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Missing RPM for ovirt 4.0.5.5 ?
by Maton, Brett 02 Nov '16

02 Nov '16

I ran yum update on selfhosted ovirt engine, followed by engine-setup which is failing due to a missing dependency: --== PACKAGES ==-- [ INFO ] Checking for product updates... [ ERROR ] Yum [u'ovirt-engine-backend-4.0.5.5-1.el7.centos.noarch requires vdsm-jsonrpc-java >= 1.2.7'] [ INFO ] Yum Performing yum transaction rollback [ ERROR ] Failed to execute stage 'Environment customization': [u'ovirt-engine-backend-4.0.5.5-1.el7.centos.noarch requires vdsm-jsonrpc-java >= 1.2.7'] [ INFO ] Stage: Clean up I had a quick look at the repos and ther doesn't appear tobe a 1.2.7 version of vdsm-jsonrpc-java. Regards

2 2

unable to pull 2 gluster nodes into ovirt
by Thing 02 Nov '16

02 Nov '16

I have 3 gluster nodes, 1 and 2 repeatedly fail to come in to ovirt but node 3 worked first time. It appears to be saying ssh-keys / root password is failing, but I can ssh in fine from teh command line so this message makes no sense. attached is a host deploy log

2 2

Hosted Engine CPU usage always shows 100%
by knarra 01 Nov '16

01 Nov '16

Hi, I have latest ovirt master and i see that Hosted Engine CPU is always shown 100%. But the actual usage in the system is very less. Is this a known issue or a bug ? Thanks kasturi

2 7

mass upload of disks?
by Ben De Luca 01 Nov '16

01 Nov '16

Hi, I was wondering if there was a method on the cli/script to mass upload disks to ovirt. The web loader is great, but also I have 20 disks that I really just want to upload via shell. I can't seem to find a tool to do it, I have found ovirt-image-uploader (but that's for ovf files). I hoped that I could just pull the date directly off nfs but that doesnt seem to be possible, or I am blind? Thanks -Ben

3 6

Setting DNS servers problem on ovirt
by Thing 01 Nov '16

01 Nov '16

Hi, I have installed IPA across 3 nodes. In order to point the ovirt server at the new IPA/DNS servers and to clean up I ran engine-cleanup aiming to delte the ovirt setup. However it seems even though I ran this something, "vdsm?" is still running and controlling the networking. So down under /etc/sysconfig/network-scripts I see, ========= /etc/sysconfig/network-scripts [root@ovirt1 network-scripts]# ls -l total 256 -rw-rw-r--. 1 root root 130 Nov 1 10:32 ifcfg-enp0s25 -rw-r--r--. 1 root root 254 Sep 16 2015 ifcfg-lo -rw-rw-r--. 1 root root 252 Nov 1 10:32 ifcfg-ovirtmgmt 8><----- ========== So my first Q is why when I run engine-cleanup isnt the networking cleaned up? should I file this as a bugzilla? After that I can see that ifcfg-ovirtmgmt is still controlling DNS, ========== 8><---- [root@ovirt1 network-scripts]# tail ifcfg-ovirtmgmt ONBOOT=yes IPADDR=192.168.1.34 NETMASK=255.255.255.0 GATEWAY=192.168.1.1 BOOTPROTO=none MTU=1500 DEFROUTE=yes NM_CONTROLLED=no IPV6INIT=no DNS1=192.168.1.240 [root@ovirt1 network-scripts]# =========== So I tried to set, DNS1=192.168.1.31 DNS2=192.168.1.32 DNS3=192.168.1.33 rebooted and, no I see, DNS1=192.168.1.240 again So I also see that the vdsm service is still running, ========== [root@ovirt1 network-scripts]# systemctl status vdsm-network.service ● vdsm-network.service - Virtual Desktop Server Manager network restoration Loaded: loaded (/usr/lib/systemd/system/vdsm-network.service; enabled; vendor preset: enabled) Active: active (exited) since Tue 2016-11-01 10:32:51 NZDT; 2h 0min ago Process: 2873 ExecStart=/usr/bin/vdsm-tool restore-nets (code=exited, status=0/SUCCESS) Process: 2848 ExecStartPre=/usr/bin/vdsm-tool --vvverbose --append --logfile=/var/log/vdsm/upgrade.log upgrade-unified-persistence (code=exited, status=0/SUCCESS) Main PID: 2873 (code=exited, status=0/SUCCESS) CGroup: /system.slice/vdsm-network.service Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 client step 2 Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 parse_server_challenge() Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 ask_user_info() Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 client step 2 Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 ask_user_info() Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 make_client_response() Nov 01 10:32:45 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 client step 3 Nov 01 10:32:51 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 client mech dispose Nov 01 10:32:51 ovirt1.ods.graywitch.co.nz python[2887]: DIGEST-MD5 common mech dispose Nov 01 10:32:51 ovirt1.ods.graywitch.co.nz systemd[1]: Started Virtual Desktop Server Manager network restoration. [root@ovirt1 network-scripts]# =========== why after cleaning up is this still active? Next, I have grep'd under /etc/ and cannot find where its getting its obsolete network DNS info info from. So I need to know where this info is stored? so I can edit is via the CLI? database? There is no web ui running as engine-cleanup has removed that so I cant work via the web ui. Is there anything else I need to manually stop, disable and remove after running engine-cleanup? thanks

