Re: [ovirt-users] [Gluster-users] Hot to force glusterfs to use RDMA?

Dear Deepak, thank you for the hints, which gluster are you using? As you can see from my previous email that the RDMA connection tested with qperf. It is working as expected. In my case the clients are servers as well, they are hosts for the ovirt. Disabling selinux is nor recommended by ovirt,

Re: [ovirt-users] Hot to force glusterfs to use RDMA?

[Adding gluster users to help with error] [2017-03-02 11:49:47.828996] W [MSGID: 103071] [rdma.c:4589:__gf_rdma_ctx_create] 0-rpc-transport/rdma: rdma_cm event channel creation failed [No such device] On Thu, Mar 2, 2017 at 5:36 PM, Arman Khalatyan wrote: > BTW RDMA is

[ovirt-users] Unsupported Cluster with oVirt question

Hi, I have two questions about an oVirt setup. I have 3 nodes connected to a SAN storage via FC and all VMs are kept in this SAN. From the SAN I have mounted two partitions to each of these nodes and these partitions are in an OCFS2 cluster setup. I am planning to export these partitions and

Re: [ovirt-users] vm display effect

Yes. I have installed ovirt-guest-tools. There is a vitual card called "red hat qxl gpu" in the windows vm and I use virt-viewer console. From: Jiri Belka Date: 2017-02-22 22:50 To: qinglong dong CC: users Subject: Re: [ovirt-users] vm display effect Do you have SPICE console and SPICE agents

Re: [ovirt-users] Updating the notification emails after the hosted-engine is deployed

On Wed, Mar 1, 2017 at 2:28 PM, Gustav H Meyer wrote: > On 01/03/2017 12:19, Simone Tiraboschi wrote: > > On Wed, Mar 1, 2017 at 9:47 AM, Gustav H Meyer wrote: > >> In fact I would actually like to know how to approach and change the >> source-email

Re: [ovirt-users] OVirt new cluster host only logins on one iSCSI

On Thu, Mar 2, 2017 at 6:46 PM, Duarte Fernandes Rocha wrote: > Hi Simone, > Hi, > > > Thanks for your reply. Maybe I did not explain myself correctly. > > > > > > I have a Hosted engine Setup, 2 physical hosts, 1 for virtualization > and > > > > another for managing OVirt.

Re: [ovirt-users] About qemu's CPU up to 400-500%

On Thu, Mar 2, 2017 at 8:08 PM 张 余歌 wrote: > hello,friends! > > It is weird that it showed qemu' CPU is not normal. > There is simply not enough data here to help you. How many vCPUS, how many CPUs, the qemu-kvm command line, etc., all can help. Generally, video

Re: [ovirt-users] Replicated Glusterfs on top of ZFS

hey, what are you using for zfs? get an arc status and show please 2017-03-02 9:57 GMT-03:00 Arman Khalatyan : > no, > ZFS itself is not on top of lvm. only ssd was spitted by lvm for slog(10G) > and cache (the rest) > but in any-case the ssd does not help much on

[ovirt-users] About qemu's CPU up to 400-500%

hello,friends! It is weird that it showed qemu' CPU is not normal. #top PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND 52313 qemu 20 0 9075m 4.3g 23m S 433.1 3.5 666:30.59 qemu-kvm 75583 qemu 20 0 9220m 4.2g 6636 R 216.1 3.3 151:28.02 qemu-kvm 85492

Re: [ovirt-users] OVirt new cluster host only logins on one iSCSI

Hi Simone, Thanks for your reply. Maybe I did not explain myself correctly. > > I have a Hosted engine Setup, 2 physical hosts, 1 for virtualization and > > another for managing OVirt. > > The host that runs the engine VM could also run other VMs at the same time. > On the other side, only if

Re: [ovirt-users] OVirt new cluster host only logins on one iSCSI

On Thu, Mar 2, 2017 at 5:55 PM, Duarte Fernandes Rocha wrote: > Hello all, > > > > I have a Hosted engine Setup, 2 physical hosts, 1 for virtualization and > another for managing OVirt. > The host that runs the engine VM could also run other VMs at the same time. On the other

[ovirt-users] OVirt new cluster host only logins on one iSCSI

Hello all, I have a Hosted engine Setup, 2 physical hosts, 1 for virtualization and another for managing OVirt. I've setup the storage via iSCSI, with 2 sessions tcp: [1] *.*.*.*:3260,1 iqn.1992 (non-flash) tcp: [2] *.*.*.*:3260,2 iqn.1992 (non-flash)

Re: [ovirt-users] hosted-engine status timestamp

Hi, can you please post an example? The timestamp is computed from monotonic time we use internally and from the local time at the server. Also it is the timestamp of the last received status message. Regards -- Martin Sivak SLA / oVirt On Thu, Mar 2, 2017 at 12:06 PM, martin twostep

Re: [ovirt-users] Cluster compatibility version and major upgrades

On Thu, Mar 2, 2017 at 4:44 PM Yedidyah Bar David wrote: > On Tue, Feb 28, 2017 at 10:06 PM, Chris Adams wrote: > > Hello again, still working on my upgrade from 3.5... > > > > I'm trying to understand the cluster compatibility version setting and > > how that

