[Users] Processor Type
by Maurice James
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How do I assign a different processor type to an individual VM? (Sandy
Bridge, Conroe, etc)
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10 years, 8 months
[Users] TSC clocksource gets lost after live migration
by Markus Stockhausen
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Hello,
we have an up to date ovirt 3.4 installation. Inside we are running SLES11 =
SP3
VMs (Kernel 3.0.76-0.11). After live migration of these VMs they all of a s=
udden
do not react any longer and CPU usage of the VM goes to 100%.
We identified kvm-clock source to be the culprit and therefore switched to =
another
clocksource. We ended with hpet but are not happy with that as our inital g=
oal
was to use the more simple designed TSC clocksoure.
The reason behind that is the question I have for you experts.
Our hosts all have the constant_tsc CPU flag available. Just to mention the=
se
are not identical hosts. We have a mix of Xeon 5500 and 5600 machines. E.G.
[root@colovn01 ~]# cat /proc/cpuinfo | grep constant_tsc | wc -l
8
When we start the VM the client sees TSC as available clocksource:
colvm53:~ # cat /sys/devices/system/clocksource/clocksource0/available_cloc=
ksource
kvm-clock tsc hpet acpi_pm
After the first live migration to another host that also has constant_tsc (=
see above)
that flag is lost inside the VM.
colvm53:~ # cat /sys/devices/system/clocksource/clocksource0/available_cloc=
ksource
kvm-clock hpet acpi_pm
Any ideas?
Markus
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<div style=3D"direction: ltr;font-family: Tahoma;color: #000000;font-size: =
10pt;">Hello,<br>
<br>
we have an up to date ovirt 3.4 installation. Inside we are running SLES11 =
SP3<br>
VMs (Kernel 3.0.76-0.11). After live migration of these VMs they all of a s=
udden<br>
do not react any longer and CPU usage of the VM goes to 100%.<br>
<br>
We identified kvm-clock source to be the culprit and therefore switched to =
another<br>
clocksource. We ended with hpet but are not happy with that as our inital g=
oal<br>
was to use the more simple designed TSC clocksoure. <br>
<br>
The reason behind that is the question I have for you experts.<br>
<br>
Our hosts all have the constant_tsc CPU flag available. Just to mention the=
se<br>
are not identical hosts. We have a mix of Xeon 5500 and 5600 machines. E.G.=
<br>
[root@colovn01 ~]# cat /proc/cpuinfo | grep constant_tsc | wc -l<br>
8<br>
<br>
When we start the VM the client sees TSC as available clocksource:<br>
<br>
colvm53:~ # cat /sys/devices/system/clocksource/clocksource0/available_cloc=
ksource<br>
kvm-clock tsc hpet acpi_pm<br>
<br>
After the first live migration to another host that also has constant_tsc (=
see above)<br>
that flag is lost inside the VM.<br>
<br>
colvm53:~ # cat /sys/devices/system/clocksource/clocksource0/available_cloc=
ksource<br>
kvm-clock hpet acpi_pm<br>
<br>
Any ideas?<br>
<br>
Markus<br>
<br>
<br>
</div>
</body>
</html>
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10 years, 8 months
[Users] Fail snapshot
by Kevin Tibi
Hi,
I have a pb when i try to snapshot a VM.
Ovirt engine self hosted 3.4. Two node (host01 and host02).