3 2

Kill a failed VM import
by Chris Cowley 31 Oct '16

31 Oct '16

Hello all I have just imported physical machine into my export datastore using virt-p2v. While I was importing it, my hosted-engine died (VM went into paused state) during the disk-copy stage. Now, that half-imported VM is in the status "image locked" and I am un able to do anything with it. The disk image does not seem to be in my master data store so I think I can safely delete the VM and re-import it. However, that is not available in the web GUI. How can I work around that and force the deletion?

2 1

Local and Shared storage in same datacenter
by Mike (maillinglists) 31 Oct '16

31 Oct '16

Hi guys, There have been a few related questions already that I could find, but I did not find anything relating to my specific use case. Currently it is not possible to mix local storage with shared storage in the same datacenter. The reason seems to be because of the storage pool manager (SPM). This is a role in the datacenter provided to one specific host. While I understand that this makes having local storage impossible, I believe there is a use case to have local storage in a shared storage datacenter. Consider the following: I have a few applications that require 1 milli second latency and at most 2 milli second. That is not consistenly achievable with shared storage, to that end I added flash storage to a few hypervisors. About 5% of my servers require this and are not that resource hungry to require a dedicated physical server. That same 5% also has no requirement to be migrated if a host fails. So in short I have 5 heavy hosts running ovirt with a shared storage domain on NFS for 95% of my servers. All running fine, but I am now unable to run my remaining 5%. To finish up my summary I have been testing various virtualization technologies, like VmWare and Hyper-V. They allow such configurations as I mentioned. I already had some chat on irc with various guys and they suggested that I put this on the mailing list, so here goes. My suggestion would be to evoluate from SPM to SDM. SDM stands for Storage Domain Manager. This would create the possibility to have all nodes in the datacenter participate in the storage handling. A extra benefit would be that local storage could be added. What do you think? Thanks for reading. Kind regards, Mike van Goor

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Re: [ovirt-users] Local and Shared storage in same datacenter
by Pavel Gashev 31 Oct '16

