone that VM to a new VM. The source machin= e was powered off when the clone was initiated. The source and destination = disks both show to be locked and are currently un-usable. This situation was brought on around December 27 2016 and persi= sts.<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I have read some of the other threads  and usin= g the information therein, have not been able to alleviate the condition. I= have not tried to alter the database though, which I know is one of  = the solutions to this problem. I am not confident enough in my diagnosis of the condition to alter the database at this time= .<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">I have tried moving SPM to another node, and I have = restarted ovirt-engine on the management server.<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">My setup is:<o:p></o:p></p> <p class=3D"MsoNormal"><o:p> </o:p></p> <ol style=3D"margin-top:0in" start=3D"1" type=3D"1"> <li class=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 = lfo1">Dedicated ovirt-engine version 3.6 on CentOS 7<o:p></o:p></li><li cla= ss=3D"MsoListParagraph" style=3D"margin-left:0in;mso-list:l0 level1 lfo1">6= hosts running version 3.6 on CentOS 7<o:p></o:p></li></ol> <p class=3D"MsoNormal"><o:p> </o:p></p> <p class=3D"MsoNormal">Any help to resolve this would be appreciated.<o:p><= /o:p></p> </div> </body> </html> --_000_9e4c581f74d44117aa2bdbaa8950a15binlinenetworkscom_--

7 years, 11 months

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oVirt VNC issue

by "Matthias Müller"

7 years, 11 months

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ReinitiaalizeFSM-EngineDown -- what does this mean?

by Jim Kusznir

Hello: I've been getting a bunch of e-mails from my ovirt system stating that a "state transition" has occurred, first: StartState-ReinitalizeFSM, then a 2nd e-mail ReinitailzeFSM-EngineDown. These are all for my host2 system, my hosted engine is running on host1. Host2 appears to be working just fine, and has the majority of my VMs on it at the moment. Timing is also a bit wierd: Got my first one at 12:05AM this morning, then 2:40, 2:55am, 4:20, 4:25, and 4:40am, then 7:11, 7:40, 9:51am and 12:26PM. I'd appreciate any insight! --Jim

7 years, 11 months

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Hosted Engine Update problems

