failed to migrate Vm
by Bill James
I have a hardware node that for whatever reason most of the VM status
was "?", even though VM was up and running fine.
node was running ovirt 3.6 so I decided to upgrade it to 4.1.0.4-1 like
most of the rest of the cluster is, including engine.
After upgrade some VMs I'm able to start up fine on the upgraded hosts,
other fail to start on that host and migrate themselves to another host.
If I try to manually migrate them to the recently upgraded host
migration fails. I have yet to find in the logs where it says why they fail.
I am able to "runonce" the VM and tell it to start on this host and it
starts fine.
Why is migration failing?
ovirt-engine-4.1.0.4-1.el7.centos.noarch
vdsm-4.19.4-1.el7.centos.x86_64
2017-03-04 10:16:51,716-08 ERROR
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
(org.ovirt.thread.pool-7-thread-48)
[519095c3-83ed-4478-8dd4-f432db6db140] EVENT_ID:
VM_MIGRATION_TO_SERVER_FAILED(120), Correlation ID: 2
6d1ecba-8711-408d-b9d5-6461a4aab4e5, Job ID:
546e0e11-9b4b-48d4-bd50-2f525d049ae2, Call Stack: null, Custom Event ID:
-1, Message: Migration failed (VM: *j2es2.test.j2noc.com*, Source:
ovirt6.test.j2noc.com, Destination: *ovirt4.test.j2noc.com*)
(engine.log attached)
Thanks.
7 years, 1 month
lvscan on rhv host
by Marcin Kruk
Could somebody give me a links to doc or explain behavior of lv volumes in
RHV 4 cluster, once they are active another time they are incative, and how
to corelate the lv volumes names with disks of virtual machines, or other
disks?
7 years, 1 month
Staring cluster Hosted Engine stuck - failed liveliness check
by Maton, Brett
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, surely not that different ? )
However hosted engine isn't starting now.
failed liveliness check
I've tried connecting from the host starting the HE vm to see what's going
on with:
virsh console HostedEngine
I don't know what authentication it requires, tried engine admin details
and root os...
hosted-engine --add-console-password
Enter password:
no graphics devices configured
unsurprisingly, remote-viewer vnc://localhost:5900
fails with Unable to connect to the graphic server vnc://localhost:5900
What can I do next ?
7 years, 1 month
best way to remove SAN lun
by Gianluca Cecchi
Hello,
currently I have a cluster of 3 hosts where each one has FC SAN
connectivity to 4 LUNs: 3 are already configured as storage domains (1TB,
2TB, 4TB), one is free, not allocated.
See here for screenshot:
https://drive.google.com/file/d/0BwoPbcrMv8mvRVZZMTlNcTQ5MGs/view?usp=sha...
At the moment the command "multipath -l" run on hosts shows all the 4 LUNs.
Now I want to do 2 things at storage array level:
- remove the 2TB storage domain LUN
- remove the 20Gb LUN not yet allocated
What is the correct workflow, supposing I have already emptied the 2TB from
VM disks ad such?
Select 2Tb SD, then Datacenter subtab, then "maintenance", detach" and at
the end "remove"?
I think I continue to see 4 LUNs at this point, correct?
Now I proceed with removal of lun at storage array level?
Should I select an SD line and then "Scan disks" to see refresh the SAN and
see in multipath only 2 of them at the end?
Or any manual command at host level before removal from array?
Thanks in advance
Gianluca
7 years, 1 month
Hot to force glusterfs to use RDMA?
by Arman Khalatyan
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
(rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)
I have glusterized 3 nodes:
GluReplica
Volume ID:
ee686dfe-203a-4caa-a691-26353460cc48
Volume Type:
Replicate (Arbiter)
Replica Count:
2 + 1
Number of Bricks:
3
Transport Types:
TCP, RDMA
Maximum no of snapshots:
256
Capacity:
3.51 TiB total, 190.56 GiB used, 3.33 TiB free
7 years, 1 month
Unsupported Cluster with oVirt question
by m m
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 create
NFS Domain storage in oVirt. Is there any better way considering this
setup? my second question is, in the event that one of the nodes is
failing, is there thing I can do to prevent VMs running on that failing
node not to fail?