Re: [ovirt-users] Expanding direct ISCSI LUN

Hi Koen, Offline refresh of a direct lun's size is supported since oVirt 3.4 [1]. Online refresh, however, is not yet supported [2]. You can try the workaround posted on [2], comment 7. Regards, Idan [1] *Bug 1026868* - Direct LUN is not

Re: [ovirt-users] Cluster compatibility version and major upgrades

On Tue, Feb 28, 2017 at 10:06 PM, Chris Adams wrote: > Hello again, still working on my upgrade from 3.5... > > I'm trying to understand the cluster compatibility version setting and > how that applies to major upgrades. Do I have to always raise the > compatibility version

[ovirt-users] hosted-engine status timestamp

RHV 4.0 and self hosted engine. Please explain why when I run hosted-engine --vm-status, the timestamp field in the Extra metadata (valid at timestamp) section is obsolete not the present time? ___ Users mailing list Users@ovirt.org

Re: [ovirt-users] Virsh

On Thu, Mar 2, 2017 at 3:10 PM, Gianluca Cecchi wrote: > On Thu, Mar 2, 2017 at 12:49 PM, Koen Vanoppen > wrote: > >> [root@mercury1 ~]# saslpasswd2 -a libvirt koen >> Password: >> Again (for verification): >> [root@mercury1 ~]# virsh list

Re: [ovirt-users] Virsh

On Thu, Mar 2, 2017 at 12:49 PM, Koen Vanoppen wrote: > [root@mercury1 ~]# saslpasswd2 -a libvirt koen > Password: > Again (for verification): > [root@mercury1 ~]# virsh list --all > Please enter your authentication name: koen > Please enter your password: > error:

Re: [ovirt-users] Expanding direct ISCSI LUN

I can't see the new size on the VM. And just to be clear about what I'm trying yo accomplish without a reboot preferably...: [image: Inline images 1] That disk, states that it is 10 GB... On the ISCSI side it has been enlarged to 20 GB. Kind regards, Koen On 2 March 2017 at 10:05, Elad Ben

Re: [ovirt-users] Replicated Glusterfs on top of ZFS

no, ZFS itself is not on top of lvm. only ssd was spitted by lvm for slog(10G) and cache (the rest) but in any-case the ssd does not help much on glusterfs/ovirt load it has almost 100% cache misses:( (terrible performance compare with nfs) On Thu, Mar 2, 2017 at 1:47 PM, FERNANDO

Re: [ovirt-users] Replicated Glusterfs on top of ZFS

Am I understanding correctly, but you have Gluster on the top of ZFS which is on the top of LVM ? If so, why the usage of LVM was necessary ? I have ZFS with any need of LVM. Fernando On 02/03/2017 06:19, Arman Khalatyan wrote: Hi, I use 3 nodes with zfs and glusterfs. Are there any

Re: [ovirt-users] Hot to force glusterfs to use RDMA?

Hello, hmm, i saw that i'm not using RDMA, how i can safely tune it? I have 3 server setup with GlusterFS: [root@virt1 ~]# gluster volume info Volume Name: data Type: Replicate Volume ID: d53c2202-0dba-4973-960e-4642d41bcdd8 Status: Started Snapshot Count: 0 Number of Bricks: 1 x (2 + 1) = 3

Re: [ovirt-users] Hot to force glusterfs to use RDMA?

BTW RDMA is working as expected: root@clei26 ~]# qperf clei22.vib tcp_bw tcp_lat tcp_bw: bw = 475 MB/sec tcp_lat: latency = 52.8 us [root@clei26 ~]# thank you beforehand. Arman. On Thu, Mar 2, 2017 at 12:54 PM, Arman Khalatyan wrote: > just for reference: >

Re: [ovirt-users] Hot to force glusterfs to use RDMA?

just for reference: gluster volume info Volume Name: GluReplica Type: Replicate Volume ID: ee686dfe-203a-4caa-a691-26353460cc48 Status: Started Snapshot Count: 0 Number of Bricks: 1 x (2 + 1) = 3 Transport-type: tcp,rdma Bricks: Brick1: 10.10.10.44:/zclei22/01/glu Brick2:

Re: [ovirt-users] Hot to force glusterfs to use RDMA?

I am not able to mount with RDMA over cli Are there some volfile parameters needs to be tuned? /usr/bin/mount -t glusterfs -o backup-volfile-servers=10.10.10.44:10.10.10.42:10.10.10.41,transport=rdma 10.10.10.44:/GluReplica /mnt [2017-03-02 11:49:47.795511] I [MSGID: 100030]

Re: [ovirt-users] Virsh

[root@mercury1 ~]# saslpasswd2 -a libvirt koen Password: Again (for verification): [root@mercury1 ~]# virsh list --all Please enter your authentication name: koen Please enter your password: error: failed to connect to the hypervisor error: no valid connection error: authentication failed:

[ovirt-users] ovirtvm-console : Failed to execute login on behalf - for user

Hi, I am getting exactly the same issue here with 4.1 , when trying to log in to the serial console over SSH. The user with domain is "emayoral_...@arsyslan.es" (please note mailman may translate the "at" character to a textual "_at_"). The First name and last name as read from active

Re: [ovirt-users] Hot to force glusterfs to use RDMA?