by Gary Pedretty

--Apple-Mail=_F7E509C0-3A8A-4F46-A687-082B386460EC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 I just tried running the most recent update that came out for Ovirt = Hosted Engine setup. This is a glusterized setup with 4 hosts setup as = per the Documentation. Each host had the icon showing upgrades = available so I started clicking upgrade for each host doing them one at = time. 3 of them went into maintenance fine, migrated their VMs and then = activated when done. The last one to do was the one actually running = the hosted-engine VM. This host also had one other VM. It migrated the = other VM just fine, but stalled trying to migrate the hosted-engine. = Eventually the web interface became non-responsive and I moved to = command line. I have tried everything to get the engine to start up. I = have tried putting all the hosts in maintenance so that I could = selectively tell it to start the hosted-engine VM on one host = specifically, but each fails with the =E2=80=9CFailed Liveliness error. = I have tried restarting the ha agents, re-initializing the lockspace all = with no success. All my VMs are still running fine, I just cannot get = the hosted-engine to run. I can if necessary shutdown all the VMs and = restart all the hosts, but was trying to avoid that unless I have to. Ideas. Gary ------------------------------------------------------------------------ Gary Pedretty gary(a)ravnalaska.net = <mailto:gary@eraalaska.net> Systems Manager www.flyravn.com = <http://www.flyravn.com/> Ravn Alaska /\ 907-450-7251 5245 Airport Industrial Road / \/\ 907-450-7238 fax Fairbanks, Alaska 99709 /\ / \ \ Second greatest commandment Serving All of Alaska / \/ /\ \ \/\ =E2=80=9CLove your = neighbor as Really loving the record green up date! Summmer!! yourself=E2=80=9D = Matt 22:39 ------------------------------------------------------------------------ --Apple-Mail=_F7E509C0-3A8A-4F46-A687-082B386460EC Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D"">I just tried running the most recent update that came out for = Ovirt Hosted Engine setup.  This is a glusterized setup with 4 = hosts setup as per the Documentation.   Each host had the icon = showing upgrades available so I started clicking upgrade for each host = doing them one at time. 3 of them went into maintenance fine, migrated = their VMs and then activated when done.  The last one to do was the = one actually running the hosted-engine VM.  This host also had one = other VM.  It migrated the other VM just fine, but stalled trying = to migrate the hosted-engine.  Eventually the web interface became = non-responsive and I moved to command line.  I have tried = everything to get the engine to start up.  I have tried putting all = the hosts in maintenance so that I could selectively tell it to start = the hosted-engine VM on one host specifically, but each fails with the = =E2=80=9CFailed Liveliness error.  I have tried restarting the ha = agents, re-initializing the lockspace all with no success.  All my = VMs are still running fine, I just cannot get the hosted-engine to run. =   I can if necessary shutdown all the VMs and restart all the = hosts, but was trying to avoid that unless I have to.<div class=3D""><br = class=3D""></div><div class=3D"">Ideas.</div><div class=3D""><br = class=3D""></div><div class=3D"">Gary</div><div class=3D""><br = class=3D""></div><div class=3D""><br class=3D""><div class=3D""> <div style=3D"color: rgb(0, 0, 0); letter-spacing: normal; orphans: = auto; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-stroke-width: 0px; word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D""><div style=3D"color: rgb(0, 0, 0); letter-spacing: normal; = orphans: auto; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-stroke-width: 0px; word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D""><div style=3D"orphans: auto; text-align: start; text-indent: = 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space;" class=3D""><div style=3D"orphans: = auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: = break-word; -webkit-nbsp-mode: space; -webkit-line-break: = after-white-space;" class=3D""><div style=3D"orphans: auto; text-align: = start; text-indent: 0px; widows: auto; word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D""><div style=3D"orphans: auto; text-align: start; text-indent: = 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space;" class=3D""><div style=3D"orphans: = auto; text-align: start; text-indent: 0px; widows: auto; word-wrap: = break-word; -webkit-nbsp-mode: space; -webkit-line-break: = after-white-space;" class=3D""><div style=3D"orphans: auto; text-align: = start; text-indent: 0px; widows: auto; word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D""><div style=3D"orphans: auto; text-align: start; text-indent: = 0px; widows: auto; word-wrap: break-word; -webkit-nbsp-mode: space; = -webkit-line-break: after-white-space;" class=3D""><font face=3D"Menlo" = style=3D"color: rgb(0, 0, 0); font-size: 12px; letter-spacing: normal; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px;" class=3D""><div = class=3D"">---------------------------------------------------------------= ---------</div><div class=3D"">Gary Pedretty         =                     =            <a = href=3D"mailto:gary@eraalaska.net" = class=3D"">gary(a)ravnalaska.net</a></div><div class=3D"">Systems Manager =                     =                     =  <a href=3D"http://www.flyravn.com" = class=3D"">www.flyravn.com</a></div><div class=3D"">Ravn Alaska   =                     =     /\                 =    907-450-7251</div><div class=3D"">5245 Airport Industrial = Road         /  \/\         =     907-450-7238 fax</div><div class=3D"">Fairbanks, Alaska =  99709        /\  /    \ \ = Second greatest commandment</div></font><font face=3D"Monaco" = class=3D""><span style=3D"font-size: 12px;" class=3D"">Serving All of = Alaska          /  \/  /\  \ \/\ =   =E2=80=9CLove your neighbor as</span></font><br = style=3D"font-family: Monaco;" class=3D""><font face=3D"Menlo" = style=3D"color: rgb(0, 0, 0); letter-spacing: normal; text-transform: = none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: = 0px;" class=3D""><span style=3D"font-size: 12px;" class=3D"">Really = loving the record green up date! Summmer!!   yourself=E2=80=9D M= att 22:39</span></font><div style=3D"color: rgb(0, 0, 0); = letter-spacing: normal; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; font-family: Menlo;" = class=3D""></div><font face=3D"Menlo" style=3D"font-size: 12px;" = class=3D""></font><span style=3D"color: rgb(0, 0, 0); letter-spacing: = normal; text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; font-size: 12px;" class=3D""><font = face=3D"Menlo" class=3D""><div = class=3D"">---------------------------------------------------------------= ---------</div></font></span><div style=3D"color: rgb(0, 0, 0); = letter-spacing: normal; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=3D""><font = face=3D"Menlo" style=3D"font-size: 12px;" class=3D""><br = class=3D""></font></div></div><span style=3D"color: rgb(0, 0, 0); = letter-spacing: normal; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: 12px;" = class=3D""><br class=3D"Apple-interchange-newline"></span></div><span = style=3D"color: rgb(0, 0, 0); letter-spacing: normal; text-transform: = none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: = 0px; font-size: 12px;" class=3D""><br = class=3D"Apple-interchange-newline"></span></div><span style=3D"color: = rgb(0, 0, 0); letter-spacing: normal; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; font-size: = 12px;" class=3D""><br class=3D"Apple-interchange-newline"></span></div><br= class=3D"Apple-interchange-newline"></div><br = class=3D"Apple-interchange-newline"></div><br = class=3D"Apple-interchange-newline"></div><br = class=3D"Apple-interchange-newline"></div><br = class=3D"Apple-interchange-newline"></div><br = class=3D"Apple-interchange-newline"><br = class=3D"Apple-interchange-newline"> </div> <br class=3D""></div></body></html>= --Apple-Mail=_F7E509C0-3A8A-4F46-A687-082B386460EC--