my engine.log :
2014-04-04 12:30:03,013 INFO
[org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand]
(org.ovirt.thread.pool-6-thread-24) Ending command successfully:
org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand
2014-04-04 12:30:03,028 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand]
(org.ovirt.thread.pool-6-thread-24) START, SnapshotVDSCommand(HostName =
host01, HostId = fcb9a5cf-2064-42a5-99fe-dc56ea39ed81,
vmId=cb038ccf-6c6f-475c-872f-ea812ff795a1), log id: 36463977
2014-04-04 12:30:03,075 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand]
(org.ovirt.thread.pool-6-thread-24) Failed in SnapshotVDS method
2014-04-04 12:30:03,076 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand]
(org.ovirt.thread.pool-6-thread-24) Command
org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand return value
StatusOnlyReturnForXmlRpc [mStatus=StatusForXmlRpc [mCode=48,
mMessage=Snapshot failed]]
2014-04-04 12:30:03,077 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand]
(org.ovirt.thread.pool-6-thread-24) HostName = host01
2014-04-04 12:30:03,078 ERROR
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand]
(org.ovirt.thread.pool-6-thread-24) Command SnapshotVDSCommand(HostName =
host01, HostId = fcb9a5cf-2064-42a5-99fe-dc56ea39ed81,
vmId=cb038ccf-6c6f-475c-872f-ea812ff795a1) execution failed. Exception:
VDSErrorException: VDSGenericException: VDSErrorException: Failed to
SnapshotVDS, error = Snapshot failed, code = 48
2014-04-04 12:30:03,080 INFO
[org.ovirt.engine.core.vdsbroker.vdsbroker.SnapshotVDSCommand]
(org.ovirt.thread.pool-6-thread-24) FINISH, SnapshotVDSCommand, log id:
36463977
2014-04-04 12:30:03,083 WARN
[org.ovirt.engine.core.bll.CreateAllSnapshotsFromVmCommand]
(org.ovirt.thread.pool-6-thread-24) Wasnt able to live snapshot due to
error: VdcBLLException: VdcBLLException:
org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException:
VDSGenericException: VDSErrorException: Failed to SnapshotVDS, error =
Snapshot failed, code = 48 (Failed with error SNAPSHOT_FAILED and code 48).
VM will still be configured to the new created snapshot
2014-04-04 12:30:03,097 INFO
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
(org.ovirt.thread.pool-6-thread-24) Correlation ID: 5650b99f, Job ID:
c1b2d861-2a52-49f1-9eaa-1b63aa8b4fba, Call Stack:
org.ovirt.engine.core.common.errors.VdcBLLException: VdcBLLException:
org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException:
VDSGenericException: VDSErrorException: Failed to SnapshotVDS, error =
Snapshot failed, code = 48 (Failed with error SNAPSHOT_FAILED and code 48)
My /var/log/messages
Apr 4 12:30:04 host01 vdsm vm.Vm ERROR
vmId=`cb038ccf-6c6f-475c-872f-ea812ff795a1`::The base volume doesn't exist:
{'device': 'disk', 'domainID': '5ae613a4-44e4-42cb-89fc-7b5d34c1f30f',
'volumeID': '3b6cbb5d-beed-428d-ac66-9db3dd002e2f', 'imageID':
'646df162-5c6d-44b1-bc47-b63c3fdab0e2'}
My /var/log/libvirt/libvirt.log
2014-04-04 10:40:13.886+0000: 8234: debug : qemuMonitorIOWrite:462 :
QEMU_MONITOR_IO_WRITE: mon=0x7f77ec0ccce0
buf={"execute":"query-blockstats","id":"libvirt-20842"}
len=53 ret=53 errno=11
2014-04-04 10:40:13.888+0000: 8234: debug : qemuMonitorIOProcess:354 :
QEMU_MONITOR_IO_PROCESS: mon=0x7f77ec0ccce0 buf={"return": [{"device":
"drive-ide0-1-0", "parent": {"stats": {"flush_total_time_ns": 0,
"wr_highest_offset": 0, "wr_total_time_ns": 0, "wr_bytes": 0,
"rd_total_time_ns": 0, "flush_operations": 0, "wr_operations": 0,
"rd_bytes": 0, "rd_operations": 0}}, "stats": {"flush_total_time_ns": 0,
"wr_highest_offset": 0, "wr_total_time_ns": 0, "wr_bytes": 0,