Regards
7 years, 1 month
vm display effect
by qinglong.dong＠horebdata.cn
This is a multi-part message in MIME format.
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ze: 10.5pt; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body>=
=0A<div><span></span>Hi, all</div><div> <span style=3D"f=
ont-size: 10.5pt; line-height: 1.5; background-color: window;"> &nbs=
p; I have used windows vm created by ovirt for a long time. I found that t=
he vm display effect was not very good in some cases. For example, The cod=
es came out word by word when using some c</span><span style=3D"font-size:=
10.5pt; line-height: 1.5; background-color: window;">ode browsing&nb=
sp;tools. And sometimes online video playing was not very fluent.</span></=
div><div><span style=3D"font-size: 10.5pt; line-height: 1.5; background-co=
lor: window;"> </span><span style=3D"font-size: 10.5pt; =
line-height: 1.5; background-color: window;"> </span><sp=
an style=3D"font-size: 10.5pt; line-height: 1.5; background-color: window;=
">Anyone coiuld give some advices to improve this? Thanks!</span></div>=0A=
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7 years, 1 month
Updating the notification emails after the hosted-engine is deployed
by Joseph Kelly
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7 years, 1 month
About qemu's CPU up to 400-500%
by 张 余歌
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<p>hello,friends!</p>
<p>It is weird that it showed qemu' CPU is not normal.</p>
<p><br>
</p>
<p>#top</p>
<p></p>
<div><br>
</div>
<div> PID USER PR NI VIRT  =
;RES SHR S %CPU %MEM TIME+ COMMAND</div>
<div> 52313 qemu 20 0 9075m 4.3g 23m =
S <i>433.1</i> 3.5 666:30.59 qemu-kvm</div>
<div> 75583 qemu 20 0 9220m 4.2g 6636 R <i>=
216.1</i> 3.3 151:28.02 qemu-kvm</div>
<div> 85492 root 20 0 217m 24m =
5100 R 99.7 0.0 0:36.90 python</div>
<div> 56704 qemu 20 0 6976m 2.2g 7400 S 60.=
3 1.8 306:07.15 qemu-kvm</div>
<div> 75590 root 20 0 0  =
; 0 0 R 45.2 0.0 7:49.30 vhost-75583</div>
<div> 8164 qemu 20 0 8905m 4.2g 6592 S 11.=
5 3.3 107:22.30 qemu-kvm</div>
<div> 4743 ovirt 20 0 49.3g 9.8g 21m S 10.=
9 7.8 62:37.25 java</div>
<div> 5475 root 20 0 911m 13m =
6136 S 10.9 0.0 28:55.46 libvirtd</div>
<div> 6367 vdsm 0 -20 4258m 131m 9296 S 10.9 &nb=
sp;0.1 102:29.89 vdsm</div>
<div> 82409 postgres 20 0 260m 62m 21m =
S 10.9 0.0 0:35.59 postmaster</div>
<div> 24706 root 20 0 15704 2000 924 =
S 4.2 0.0 17:38.40 top</div>
<div> 6819 root 20 0 15804 2012 932 =
S 3.8 0.0 21:30.74 top</div>
<div> 77317 root 20 0 15692 1992 924 =
S 3.8 0.0 3:11.78 top</div>
<div> 85203 root 20 0 15692 1996 924 =
S 3.8 0.0 0:09.55 top</div>
<div> 178 root 20 0 0 =
0 0 S 3.2 0.0 14:42.95 events/1=
5</div>
<div> 85555 root 20 0 15692 1992 924 =
R 3.2 0.0 0:00.59 top</div>
<div> 4945 apache 20 0 194m 5532 2332 S &nb=
sp;1.3 0.0 0:27.57 httpd</div>
<div><br>
</div>
<div>It caused me cannot use vm normally!especially when i was playing vide=
o,it performed badly .Suddenly encountered this condition,i don't kno=
w how to deal with it.Help me please!</div>
<div><br>
</div>
<div>I found the cpu usage of qemu was not sooooo normal!But i had no idea.=
</div>
<p></p>
</div>
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--_000_DM5PR11MB1930C74C309A493FF58FD13090280DM5PR11MB1930namp_--
7 years, 1 month
hosted-engine status timestamp
by martin twostep
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?
7 years, 1 month
