[ovirt-users] Re: Spice console very poor performance for Windows 10 vm

[Colin Coe]

Hi

We're struggling with this also.  We're running RHV 4.3 in our development
environment and have found that he latest client tools in conjunction
with v0.19
of the Windows 10 driver

has
made a big difference to performance.  Additionally, we have
/etc/ovirt-engine/osinfo.conf.d/20-overload.properties with:
os.windows_10.devices.display.vramMultiplier.value = 8
os.windows_10x64.devices.display.vramMultiplier.value = 8

This new driver isn't perfect though and we've found that various things
stop working after a couple of days. These include screen auto resizing and
also the mouse/keyboard gets captured when the screen auto resize stops
working.  Our clients are typically dual screen, each at 2560x1440.

We're going live with a new environment in about 4 months which will
include 140+ VDI Windows 10 VMs so we're very keen to get this sorted.

HTH

On Thu, Jul 4, 2019 at 1:07 PM Leo David  wrote:

> Hello everyone,
> I am comming back to this issue because of the need to spinup a couple of
> Win10 vdi vms, and I can see that the problem still persist - at least for
> me.
> I am using now a fresh installed and updated oVirt 4.2.8 and latest
> guest-tools iso. Still havig very laggy desktop experience on Win10.
> Win2012 seems fine, Win7 fine as well.
> Is there anyone of you guys having Win10 working at least decent for a vdi
> usage ? Any thoughts on this ?
> Thank you very much !
>
> Leo
>
>
> On Sat, Feb 16, 2019, 08:38 Leo David  wrote:
>
>> Thank you,
>>
>> Not sure i've understood the procedure to create a custom vdsm hook.
>> Is this a good example to follow ?
>> https://github.com/oVirt/vdsm/blob/master/vdsm_hooks/README
>>
>> Thanks,
>>
>> Leo
>>
>>
>> On Fri, Feb 15, 2019, 19:46 Michal Skrivanek > wrote:
>>
>>>
>>>
>>> On 15 Feb 2019, at 16:04, Leo David  wrote:
>>>
>>> Thank you Victor.
>>> Yes, I have the latest guest-tools installed, and the problem is that
>>> after configuring the vm by using virsh and reboot,  the configuration
>>> reverts to defaults:
>>> >> passwdValidTo='1970-01-01T00:00:01'>
>>>   
>>>   
>>>   
>>>   
>>>   
>>>   
>>>   
>>>   
>>>   
>>> 
>>> So my added changes are not loaded at vm boot.
>>>  I am sure this is an oVirt spicific behavior, but i just can;t find it
>>> out how to make this persistent.
>>>
>>>
>>> You can’t edit it in virsh in oVirt. Starting VM in oVirt is too complex
>>> for libvirt to handle it on its own. You need to write a vdsm hook if you
>>> want to modify resulting xml
>>>
>>> For trying out things I’d recommend to do that with a simple VM in
>>> virt-manager and once you find out the right config/parameters then write a
>>> hook with those for oVirt
>>>
>>> Thanks,
>>> michal
>>>
>>>
>>> On Fri, Feb 15, 2019 at 4:32 PM Victor Toso 
>>> wrote:
>>>
 Hi,

 On Fri, Feb 15, 2019 at 04:24:15PM +0200, Leo David wrote:
 > Hi Everyone,
 > Any thoughts on this ?
 > It seems that audio streaming is affected as well, and
 > bandwidth is not an issue in this case.

 What audio issues do you see?

 > 'm thinking that maybe if I just just disable compression on
 > spice,  things would get a bit better...maybe.
 > Thank you !
 >
 > On Wed, Feb 13, 2019 at 8:05 AM Leo David  wrote:
 >
 > > Thank you so much Victor !
 > > Anyone, any ideea how could I disable video compression for
 > > spice console on particular vms ?

 I'm not familiar with oVirt interface but it shouldn't be hard if
 you have access to the host.