"rd_total_time_ns": 11929902, "flush_operations": 0, "wr_operations": 0,
"rd_bytes": 135520, "rd_operations": 46}}, {"device": "drive-virtio-disk0",
"parent": {"stats": {"flush_total_time_ns": 0, "wr_highest_offset":
22184332800, "wr_total_time_ns": 0, "wr_bytes": 0, "rd_total_time_ns": 0,
"flush_operations": 0, "wr_operations": 0, "rd_bytes": 0, "rd_operations":
0}}, "stats": {"flush_total_time_ns": 34786515034, "wr_highest_offset":
22184332800, "wr_total_time_ns": 5131205369094, "wr_bytes": 5122065408,
"rd_total_time_ns": 12987633373, "flush_operations": 285398,
"wr_operations": 401232, "rd_bytes": 392342016, "rd_operations": 15069}}],
"id": "libvirt-20842"}
len=1021
2014-04-04 10:40:13.888+0000: 8263: debug :
qemuMonitorGetBlockStatsInfo:1478 : mon=0x7f77ec0ccce0 dev=ide0-1-0
2014-04-04 10:40:13.889+0000: 8263: debug : qemuMonitorSend:904 :
QEMU_MONITOR_SEND_MSG: mon=0x7f77ec0ccce0
msg={"execute":"query-blockstats","id":"libvirt-20843"}
/var/log/vdsm/vdsm.log
Thread-4732::DEBUG::2014-04-04
12:43:34,439::BindingXMLRPC::1067::vds::(wrapper) client
[192.168.99.104]::call vmSnapshot with
('cb038ccf-6c6f-475c-872f-ea812ff795a1', [{'baseVolumeID':
'b62232fc-4e02-41ce-ae10-5dff9e2f7bbe', 'domainID':
'5ae613a4-44e4-42cb-89fc-7b5d34c1f30f', 'volumeID':
'f5fc4fed-4acd-46e8-9980-90a9c3985840', 'imageID':
'646df162-5c6d-44b1-bc47-b63c3fdab0e2'}],
'5ae613a4-44e4-42cb-89fc-7b5d34c1f30f,00000002-0002-0002-0002-000000000076,4fb31c32-8467-4d4a-b817-977643a462e3,ceb881f3-9a46-4ebc-b82e-c4c91035f807,2c06b4da-2743-4422-ba94-74da2c709188,02804da9-34f8-438f-9e8a-9689bc94790c')
{}
Thread-4732::ERROR::2014-04-04 12:43:34,440::vm::3910::vm.Vm::(snapshot)
vmId=`cb038ccf-6c6f-475c-872f-ea812ff795a1`::The base volume doesn't exist:
{'device': 'disk', 'domainID': '5ae613a4-44e4-42cb-89fc-7b5d34c1f30f',
'volumeID': 'b62232fc-4e02-41ce-ae10-5dff9e2f7bbe', 'imageID':
'646df162-5c6d-44b1-bc47-b63c3fdab0e2'}
Thread-4732::DEBUG::2014-04-04
12:43:34,440::BindingXMLRPC::1074::vds::(wrapper) return vmSnapshot with
{'status': {'message': 'Snapshot failed', 'code': 48}}
Thread-299::DEBUG::2014-04-04
12:43:35,423::fileSD::225::Storage.Misc.excCmd::(getReadDelay) '/bin/dd
iflag=direct
if=/rhev/data-center/mnt/host01.ovirt.lan:_home_export/ff98d346-4515-4349-8437-fb2f5e9eaadf/dom_md/metadata
bs=4096 count=1' (cwd None)
Thx;)
10 years, 8 months
[Users] Conf access rights
by Kevin Tibi
Hi,
I am contacting you because I can not do what I want. I have a
hosted-engine. I have a data center with a cluster that has two nodes. I
have a ipa-server for authentication. I want a user can create VMs. I would
like he could just manage its VMs and not see others. And more, I would
like to put a quota per user.
Is it possible today?
Thx,
Kevin.
10 years, 8 months
[Users] Error installing self hosted engine
by ovirt-test＠arcor.de
Hello,
I'm new to this list and I need help installing a self hosted engine
I've installed CentOS 6.5 and oVirt 3.4. The following repositories are enabled:
yum localinstall http://resources.ovirt.org/releases/ovirt-release.noarch.rpm
yum localinstall http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
yum localinstall http://mirrors.dotsrc.org/jpackage/6.0/generic/free/RPMS/jpackage-release...
Just wanted to check out the self hosted feature. But I get this error:
# hosted-engine --deploy
[ INFO ] Stage: Initializing
Continuing will configure this host for serving as hypervisor and create a VM where you have to install oVirt Engine afterwards.
Are you sure you want to continue? (Yes, No)[Yes]:
[ INFO ] Generating a temporary VNC password.