7 years, 11 months

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Re: [ovirt-users] adding new node through WAN - fatal: Unable to negotiate a key exchange method [preauth]

by Grzegorz Szypa

Hi. I made some changes and now there are fresh installations, and durring add new node I got the same issue: 2017-01-07 07:44:08,847 ERROR [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default task-49) [c5fb7a0] Failed to establish session with host 'node1': SSH session closed during connection 'root(a)10.30.30.51' 2017-01-07 07:44:08,847 WARN [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default task-49) [c5fb7a0] Validation of action 'AddVds' failed for user admin@internal-authz. Reasons: VAR__ACTION__ADD,VAR__TYPE__HOST,$server 10.30.30 .51,VDS_CANNOT_CONNECT_TO_SERVER on both servers are this fresh installed system: CentOS Linux release 7.3.1611 (Core) Here are some informations about you asked last time: [root@ovirt ovirt-engine]# rpm -qa | grep ovirt ovirt-imageio-common-0.4.0-1.el7.noarch python-ovirt-engine-sdk4-4.0.2-1.el7.centos.x86_64 ovirt-imageio-proxy-setup-0.4.0-0.201608310602.gita9b573b.el7.centos.noarch ovirt-engine-websocket-proxy-4.0.5.5-1.el7.centos.noarch ovirt-engine-dashboard-1.0.5-1.el7.centos.noarch ovirt-engine-setup-plugin-vmconsole-proxy-helper-4.0.5.5-1.el7.centos.noarch ovirt-engine-backend-4.0.5.5-1.el7.centos.noarch ovirt-engine-extension-aaa-jdbc-1.1.1-1.el7.noarch ovirt-host-deploy-1.5.3-1.el7.centos.noarch ovirt-engine-wildfly-overlay-10.0.0-1.el7.noarch ovirt-engine-setup-base-4.0.5.5-1.el7.centos.noarch ovirt-vmconsole-proxy-1.0.4-1.el7.centos.noarch ovirt-host-deploy-java-1.5.3-1.el7.centos.noarch ovirt-release40-4.0.5-2.noarch ovirt-engine-setup-plugin-ovirt-engine-common-4.0.5.5-1.el7.centos.noarch ovirt-engine-dwh-4.0.5-1.el7.centos.noarch ovirt-imageio-proxy-0.4.0-0.201608310602.gita9b573b.el7.centos.noarch ovirt-engine-setup-plugin-websocket-proxy-4.0.5.5-1.el7.centos.noarch ovirt-iso-uploader-4.0.2-1.el7.centos.noarch ovirt-engine-dbscripts-4.0.5.5-1.el7.centos.noarch ovirt-engine-webadmin-portal-4.0.5.5-1.el7.centos.noarch ovirt-engine-setup-4.0.5.5-1.el7.centos.noarch ovirt-engine-vmconsole-proxy-helper-4.0.5.5-1.el7.centos.noarch ovirt-engine-userportal-4.0.5.5-1.el7.centos.noarch ovirt-engine-restapi-4.0.5.5-1.el7.centos.noarch ovirt-setup-lib-1.0.2-1.el7.centos.noarch ovirt-engine-sdk-python-3.6.9.1-1.el7.centos.noarch ovirt-engine-extensions-api-impl-4.0.5.5-1.el7.centos.noarch ovirt-engine-wildfly-10.1.0-1.el7.x86_64 ovirt-engine-lib-4.0.5.5-1.el7.centos.noarch ovirt-vmconsole-1.0.4-1.el7.centos.noarch ovirt-engine-cli-3.6.8.1-1.el7.centos.noarch ovirt-engine-dwh-setup-4.0.5-1.el7.centos.noarch ovirt-engine-tools-backup-4.0.5.5-1.el7.centos.noarch ovirt-image-uploader-4.0.1-1.el7.centos.noarch ovirt-engine-tools-4.0.5.5-1.el7.centos.noarch ovirt-engine-setup-plugin-ovirt-engine-4.0.5.5-1.el7.centos.noarch ovirt-engine-4.0.5.5-1.el7.centos.noarch [root@ovirt ovirt-engine]# tail -33f server.log 2017-01-07 07:44:08,843 INFO [org.apache.sshd.client.session.ClientSessionImpl] (sshd-SshClient[4b16ff17]-nio2-thread-2) Server version string: SSH-2.0-OpenSSH_6.6.1 2017-01-07 07:44:08,844 WARN [org.apache.sshd.client.session.ClientSessionImpl] (sshd-SshClient[4b16ff17]-nio2-thread-2) Exception caught: java.lang.IllegalStateException: Unable to negotiate key exchange for kex algorithms (client: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group1-sha1 / server: diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1) at org.apache.sshd.common.session.AbstractSession.negotiate(AbstractSession.java:1109) at org.apache.sshd.common.session.AbstractSession.doHandleMessage(AbstractSession.java:357) at org.apache.sshd.common.session.AbstractSession.handleMessage(AbstractSession.java:295) at org.apache.sshd.client.session.ClientSessionImpl.handleMessage(ClientSessionImpl.java:256) at org.apache.sshd.common.session.AbstractSession.decode(AbstractSession.java:731) at org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:277) at org.apache.sshd.common.AbstractSessionIoHandler.messageReceived(AbstractSessionIoHandler.java:54) at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:187) at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:173) at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32) at java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.8.0_111] at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30) at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) [rt.jar:1.8.0_111] at