31 Oct '16

I think it's all about online VM migration. oVirt doesn't support online VM migration together with online storage migration. So any storage has to be accessible from any hosts in a datacenter. That's why local storages are too restricted. Converting Local storages to Shared removes the restriction. Avoiding NFS layer locally removes the NFS performance drawback. And both allow to adhere to the oVirt way. -----Original Message----- From: Fernando Frediani <fernando.frediani(a)upx.com.br> Date: Monday 31 October 2016 at 17:07 To: Pavel Gashev <Pax(a)acronis.com> Subject: Re: [ovirt-users] Local and Shared storage in same datacenter Why this 'workdaround' to share a local storage as NFS instead os just use it as a 'normal' Local storage ? Looks more like a chewing gum. Is there any work in progress to change the way this storage pool manager works ? On 31/10/2016 12:02, Pavel Gashev wrote: > Mike, > > As workaround it's not very hard to create a mount command wrapper that converts local NFS mounts to bind-mounts. The propper way I think is to patch the VDSM service to handle local NFS mounts. In result, a NFS storage will work like a local storage if it's local. > > -----Original Message----- > From: Mike <maillist(a)probie.nl> > Date: Monday 31 October 2016 at 16:33 > To: Pavel Gashev <Pax(a)acronis.com>, "users(a)ovirt.org" <users(a)ovirt.org> > Subject: Re: [ovirt-users] Local and Shared storage in same datacenter > > Hi Pavel, > > Op 31-10-2016 om 11:22 schreef Pavel Gashev: >> Mike, >> >> You can share and use your local storage via NFS. So all your storages are shared, and can be used in the same datacenter. > I installed a nfs server on the hypervisor and am using it that way at > the moment. > It feels 'wrong' but it seems to work okay and it is fast as far as I > can tell. > Still would like to see another solution without the added latency of > nfs and be able to utilize directio, etc. >> -----Original Message----- >> From: <users-bounces(a)ovirt.org> on behalf of "Mike (maillinglists)" <maillist(a)probie.nl> >> Date: Sunday 30 October 2016 at 13:02 >> To: "users(a)ovirt.org" <users(a)ovirt.org> >> Subject: [ovirt-users] Local and Shared storage in same datacenter >> >> Hi guys, >> >> There have been a few related questions already that I could find, but I >> did not find anything relating to my specific use case. >> >> Currently it is not possible to mix local storage with shared storage in >> the same datacenter. >> The reason seems to be because of the storage pool manager (SPM). >> This is a role in the datacenter provided to one specific host. >> >> While I understand that this makes having local storage impossible, I >> believe there is a use case to have local storage in a shared storage >> datacenter. >> Consider the following: >> I have a few applications that require 1 milli second latency and at >> most 2 milli second. >> That is not consistenly achievable with shared storage, to that end I >> added flash storage to a few hypervisors. >> About 5% of my servers require this and are not that resource hungry to >> require a dedicated physical server. >> That same 5% also has no requirement to be migrated if a host fails. >> >> So in short I have 5 heavy hosts running ovirt with a shared storage >> domain on NFS for 95% of my servers. >> All running fine, but I am now unable to run my remaining 5%. >> >> To finish up my summary I have been testing various virtualization >> technologies, like VmWare and Hyper-V. >> They allow such configurations as I mentioned. >> >> I already had some chat on irc with various guys and they suggested that >> I put this on the mailing list, so here goes. >> >> My suggestion would be to evoluate from SPM to SDM. >> SDM stands for Storage Domain Manager. >> This would create the possibility to have all nodes in the datacenter >> participate in the storage handling. >> A extra benefit would be that local storage could be added. >> >> What do you think? >> >> Thanks for reading. >> >> Kind regards, >> Mike van Goor >> _______________________________________________ >> 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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Updated ovirt-guest-agent puppet module
by René Koch 31 Oct '16

31 Oct '16

This is a cryptographically signed message in MIME format. --------------ms090308070008040700020706 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Hi, there's an updated version of scrat14/ovirt-guest-agent available at=20 https://forge.puppet.com/scrat14/ovirt_guest_agent Latest version includes support for installing oVirt guest agent on RHEV = hypervisors in addition to oVirt nodes. Furthermore this module will now use rhevm-guest-agent-common for RHEL 7 = machines from rhel-7-server-rh-common-rpms repository by default=20 (instead of ovirt-guest-agent-common from EPEL). 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quick way to see total RAM and CPU count on VM listing
by Nelson Lameiras 31 Oct '16