[ INFO ] Stage: Environment setup
Configuration files: []
Log file: /var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20140401153028.log
Version: otopi-1.2.0 (otopi-1.2.0-1.el6)
[ INFO ] Hardware supports virtualization
[ INFO ] Stage: Environment packages setup
[ INFO ] Stage: Programs detection
[ INFO ] Stage: Environment setup
[ ERROR ] Failed to execute stage 'Environment setup': <Fault 1: "<type 'exceptions.TypeError'>:cannot marshal None unless allow_none is enabled">
[ INFO ] Stage: Clean up
[ INFO ] Stage: Pre-termination
[ INFO ] Stage: Termination
It is not this error:
http://lists.ovirt.org/pipermail/users/2014-March/022424.html
In my logfile are the following errors:
2014-04-01 15:30:32 DEBUG otopi.plugins.otopi.services.rhel plugin.executeRaw:366 execute: ('/sbin/service', 'vdsmd', 'status'), executable='None', cwd='None', env=None
2014-04-01 15:30:32 DEBUG otopi.plugins.otopi.services.rhel plugin.executeRaw:383 execute-result: ('/sbin/service', 'vdsmd', 'status'), rc=0
2014-04-01 15:30:32 DEBUG otopi.plugins.otopi.services.rhel plugin.execute:441 execute-output: ('/sbin/service', 'vdsmd', 'status') stdout:
VDS daemon server is running
2014-04-01 15:30:32 DEBUG otopi.plugins.otopi.services.rhel plugin.execute:446 execute-output: ('/sbin/service', 'vdsmd', 'status') stderr:
2014-04-01 15:30:32 DEBUG otopi.plugins.otopi.services.rhel rhel.status:147 service vdsmd status True
2014-04-01 15:30:32 DEBUG otopi.context context._executeMethod:152 method exception
Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/otopi/context.py", line 142, in _executeMethod
method['method']()
File "/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/ovirt-hosted-engine-setup/system/vdsmenv.py", line 157, in _late_setup
self._connect()
File "/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/ovirt-hosted-engine-setup/system/vdsmenv.py", line 78, in _connect
hwinfo = serv.s.getVdsHardwareInfo()
File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__
return self.__send(self.__name, args)
File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request
verbose=self.__verbose
File "/usr/lib64/python2.6/xmlrpclib.py", line 1253, in request
return self._parse_response(h.getfile(), sock)
File "/usr/lib64/python2.6/xmlrpclib.py", line 1392, in _parse_response
return u.close()
File "/usr/lib64/python2.6/xmlrpclib.py", line 838, in close
raise Fault(**self._stack[0])
Fault: <Fault 1: "<type 'exceptions.TypeError'>:cannot marshal None unless allow_none is enabled">
2014-04-01 15:30:32 ERROR otopi.context context._executeMethod:161 Failed to execute stage 'Environment setup': <Fault 1: "<type 'exceptions.TypeError'>:cannot marshal None unless allow_none is enabled">
2014-04-01 15:30:32 DEBUG otopi.context context.dumpEnvironment:468 ENVIRONMENT DUMP - BEGIN
Can anybody help me how to fix this problem?
Thank you
10 years, 8 months
[Users] oVirt 3.4.0 remove node problem
by Laercio Motta
Hi all,
Upgrade my oVirt yesterday from 3.3.4 to 3.4.0..
For my surprise, the node of 3.3 not running in 3.4 (Cluster version)
Ok... move to maintenance and upgrade :P
But... Maintenance not is running for 10+ minutes.. (No live migration
progress)
I restart the ovirt-engine and live migration running and node is
maintenance mode.. (nice!!)
But.............. (yes, again)... remove the node from ovirt engine not is
possible, this message error in engine.log:
http://pastebin.com/CfTeHepv
PS: sorry for my english.. I'am Brazilian :P
[]'s
--
╔══════════════════════════════════════════════╗
║▒▒▒▒▒▒▒▒▒▒▒ Laercio da Silva Motta ▒▒▒▒▒▒▒▒▒▒▒║
║----------------------------------------------║
║* Blog: *http://www.laerciomotta.com/ ║
║ *Twitter:* http://twitter.com/#!/laerciomasala ║
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╚═════════════════════════════════════════v1.0═╝
10 years, 8 months
[Users] ovirt 3.3 vnic profile with bonding & vlans problem
by Sven Kieske
Hi,
I am attempting a little test with vnic profiles.