sun.nio.ch.Invoker.invokeDirect(Invoker.java:157) [rt.jar:1.8.0_111] at sun.nio.ch.UnixAsynchronousSocketChannelImpl.implRead(UnixAsynchronousSocketChannelImpl.java:553) [rt.jar:1.8.0_111] at sun.nio.ch.AsynchronousSocketChannelImpl.read(AsynchronousSocketChannelImpl.java:276) [rt.jar:1.8.0_111] at sun.nio.ch.AsynchronousSocketChannelImpl.read(AsynchronousSocketChannelImpl.java:297) [rt.jar:1.8.0_111] at java.nio.channels.AsynchronousSocketChannel.read(AsynchronousSocketChannel.java:420) [rt.jar:1.8.0_111] at org.apache.sshd.common.io.nio2.Nio2Session.startReading(Nio2Session.java:173) at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:189) at org.apache.sshd.common.io.nio2.Nio2Session$1.onCompleted(Nio2Session.java:173) at org.apache.sshd.common.io.nio2.Nio2CompletionHandler$1.run(Nio2CompletionHandler.java:32) at java.security.AccessController.doPrivileged(Native Method) [rt.jar:1.8.0_111] at org.apache.sshd.common.io.nio2.Nio2CompletionHandler.completed(Nio2CompletionHandler.java:30) at sun.nio.ch.Invoker.invokeUnchecked(Invoker.java:126) [rt.jar:1.8.0_111] at sun.nio.ch.Invoker$2.run(Invoker.java:218) [rt.jar:1.8.0_111] at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(AsynchronousChannelGroupImpl.java:112) [rt.jar:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_111] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_111] at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_111] In the end server (oVirt Node) in /var/log/secure.log: Jan 7 08:10:26 ns3047117 sshd[30377]: fatal: Unable to negotiate a key exchange method [preauth] 2016-12-01 8:22 GMT+01:00 Yedidyah Bar David <didi(a)redhat.com>: > (Adding the list. Please reply also to the list and not only > to specific people. Thanks). > > On Wed, Nov 30, 2016 at 9:01 PM, Grzegorz Szypa > <grzegorz.szypa(a)gmail.com> wrote: > > Hi. > > > > It works. > > > > Problem I think are in other side, maybe I explain my landscape: > > > > oVirt Engine is VM on after NAT, but currectly this way are disabled and > now > > only work direct access to Internet via dedicated WAN IP, and oVirt Node > are > > VM also under separat WAN IP, but still the same problem. I think there > is > > no problem with SSH configuration because setting it as self-hosted > engine > > work fine > > What OS is on each of the engine and host? > > Did you change any configuration of sshd on the host, > compared to the OS's defaults? > > Please check/share the output of previous ssh command, but > with '-v' appended. > > Please also share more of the engine log, starting with a line > containing 'AddVdsCommand'. > > Please attach output of: 'rpm -qa | grep ovirt'. > > Thanks, > > > > > > > 2016-11-30 14:18 GMT+01:00 Yedidyah Bar David <didi(a)redhat.com>: > >> > >> On Wed, Nov 30, 2016 at 1:58 PM, Grzegorz Szypa > >> <grzegorz.szypa(a)gmail.com> wrote: > >> > Hi. > >> > > >> > Did you meet ever with problem, when you try to add new node to quite > >> > new > >> > oVirt Engine via Gui and get Error : > >> > > >> > engine.log: > >> > > >> > 2016-11-30 12:50:55,453 ERROR > >> > [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default > task-23) > >> > [178c9385] Failed to establish session with host 'node1': SSH session > >> > closed > >> > during connection '["my new node"]' > >> > 2016-11-30 12:50:55,453 WARN > >> > [org.ovirt.engine.core.bll.hostdeploy.AddVdsCommand] (default > task-23) > >> > [178c9385] Validation of action 'AddVds' failed for user > >> > admin@internal-authz. Reasons: VAR__ACTION__ADD,VAR__TYPE__ > HOST,$server > >> > vmsrv1.szypa.net,VDS_CANNOT_CONNECT_TO_SERVER > >> > > >> > > >> > > >> > in the end node I only got error that there is not possible, to > exchange > >> > key > >> > between two hosts: > >> > > >> > there is log form /var/log/secure: > >> > > >> > fatal: Unable to negotiate a key exchange method [preauth] > >> > > >> > In network I found that it could be a problem with key exchange > method, > >> > which is not available on some host. > >> > > >> > SSH connection between this two hosts work fine so I do not understand > >> > why > >> > it does not work? > >> > >> Please try this, from the engine machine, as user root: > >> > >> ssh -i /etc/pki/ovirt-engine/keys/engine_id_rsa HOST > >> > >> Replace "HOST" with the name or address you input in the field "Address" > >> in the "New Host" dialog. I think that's 'node1', from above. > >> > >> Does it work? If not, please check sshd configuration/logs on the host. > >> > >> Best, > >> -- > >> Didi > > > > > > > > > > -- > > G.Sz. > > > > -- > Didi > -- G.Sz.