31 Oct '16

------=_Part_49066511_63048749.1475160413304 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello oVirt community,=20 When listing virtual machines, is there a quick way to see how much RAM/CPU= each machine has?=20 In oVirt 4.0.4, I can see ram/cpu usage in a very nice way, but I can not a= ccess easily the total RAM and number of CPUs.=20 The only way to find this information in GUI is to edit a vm and see the sy= stem tab (and that's when the "edit" context menu is available, which is no= t always)=20 Am I missing something?=20 This information is very usefull and sometimes critical (when migrating VM = to hosts which are already low on free RAM, specially when balloning is inv= olved)=20 I would like to see this information always on screen, like a (un)checkable= column... does it seem doable ?=20 Maybe it would be possible to show it while hoovering the memory/cpu inform= ation with the mouse ?=20 Please forgive me if this is not the rigth place to post this question/requ= est.=20 cordialement, regards,=20 Nelson LAMEIRAS=20 Lyra Network=20 Service Projets et Processus=20 Tel : +33 (0) 5 32 09 09 70=20 109 rue de l=E2=80=99innovation=20 31670 Lab=C3=A8ge - France=20 www.lyra-network.com=20 ------=_Part_49066511_63048749.1475160413304 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <html><body><div style=3D"font-family: arial, helvetica, sans-serif; font-s= ize: 12pt; color: #000000"><div>Hello oVirt community,<br></div><div><br da= ta-mce-bogus=3D"1"></div><div>When listing virtual machines, is there a qui= ck way to see how much RAM/CPU each machine has?<br data-mce-bogus=3D"1"></= div><div><br data-mce-bogus=3D"1"></div><div>In oVirt 4.0.4, I can see ram/= cpu usage in a very nice way, but I can not access easily the total RAM and= number of CPUs. </div><div>The only way to find this information in GUI is= to edit a vm and see the system tab (and that's when the "edit" context me= nu is available, which is not always)<br data-mce-bogus=3D"1"></div><div><b= r data-mce-bogus=3D"1"></div><div>Am I missing something?</div><div>This in= formation is very usefull and sometimes critical (when migrating VM to host= s which are already low on free RAM, specially when balloning is involved)<= br data-mce-bogus=3D"1"></div><div><br data-mce-bogus=3D"1"></div><div>I wo= uld like to see this information always on screen, like a (un)checkable col= umn... does it seem doable ? </div><div>Maybe it would be possible to show = it while hoovering the memory/cpu information with the mouse ?<br data-mce-= bogus=3D"1"></div><div><br data-mce-bogus=3D"1"></div><div>Please forgive m= e if this is not the rigth place to post this question/request.<br data-mce= -bogus=3D"1"></div><div><br data-mce-bogus=3D"1"></div><div data-marker=3D"= __SIG_PRE__"><div><div><span style=3D"font-size: 12pt; color: rgb(0, 0, 0);= " data-mce-style=3D"font-size: 12pt; color: #000000;"><span style=3D"font-f= amily: "century gothic",sans-serif;">cordialement, regards,<br da= ta-mce-bogus=3D"1"></span></span></div><div><span style=3D"font-size: 12pt;= color: rgb(0, 0, 0);" data-mce-style=3D"font-size: 12pt; color: #000000;">= <span style=3D"font-family: "century gothic",sans-serif;">Nelson = LAMEIRAS<br data-mce-bogus=3D"1"></span></span></div><div><span style=3D"fo= nt-size: 9pt;" data-mce-style=3D"font-size: 9pt;"><b><span style=3D"font-fa= mily: "century gothic",sans-serif; color: rgb(54, 95, 145);"><br = data-mce-bogus=3D"1"></span></b></span></div><div><span style=3D"font-size:= 9pt;" data-mce-style=3D"font-size: 9pt;"><b><span style=3D"font-family: &q= uot;century gothic",sans-serif; color: rgb(54, 95, 145);">Lyra Network= </span></b></span></div><div><div><span style=3D"font-size: 9pt; color: #36= 5f91;" data-mce-style=3D"font-size: 9pt; color: #365f91;">Service Projets e= t Processus</span></div><div><span style=3D"font-size: 9pt; color: rgb(54, = 95, 145);" data-mce-style=3D"font-size: 9pt; color: #365f91;">Tel : +33 (0)= 5 32 09 09 70</span></div></div><span style=3D"font-size: 9pt;" data-mce-s= tyle=3D"font-size: 9pt;"><span style=3D"font-family: "century gothic&q= uot;,sans-serif; color: rgb(54, 95, 145);">109 rue de l=E2=80=99innovation<= /span><span style=3D"font-family: geneva;"></span></span><br><span style=3D= "font-size: 9pt; font-family: geneva;" data-mce-style=3D"font-size: 9pt; fo= nt-family: geneva;"></span><div><span style=3D"font-size: 9pt; font-family:= 'century gothic',sans-serif; color: #365f91;" data-mce-style=3D"font-size:= 9pt; font-family: 'century gothic',sans-serif; color: #365f91;">31670 Lab= =C3=A8ge - France</span><span style=3D"font-size: 9pt; font-family: geneva;= " data-mce-style=3D"font-size: 9pt; font-family: geneva;"></span><br data-m= ce-bogus=3D"1"></div><div><span style=3D"font-size: 9pt; font-family: 'cent= ury gothic',sans-serif; color: #365f91;" data-mce-style=3D"font-size: 9pt; = font-family: 'century gothic',sans-serif; color: #365f91;"><a href=3D"http:= //www.lyra-network.com" data-mce-href=3D"http://www.lyra-network.com">www.l= yra-network.com</a></span><br data-mce-bogus=3D"1"></div></div></div></div>= </body></html> ------=_Part_49066511_63048749.1475160413304--