I got a profile named "100mbit" with
average: 100
peak: 100
burst: 0
(ovirt warns you can't set peak below average
which is not true from libvirt perspective, it
is an optional field)
I attached this profile to a logical network
with a vlan id, which is connected
to one vm.
when I start the vm, I see the correct
information in the libvirtxml:
<interface type='bridge'>
<mac address='MY_MAC'/>
<source bridge='MY_BRIDGE'/>
<target dev='vnet0'/>
<model type='virtio'/>
<filterref filter='vdsm-no-mac-spoofing'/>
<link state='up'/>
<bandwidth>
<inbound average='12800' peak='12800'/>
<outbound average='12800' peak='12800'/>
</bandwidth>
However when I test the download and upload speed
inside this vm, just the download (inbound) gets
limited correctly, here is a sample test:
Upload (too fast for 100mbit):
root@qostest:~# tnftp -u ftp://ftphost.example.com/test/
install-amd64-minimal-20140220.iso
Connected to ftphost.example.com.
220 (vsFTPd 2.2.2)
331 Please specify the password.
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
200 Switching to Binary mode.
250 Directory successfully changed.
local: install-amd64-minimal-20140220.iso remote:
install-amd64-minimal-20140220.iso
229 Entering Extended Passive Mode (|||13353|)
150 Ok to send data.
100%
|******************************************************************************************************************************************************************************************************************|
64979 KiB 40.77 MiB/s 00:00 ETA226 Transfer complete.
66539088 bytes sent in 00:01 (40.43 MiB/s)
Download (works):
root@qostest:~# tnftp ftp://myuser:mypassword@ftphost.example.com
/test//install-amd64-minimal-20140220.iso
Connected to ftphost.example.com.
220 (vsFTPd 2.2.2)
331 Please specify the password.
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
200 Switching to Binary mode.
250 Directory successfully changed.
local: install-amd64-minimal-20140220.iso remote:
install-amd64-minimal-20140220.iso
229 Entering Extended Passive Mode (|||46847|)
150 Opening BINARY mode data connection for
install-amd64-minimal-20140220.iso (266338304 bytes).
100%
|******************************************************************************************************************************************************************************************************************|
254 MiB 11.94 MiB/s 00:00 ETA226 Transfer complete.
266338304 bytes received in 00:21 (11.94 MiB/s)
221 Goodbye.
This is a CentOS based VM-Host
with the following versions:
rpm -qa | grep vdsm
vdsm-4.13.3-3.el6.x86_64
vdsm-python-4.13.3-3.el6.x86_64
vdsm-xmlrpc-4.13.3-3.el6.noarch
vdsm-cli-4.13.3-3.el6.noarch
rpm -qa | grep libvirt
libvirt-client-0.10.2-29.el6_5.3.x86_64
libvirt-lock-sanlock-0.10.2-29.el6_5.3.x86_64
libvirt-python-0.10.2-29.el6_5.3.x86_64
libvirt-0.10.2-29.el6_5.3.x86_64
ovirt engine 3.3.3-2.el6
I triple checked the libvirt xml, it looks correct.
it also works for downloads, but not for uploads.
The network setup is as following:
eth0 and eth1 -> bond0 -> bond0.X (vlan) -> vm_net
According to http://www.ovirt.org/Features/Network_QoS#VDSM
libvirt version 1.0.1 or higher is needed, but this can't
be true because of 2 things:
1. it works for downloads
2. http://libvirt.org/formatnetwork.html#elementQoS
states:
"The <bandwidth> element allows setting quality of service for a
particular network (since 0.9.4)"
Any help would be greatly appreciated.
Could this be related to bonding?
I'm pretty sure this worked before I bonded eth0 and eth1.
--
Mit freundlichen Grüßen / Regards
Sven Kieske
Systemadministrator
Mittwald CM Service GmbH & Co. KG
Königsberger Straße 6
32339 Espelkamp
T: +49-5772-293-100
F: +49-5772-293-333
https://www.mittwald.de
Geschäftsführer: Robert Meyer
St.Nr.: 331/5721/1033, USt-IdNr.: DE814773217, HRA 6640, AG Bad Oeynhausen
Komplementärin: Robert Meyer Verwaltungs GmbH, HRB 13260, AG Bad Oeynhausen
10 years, 8 months
Re: [Users] HA
by Koen Vanoppen
So... It is possible for a fully automatic migration of the VM to another
hypervisor in case Storage connection fails?
How can we make this happen? Because for the moment, when we tested the
situation they stayed in pause state.
