January 2018 - Users - oVirt List Archives

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 >> >> >

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[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>

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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.

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

04 Jan '18

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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.

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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

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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

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oVirt-Gluster Hyperconvergence: Graceful shutdown and startup
by Bernhard Seidl 04 Jan '18

04 Jan '18

This is a cryptographically signed message in MIME format. --------------ms050505050407040006080208 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Hi all and a happy new year, I am just testing oVirt 4.2 using a three node gluster hyperconvergence and self hosted engine setup. How should this setup be shutdown and started again? Here is what tried an experienced: Shutdown: 1. Shutdown all VMs 2. Enable global ha maintenance 3. Wait for all VM 4. Shutdown hosted-engine using "hosted-engine --vm-shutdown" 5. Wait for stopped hosted engine 6. Shutdown all nodes Startup: 1. Switch on all nodes 2. Start glusterd on all nodes since it does not start by default (is this a bug?) using "systemctl start glusterd*"* 3. Check volume status using "gluster peer status" and "gluster volume status all" on one of the nodes 4. Wait for ovrt-ha-agent until "hosted-engine --vm-status" does not fail anymore printing "The hosted engine configuration has not been retrieved from shared storage. Please ensure that ovirt-ha-agent is running and the storage server is reachable." 4. Start hosted engine "hosted-engine --vm-start" on one of the nodes 5. Check status using "hosted-engine --vm-status" and wait until health reports good 6. Wait until a host got the SPM role 7. Start VMs Is this the best/correct way? 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About vGPU in oVirt
by lofyer 04 Jan '18

04 Jan '18

It seems to be that no M10/M60 vGPU host driver for RHEL7 available on NVIDIA site. Where should I get the driver or just wait for NVIDIA to release?

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Hosted Engine fails if there's a VLAN on the bonded network
by Vinícius Ferrão 04 Jan '18

04 Jan '18

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