4 5

Chinese oVirt community
by Yedidyah Bar David 31 Oct '16

31 Oct '16

Hi all, Recently, more and more questions are posted to users(a)ovirt.org in what seems like a result of a google translation of Chinese to English. These are usually hard to understand, and I expect the replies are also hard to understand. A recent example is [1]. Two years ago there was a discussion [2] about this on users(a)ovirt.org. Now, when searching, I find: 1. There seems to have been a domain ovirt-china.org , but it's dead now (no info about it in dns or whois). The only version of it I can find on archive.org is [3]. 2. There is a github org [4]. 3. There is a google group [5] , but it requires registration to view (and I didn't try to register). If there is an active Chinese community of oVirt users, perhaps we should give it more publicity, to make it easier to find. Otherwise, perhaps we can help by creating a list on lists.ovirt.org , or something like that. Best regards, [1] http://lists.ovirt.org/pipermail/users/2016-October/043732.html [2] http://lists.ovirt.org/pipermail/users/2014-May/024585.html http://lists.ovirt.org/pipermail/users/2014-May/024862.html http://lists.ovirt.org/pipermail/users/2014-May/024668.html [3] http://web.archive.org/web/20141203033820/http://www.ovirt-china.org/ [4] https://github.com/ovirt-china [5] https://groups.google.com/forum/#!forum/ovirt-china -- Didi

1 0

ovirt homeserver
by david caughey 31 Oct '16

31 Oct '16

Hi, I'm building a homeserver to run ovirt and wanted to get opinions on the best approach. The server will be used as a test/studybed for ovirt/kvm/vcloud/openstack/ceph. The server will be based around a Xeon E5 10 core with 128GB ram. Option 1: Build server with CentOS 7.2 and deploy ovirt directly on top. Option 2: Build server with CentOS 7.2 and deploy multiple ovirt instances on top of KVM. Which will be the most stable versatile method? If a GPU is used as a passthrough device can it be used on several vm's or is it restricted to 1 vm? If 2 GPU's are used can 1 be used as a dedicated passthrough to 1 vm and the other shared between the remaining vm's? Is CentOS/RH the best platform for ovirt? Is it okay/advisable to load the latest kernel, (4.8 ish), on to CentOS before installing ovirt? Any and all comments/advice welcome, David

4 3

100% disk utilization on Hosted Engine
by Anantha Raghava 31 Oct '16

31 Oct '16

This is a multi-part message in MIME format. --------------10436485D205AA7FD0A15C25 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi, I have hit a unique problem. Using oVirt 4.0.2.7-1.el7.centos since last one month and I have hit a unique problem. The Engine is reporting that Disk space allocated to Hosted engine is full and is not allowing to login to engine's console to clear some files as well. When I try to add additional storage to Hosted engine, engine admin portal reports that as Engine VM is not managed by oVirt Engine, it cannot extend the storage. Now the questions are: 1. Is it that enabling advanced DWH on the engine host is the root cause for 100GB of disk getting filled in about 1 month? 2. How do we clear the disk of some unwanted files and extend the space? 3. How do we reset the DWH database to basic? Note: CentOS 7.2 is not even allowing us to login to console to do any action. Booting the Hosted Engine VM with Live CD etc., looks like is ruled out in this case. -- Thanks & Regards, Anantha Raghava eXza Technology Consulting & Services Do not print this e-mail unless required. Save Paper & trees. --------------10436485D205AA7FD0A15C25 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8"> </head> <body bgcolor="#FFFFFF" text="#000000"> <p><font face="Liberation Serif">Hi,</font></p> <p><font face="Liberation Serif">I have hit a unique problem. Using oVirt 4.0.2.7-1.el7.centos since last one month and I have hit a unique problem. The Engine is reporting that Disk space allocated to Hosted engine is full and is not allowing to login to engine's console to clear some files as well. When I try to add additional storage to Hosted engine, engine admin portal reports that as Engine VM is not managed by oVirt Engine, it cannot extend the storage.<br> </font></p> <p><font face="Liberation Serif">Now the questions are:</font></p> <p><font face="Liberation Serif">1. Is it that enabling advanced DWH on the engine host is the root cause for 100GB of disk getting filled in about 1 month?</font></p> <p><font face="Liberation Serif">2. How do we clear the disk of some unwanted files and extend the space?</font></p> <p><font face="Liberation Serif">3. How do we reset the DWH database to basic?</font><br> </p> <br> <div class="moz-signature">Note: CentOS 7.2 is not even allowing us to login to console to do any action. Booting the Hosted Engine VM with Live CD etc., looks like is ruled out in this case.<br> -- <p style="margin-bottom: 0cm; line-height: 100%"><font face="Times New Roman, serif">Thanks & Regards,</font></p> <p style="margin-bottom: 0cm; line-height: 100%"><br> </p> <address style="line-height: 100%"><font face="Times New Roman, serif">Anantha Raghava</font></address> <address style="line-height: 100%"><font face="Times New Roman, serif">eXza Technology Consulting & Services</font></address> <br> <p style="margin-bottom: 0cm; line-height: 100%"><font color="#66cc00"><font face="Times New Roman, serif">Do not print this e-mail unless required. Save Paper & trees.</font></font></p> </div> </body> </html> --------------10436485D205AA7FD0A15C25--