7 years, 11 months

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Disk move failures

by Michael Watters

I am receiving several LVM errors when attempting to move a disk from one storage domain to another. > VDSM ovirt-node-production2 command failed: Logical Volume extend failed vdsm.log shows a failure message as follows. > d6d4529e-db0d-49ac-a0c3-ee9d2e8cc9bb::ERROR::2017-01-06 15:05:54,926::image::405::Storage.Image::(_createTargetImage) Unexpected error Traceback (most recent call last): File "/usr/share/vdsm/storage/image.py", line 394, in _createTargetImage dstVol.extend((volParams['apparentsize'] + 511) / 512) File "/usr/share/vdsm/storage/blockVolume.py", line 310, in extend lvm.extendLV(self.sdUUID, self.volUUID, sizemb) File "/usr/share/vdsm/storage/lvm.py", line 1179, in extendLV _resizeLV("lvextend", vgName, lvName, size) File "/usr/share/vdsm/storage/lvm.py", line 1175, in _resizeLV raise se.LogicalVolumeExtendError(vgName, lvName, "%sM" % (size, )) LogicalVolumeExtendError: Logical Volume extend failed: 'vgname=32f7c737-c1ee-4d2e-82a7-1b5e6efe0cf8 lvname=7ec88b4b-e893-47dc- 895f-5f8e584ed2cf newsize=1024M' Does anybody know what would cause this? I am able to create volumes and extend them from the command line without any issues.

7 years, 11 months

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Dashboard freezes, locks up cannot perform any tasks

by Bill Bill

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