(Test situation:
- Unplug the 2 fibre cables from the hypervisor
- VM's go in pause state
- VM's stayed in pause state until the failure was solved
)
They only returned when we restored the fiber connection to the
Hypervisor...
Kind Regards,
Koen
2014-04-04 13:52 GMT+02:00 Koen Vanoppen <vanoppen.koen(a)gmail.com>:
> So... It is possible for a fully automatic migration of the VM to another
> hypervisor in case Storage connection fails?
> How can we make this happen? Because for the moment, when we tested the
> situation they stayed in pause state.
> (Test situation:
>
> - Unplug the 2 fibre cables from the hypervisor
> - VM's go in pause state
> - VM's stayed in pause state until the failure was solved
>
> )
>
>
> They only returned when we restored the fiber connection to the
> Hypervisor...
>
> Kind Regards,
>
> Koen
>
>
> 2014-04-03 16:53 GMT+02:00 Koen Vanoppen <vanoppen.koen(a)gmail.com>:
>
> ---------- Forwarded message ----------
>> From: "Doron Fediuck" <dfediuck(a)redhat.com>
>> Date: Apr 3, 2014 4:51 PM
>> Subject: Re: [Users] HA
>> To: "Koen Vanoppen" <vanoppen.koen(a)gmail.com>
>> Cc: "Omer Frenkel" <ofrenkel(a)redhat.com>, <users(a)ovirt.org>, "Federico
>> Simoncelli" <fsimonce(a)redhat.com>, "Allon Mureinik" <amureini(a)redhat.com>
>>
>>
>>
>> ----- Original Message -----
>> > From: "Koen Vanoppen" <vanoppen.koen(a)gmail.com>
>> > To: "Omer Frenkel" <ofrenkel(a)redhat.com>, users(a)ovirt.org
>> > Sent: Wednesday, April 2, 2014 4:17:36 PM
>> > Subject: Re: [Users] HA
>> >
>> > Yes, indeed. I meant not-operational. Sorry.
>> > So, if I understand this correctly. When we ever come in a situation
>> that we
>> > loose both storage connections on our hypervisor, we will have to
>> manually
>> > restore the connections first?
>> >
>> > And thanx for the tip for speeding up thins :-).
>> >
>> > Kind regards,
>> >
>> > Koen
>> >
>> >
>> > 2014-04-02 15:14 GMT+02:00 Omer Frenkel < ofrenkel(a)redhat.com > :
>> >
>> >
>> >
>> >
>> >
>> > ----- Original Message -----
>> > > From: "Koen Vanoppen" < vanoppen.koen(a)gmail.com >
>> > > To: users(a)ovirt.org
>> > > Sent: Wednesday, April 2, 2014 4:07:19 PM
>> > > Subject: [Users] HA
>> > >
>> > > Dear All,
>> > >
>> > > Due our acceptance testing, we discovered something. (Document will
>> > > follow).
>> > > When we disable one fiber path, no problem multipath finds it way no
>> pings
>> > > are lost.
>> > > BUT when we disabled both the fiber paths (so one of the storage
>> domain is
>> > > gone on this host, but still available on the other host), vms go in
>> paused
>> > > mode... He chooses a new SPM (can we speed this up?), put's the host
>> in
>> > > non-responsive (can we speed this up, more important) and the VM's
>> stay on
>> > > Paused mode... I would expect that they would be migrated (yes, HA is
>> >
>> > i guess you mean the host moves to not-operational (in contrast to
>> > non-responsive)?
>> > if so, the engine will not migrate vms that are paused to do io error,
>> > because of data corruption risk.
>> >
>> > to speed up you can look at the storage domain monitoring timeout:
>> > engine-config --get StorageDomainFalureTimeoutInMinutes
>> >
>> >
>> > > enabled) to the other host and reboot there... Any solution? We are
>> still
>> > > using oVirt 3.3.1 , but we are planning a upgrade to 3.4 after the
>> easter
>> > > holiday.
>> > >
>> > > Kind Regards,
>> > >
>> > > Koen
>> > >
>>
>> Hi Koen,
>> Resuming from paused due to io issues is supported (adding relevant
>> folks).
>> Regardless, if you did not define power management, you should manually
>> approve
>> source host was rebooted in order for migration to proceed. Otherwise we
>> risk
>> split-brain scenario.
>>
>> Doron
>>
>
>
10 years, 8 months