2 4

oVirt 4.0 Reporting
by aleksey.maksimov＠it-kb.ru 31 Oct '16

31 Oct '16

Hello oVirt guru`s! In the first half of 2016 was the following information: http://lists.ovirt.org/pipermail/users/2016-June/040549.html Are there any news about the built-in oVirt 4.0 reporting mechanism? Is there any chance that we will see reports in the oVirt web console?

2 2

when engine broken
by 张余歌 31 Oct '16

31 Oct '16

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1 0

Fwd: Re: Local and Shared storage in same datacenter
by Mike 30 Oct '16

30 Oct '16

Hi Barak, Op 30-10-2016 om 11:19 schreef Barak Korren: >> While I understand that this makes having local storage impossible, I >> believe there is a use case to have local storage in a shared storage >> datacenter. >> Consider the following: >> I have a few applications that require 1 milli second latency and at most 2 >> milli second. >> That is not consistenly achievable with shared storage, to that end I added >> flash storage to a few hypervisors. >> About 5% of my servers require this and are not that resource hungry to >> require a dedicated physical server. >> That same 5% also has no requirement to be migrated if a host fails. >> > > I mentioned this in another thread already, please look into the VDSM > scratchpad hook. It will allow you to attach (files on) the local SSDs > (as disks) to VMs when those VMs start up. It will perfectly meet your > use case if you only need to keep the data on the SSD while the VM is > up. > > The data should not be lost if we power down the VM. If the data is lost during a host failure we have options to restore the data, but do not want to do it on a weekly/monthly basis. The scratchpad is useful for other options we are exploring, thanks!

1 0

Persist files node-ng
by Jonas Israelsson 28 Oct '16

28 Oct '16

How do I persist files on a ng-node ? I forgot to add some needed network-configuration during install. While these manually added config files seem to survive a reboot, updating the node via the web-ui will wipe them. TIA Jonas

1 0

gluster setup in ovirt
by Thing 28 Oct '16

28 Oct '16

Hi, I have 3 machines imported into ovirt 4.0.4 just to do storage. I have no storage setup. I am a bit confused, can I add new storage from scratch via ovirt? ie picking mount points (I have /gv1 so set on each) or do I create the gluster replicated setup manually on each of the three nodes first? and import "ready made"?