You will need to pass additional mount options while creating the storage domain (transport=rdma) Please let us know if this works. On Thu, Mar 2, 2017 at 2:42 PM, Arman Khalatyan wrote: > Hi, > Are there way to force the connections over RDMA only? > If I check host mounts

[ovirt-users] hosted-engine status timestamp

RHV 4.0 and self hosted engine. Please explain why when I run hosted-engine --vm-status, the timestamp field in the Extra metadata (valid at timestamp) section is obsolete not the present time? ___ Users mailing list Users@ovirt.org

Re: [ovirt-users] Virsh

ok I forgot that if you let vdsmd to manage libvirtd than everything is lockdown to readonly you should try this: 1) saslpasswd2 -a libvirt username 2) then virsh list --all On Thu, Mar 2, 2017 at 11:39 AM, Koen Vanoppen wrote: > That works... > > [root@mercury1

[ovirt-users] Staring cluster Hosted Engine stuck - failed liveliness check

What is the correct way to shut down a cluster ? I shutdown my 4.1 cluster following this guide https://github.com/rharmonson/richtech/wiki/OSVDC-Series:- oVirt-3.6-Cluster-Shutdown-and-Startup as the NAS hosting the nfs mounts needed rebooting after updates. ( I realise the guide is for 3.6,

Re: [ovirt-users] Virsh

That works... [root@mercury1 ~]# virsh -r list IdName State 3 elear01prodrunning ... [root@mercury1 ~]# ps aux | grep libvirt root 6137 1.6 0.0 1283180 23636 ? Ssl Feb16 325:14

[ovirt-users] Replicated Glusterfs on top of ZFS

Hi, I use 3 nodes with zfs and glusterfs. Are there any suggestions to optimize it? host zfs config 4TB-HDD+250GB-SSD: [root@clei22 ~]# zpool status pool: zclei22 state: ONLINE scan: scrub repaired 0 in 0h0m with 0 errors on Tue Feb 28 14:16:07 2017 config: NAME

[ovirt-users] Hot to force glusterfs to use RDMA?

Hi, Are there way to force the connections over RDMA only? If I check host mounts I cannot see rdma mount option: mount -l| grep gluster 10.10.10.44:/GluReplica on /rhev/data-center/mnt/glusterSD/10.10.10.44:_GluReplica type fuse.glusterfs

Re: [ovirt-users] Gluster setup disappears any chance to recover?

I just discovered in the logs several troubles: 1) the rdma support was not installed from glusterfs (but the RDMA check box was selected) 2) somehow every second during the resync the connection was going down and up... 3)Due to 2) the hosts are restarging daemon glusterfs several times, with

Re: [ovirt-users] Expanding direct ISCSI LUN

Please check with 'lsblk' on the VM if you see the new size. On Thu, Mar 2, 2017 at 11:01 AM, Arman Khalatyan wrote: > did you check this: > http://www.ovirt.org/develop/release-management/features/ > storage/lun-resize/ > I had similar trouble but after rebooting host or

Re: [ovirt-users] Expanding direct ISCSI LUN

did you check this: http://www.ovirt.org/develop/release-management/features/storage/lun-resize/ I had similar trouble but after rebooting host or restarting vdsmd the resize button become visible. On Thu, Mar 2, 2017 at 7:41 AM, Koen Vanoppen wrote: > Dear All, > >

Re: [ovirt-users] Virsh

what about: virsh -r list ps aux | grep libvirt On Thu, Mar 2, 2017 at 7:38 AM, Koen Vanoppen wrote: > I wasn't finished... :-) > Dear all, > > I know I did it before But for the moment I can't connect to virsh... > [root@mercury1 ~]# saslpasswd2 -a libvirt koen >

Re: [ovirt-users] Upgrade path from running 3.6 (centos 7) to 4.1

On Thu, Mar 2, 2017 at 10:16 AM Peter Hudec wrote: > A Few weeks ago I did upgrade from 3.5 to 4.1 > The release-by-release (3.5 -> 3.6 -> 4.0 -> 4.1)upgrade we found out as > very time consuming, since we were running CentOS 6 on all HOST and > Engine too. We decided to install

Re: [ovirt-users] Mirgration issues

Please take care that directly moving away or restarting VMs under oVirt hood could cause conflicts with potentially dangerous results: https://bugzilla.redhat.com/show_bug.cgi?id=1419649#c11 On Wed, Mar 1, 2017 at 9:40 AM, Arman Khalatyan wrote: > to use virsh you can set

Re: [ovirt-users] Upgrade path from running 3.6 (centos 7) to 4.1

A Few weeks ago I did upgrade from 3.5 to 4.1 The release-by-release (3.5 -> 3.6 -> 4.0 -> 4.1)upgrade we found out as very time consuming, since we were running CentOS 6 on all HOST and Engine too. We decided to install new 4.1 and migrate the VM. The only disadvantage of this upgrade is the VM