2 1

messed up gluster attempt
by Thing 28 Oct '16

28 Oct '16

Hi, So was was trying to make a 3 way mirror and it reported failed. Now I get these messages, On glusterp1, ========= [root@glusterp1 ~]# gluster peer status Number of Peers: 1 Hostname: 192.168.1.32 Uuid: ef780f56-267f-4a6d-8412-4f1bb31fd3ac State: Peer in Cluster (Connected) [root@glusterp1 ~]# gluster peer probe glusterp3.graywitch.co.nz peer probe: failed: glusterp3.graywitch.co.nz is either already part of another cluster or having volumes configured [root@glusterp1 ~]# gluster volume info No volumes present [root@glusterp1 ~]# ========= on glusterp2, ========= [root@glusterp2 ~]# systemctl status glusterd.service ● glusterd.service - GlusterFS, a clustered file-system server Loaded: loaded (/usr/lib/systemd/system/glusterd.service; disabled; vendor preset: disabled) Active: active (running) since Fri 2016-10-28 15:22:34 NZDT; 5min ago Main PID: 16779 (glusterd) CGroup: /system.slice/glusterd.service └─16779 /usr/sbin/glusterd -p /var/run/glusterd.pid --log-level INFO Oct 28 15:22:32 glusterp2.graywitch.co.nz systemd[1]: Starting GlusterFS, a clustered file-system server... Oct 28 15:22:34 glusterp2.graywitch.co.nz systemd[1]: Started GlusterFS, a clustered file-system server. [root@glusterp2 ~]# gluster volume info No volumes present [root@glusterp2 ~]# gluster peer status Number of Peers: 2 Hostname: 192.168.1.33 Uuid: 0fde5a5b-6254-4931-b704-40a88d4e89ce State: Sent and Received peer request (Connected) Hostname: 192.168.1.31 Uuid: a29a93ee-e03a-46b0-a168-4d5e224d5f02 State: Peer in Cluster (Connected) [root@glusterp2 ~]# ========== on glusterp3, ========== [root@glusterp3 glusterd]# systemctl status glusterd.service ● glusterd.service - GlusterFS, a clustered file-system server Loaded: loaded (/usr/lib/systemd/system/glusterd.service; disabled; vendor preset: disabled) Active: active (running) since Fri 2016-10-28 15:26:40 NZDT; 1min 16s ago Main PID: 7033 (glusterd) CGroup: /system.slice/glusterd.service └─7033 /usr/sbin/glusterd -p /var/run/glusterd.pid --log-level INFO Oct 28 15:26:37 glusterp3.graywitch.co.nz systemd[1]: Starting GlusterFS, a clustered file-system server... Oct 28 15:26:40 glusterp3.graywitch.co.nz systemd[1]: Started GlusterFS, a clustered file-system server. [root@glusterp3 glusterd]# gluster volume info No volumes present [root@glusterp3 glusterd]# gluster peer probe glusterp1.graywitch.co.nz peer probe: failed: glusterp1.graywitch.co.nz is either already part of another cluster or having volumes configured [root@glusterp3 glusterd]# gluster volume info No volumes present [root@glusterp3 glusterd]# gluster peer status Number of Peers: 1 Hostname: glusterp2.graywitch.co.nz Uuid: ef780f56-267f-4a6d-8412-4f1bb31fd3ac State: Sent and Received peer request (Connected) [root@glusterp3 glusterd]# =========== How do I clean this mess up? thanks

2 1

gluster how to setup a volume across 3 nodes via ovirt
by Thing 28 Oct '16

28 Oct '16

Hi, I have 3 gluster nodes running, ====== [root@glusterp1 ~]# gluster peer status Number of Peers: 2 Hostname: 192.168.1.33 Uuid: 0fde5a5b-6254-4931-b704-40a88d4e89ce State: Peer in Cluster (Connected) Hostname: 192.168.1.32 Uuid: ef780f56-267f-4a6d-8412-4f1bb31fd3ac State: Peer in Cluster (Connected) ====== I have a 900gb partition on each of the three nodes ready to go, formatted xfs. However when I go into host---> storage devices it says gv_1-lvgv1 is already in use and "create brick" is greyed out. So how do I get "create brick" un-greyed? The partition isnt mounted, just setup and xfs'd ready for use. Or am I better to set it up via the CLI on glusterp1? I assume I can then import it into ovirt for use?

1 0

power management configuration.
by Thing 28 Oct '16

28 Oct '16

So far from reading it appears this only applies to "proper" servers? ie without a iLo card there is nothiing to do?

1 0

host gaga and ovirt cannt control it.
by Thing 27 Oct '16

27 Oct '16

Ok, I have struggled with this for 2 hours now, glusterp2 and the ovirt server are basically not talking at all. I have rebooted both, I dont know how many times. Reading via google there seems to be no fix for this bar a manual hack of the ovirt server's database to delete the host glusterp2? or it it re-install from scratch time? If I have to re-install from scratch, is it best to go back a version of ovirt say to 3.6?

2 2

fakevdsm templates per datacenter
by joost＠familiealbers.nl 27 Oct '16

27 Oct '16

Hi All, i have two ovirt / fakevdsm questions. I am using fakevdsm to test my ovirt 4.0.5 engine. I have a somewhat awkward setup where i have a relatively large amount of dc's. I cannot get nfs master domain to work from the api. The api code is solid and is used on a ovirt-engine 3.5 production cluster. When creating the nfs storage domain i have no issues (it is created as id (00000-00000 more zeros here......) but when i try to attach it to a dc it fails. I am not sure this is an ovirt of fakevdsm issue. When i manually add the nfs storage domain it does get created which is somewhat worrying. My real aim would be to run 500 dc's with 2 hosts and around 5 vms. Not being able to use the nfs storage master domain is one of the issues. To work around this i decided to try and create 1000 dcs with a single host using local storage. Allthough this works it looks like the hosts and vms within the dc's are actually not having their own storage pool. In our prod environment we run at a much lower scale serveral dc's with shared gluster storage (shared between the two hosts in the cluster) This is considered per dc its own storage pool. In my tests when reaching dc,cluster, host 249 things fail, this is likely because of the value of 'maxnumberofhostsinstoragepool'. I would expect this to be bound to the dcs and not the overall server. In short i expect each dc to be able to run 249 hosts as each dc is its own storage pool? Similarly when i look at the ovirt ui some hosts actually show they are running the total amount of running vms. Again i am not sure if i am correct in assuming each dc is its own storage pool. Finally. As this setup is somewhat awkward i would like to tweak the diverse flags in ovirt engine to be more relaxed about obtaining data from the hosts and storage domains. I believe ovirt engine now checks every 3 seconds the host but i am guessing i can live with every 60 seconds for example, the same would apply for the storage part. what i am not sure about though is if there is a golden ratio between these config items. I.e. there is vdsRefreshRate, if i set this to 60 instead of 3 do i need to also change the vdsTimeout value which is set to 180 by default? sorru for the lenght of this message. the most critical items are. Should i worry about not being eable to create an nfs master domain or is this a fakevdsm thing Why are my dcs, for someone reason related to the main storage pool or am i right in thinking a dc + cluster +host with local storage, is its own storage pool? Thanks you so much.

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HostedEngine Storage
by Bryan Sockel 27 Oct '16

27 Oct '16

Hi, We currently have our HostedEngine VM running on a gluster Replica 3 storage domain. Is there a way to modify the mount options in oVirt to specify the Backup-Volfile servers?

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[ANN] oVirt 4.0.5 Fourth Release Candidate is now available
by Sandro Bonazzola 27 Oct '16

27 Oct '16

The oVirt Project is pleased to announce the availability of oVirt 4.0.5 fourth release candidate for testing, as of October 27th, 2016. This release is available now for: * Fedora 23 (tech preview) * Red Hat Enterprise Linux 7.2 or later * CentOS Linux (or similar) 7.2 or later This release supports Hypervisor Hosts running: * Red Hat Enterprise Linux 7.2 or later * CentOS Linux (or similar) 7.2 or later * Fedora 23 (tech preview) * oVirt Next Generation Node 4.0 This is pre-release software. Please take a look at our community page[1] to know how to ask questions and interact with developers and users. All issues or bugs should be reported via oVirt Bugzilla[2]. This pre-release should not to be used in production. This update is the fourth release candidate of the fifth in a series of stabilization updates to the 4.0 series. 4.0.5 brings 13 enhancements and 83 bugfixes, including 37 high or urgent severity fixes, on top of oVirt 4.0 series See the release notes [3] for installation / upgrade instructions and a list of new features and bugs fixed. Notes: * A new oVirt Live ISO is available. [4] * A new oVirt Next Generation Node will be available soon [4] * A new oVirt Engine Appliance is available for Red Hat Enterprise Linux and CentOS Linux (or similar) * Mirrors[5] might need up to one day to synchronize. Additional Resources: * Read more about the oVirt 4.0.5 release highlights: http://www.ovirt.org/release/4.0.5/ * Get more oVirt Project updates on Twitter: https://twitter.com/ovirt * Check out the latest project news on the oVirt blog: http://www.ovirt.org/blog/ [1] https://www.ovirt.org/community/ [2] https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt [3] http://www.ovirt.org/release/4.0.5/ [4] http://resources.ovirt.org/pub/ovirt-4.0-pre/iso/ [5] http://www.ovirt.org/Repository_mirrors#Current_mirrors -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

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