 # virsh edit $vm-name

 switch what you have in graphics to:

 
 
 
 


 > > I am trying to implement an "almost" full desktop experience
 > > with an oVirt based vdi environment.
 > > And besides the Windows10 spice issues ( which are the main
 > > cause of this thread ), it seems that Windows 7 is affected
 > > too by the multimedia playing perspective. Which makes a
 > > total blocker on project implementation

 Do you have spice-guest-tools installed?

 > > Any suggestions/ similar experiences ?
 > > Thank you very much and have a nice day !
 > >
 > > Leo

 Cheers,
 Victor
 > >
 > > On Mon, Feb 11, 2019, 12:01 Victor Toso >>> wrote:
 > >
 > >> Hi,
 > >>
 > >> On Mon, Feb 11, 2019 at 11:50:49AM +0200, Leo David wrote:
 > >> > Hi,
 > >> > "This enable host-side streaming, are you sure you want it?"
 > >> > Not sure yet, but i would at least disable compression, video
 > >> > playing seems to be pretty poor, and crackling ( youtube, etc )
 > >>
 > >> For playing video use-cases (youtube) it might be okay but not
 > >> for playing games as it has some hard coded delay in the
 > >> streaming code path.
 > >>
 > >> The streaming is mjpeg 

[ovirt-users] Re: Spice console very poor performance for Windows 10 vm

[Leo David]

Hello everyone,
I am comming back to this issue because of the need to spinup a couple of
Win10 vdi vms, and I can see that the problem still persist - at least for
me.
I am using now a fresh installed and updated oVirt 4.2.8 and latest
guest-tools iso. Still havig very laggy desktop experience on Win10.
Win2012 seems fine, Win7 fine as well.
Is there anyone of you guys having Win10 working at least decent for a vdi
usage ? Any thoughts on this ?
Thank you very much !

Leo


On Sat, Feb 16, 2019, 08:38 Leo David  wrote:

> Thank you,
>
> Not sure i've understood the procedure to create a custom vdsm hook.
> Is this a good example to follow ?
> https://github.com/oVirt/vdsm/blob/master/vdsm_hooks/README
>
> Thanks,
>
> Leo
>
>
> On Fri, Feb 15, 2019, 19:46 Michal Skrivanek  wrote:
>
>>
>>
>> On 15 Feb 2019, at 16:04, Leo David  wrote:
>>
>> Thank you Victor.
>> Yes, I have the latest guest-tools installed, and the problem is that
>> after configuring the vm by using virsh and reboot,  the configuration
>> reverts to defaults:
>> > passwdValidTo='1970-01-01T00:00:01'>
>>   
>>   
>>   
>>   
>>   
>>   
>>   
>>   
>>   
>> 
>> So my added changes are not loaded at vm boot.
>>  I am sure this is an oVirt spicific behavior, but i just can;t find it
>> out how to make this persistent.
>>
>>
>> You can’t edit it in virsh in oVirt. Starting VM in oVirt is too complex
>> for libvirt to handle it on its own. You need to write a vdsm hook if you
>> want to modify resulting xml
>>
>> For trying out things I’d recommend to do that with a simple VM in
>> virt-manager and once you find out the right config/parameters then write a
>> hook with those for oVirt
>>
>> Thanks,
>> michal
>>
>>
>> On Fri, Feb 15, 2019 at 4:32 PM Victor Toso 
>> wrote:
>>
>>> Hi,
>>>
>>> On Fri, Feb 15, 2019 at 04:24:15PM +0200, Leo David wrote:
>>> > Hi Everyone,
>>> > Any thoughts on this ?
>>> > It seems that audio streaming is affected as well, and
>>> > bandwidth is not an issue in this case.
>>>
>>> What audio issues do you see?
>>>
>>> > 'm thinking that maybe if I just just disable compression on
>>> > spice,  things would get a bit better...maybe.
>>> > Thank you !
>>> >
>>> > On Wed, Feb 13, 2019 at 8:05 AM Leo David  wrote:
>>> >
>>> > > Thank you so much Victor !
>>> > > Anyone, any ideea how could I disable video compression for
>>> > > spice console on particular vms ?
>>>
>>> I'm not familiar with oVirt interface but it shouldn't be hard if
>>> you have access to the host.
>>>
>>> # virsh edit $vm-name
>>>
>>> switch what you have in graphics to:
>>>
>>> 
>>> 
>>> 
>>> 
>>>
>>>
>>> > > I am trying to implement an "almost" full desktop experience
>>> > > with an oVirt based vdi environment.
>>> > > And besides the Windows10 spice issues ( which are the main
>>> > > cause of this thread ), it seems that Windows 7 is affected
>>> > > too by the multimedia playing perspective. Which makes a
>>> > > total blocker on project implementation
>>>
>>> Do you have spice-guest-tools installed?
>>>
>>> > > Any suggestions/ similar experiences ?
>>> > > Thank you very much and have a nice day !
>>> > >
>>> > > Leo
>>>
>>> Cheers,
>>> Victor
>>> > >
>>> > > On Mon, Feb 11, 2019, 12:01 Victor Toso >> wrote:
>>> > >
>>> > >> Hi,
>>> > >>
>>> > >> On Mon, Feb 11, 2019 at 11:50:49AM +0200, Leo David wrote:
>>> > >> > Hi,
>>> > >> > "This enable host-side streaming, are you sure you want it?"
>>> > >> > Not sure yet, but i would at least disable compression, video
>>> > >> > playing seems to be pretty poor, and crackling ( youtube, etc )
>>> > >>
>>> > >> For playing video use-cases (youtube) it might be okay but not
>>> > >> for playing games as it has some hard coded delay in the
>>> > >> streaming code path.
>>> > >>
>>> > >> The streaming is mjpeg so you don't save much bandwidth either.
>>> > >>
>>> > >> > "AFAIK, if virsh edit exits without issue, you need to shutdown
>>> > >> > the vm and then start it again"
>>> > >> > I did that,  and when the vm comes back on,  my changes are not
>>> there
>>> > >> > anymore 
>>> > >>
>>> > >> Might be something specific to ovirt, not sure :(
>>> > >>
>>> > >> I hope someone else can help you.
>>> > >>
>>> > >> > On Mon, Feb 11, 2019 at 10:45 AM Victor Toso <
>>> victort...@redhat.com>
>>> > >> wrote:
>>> > >> >
>>> > >> > > Hi,
>>> > >> > >
>>> > >> > > On Sun, Feb 10, 2019 at 02:08:48PM +0200, Leo David wrote:
>>> > >> > > > Hi,
>>> > >> > > >
>>> > >> > > > I am trying to disable video compression as per this thread:
>>> > >> > > >
>>> https://lists.ovirt.org/pipermail/users/2017-January/078753.html
>>> > >> > > >
>>> > >> > > > The thing is that I just can't figure out where to place the
>>> > >> following:
>>> > >> > > >
>>> > >> > > > 
>>> > >> > > > 
>>> > >> > > > 
>>> > >> > > > 
>>> > >> > >
>>> > >> > > This enable host-side streaming, are you sure you want it?
>>> > >> > >
>>> > >> > > > 
>>> > >> 

[ovirt-users] Re: Anaconda crashing on start while trying to Install oVirt Node on bare metal

[Strahil Nikolov]

 Can you wipe the beggining of both SD cards via 'dd' ?I have seen similar 
issues on CentOS's anaconda with extraordinary disk setups.
Best Regards,Strahil Nikolov
В сряда, 3 юли 2019 г., 20:34:58 ч. Гринуич+3, rubentrind...@live.com 
 написа:  
 
 Hello there!

I'm trying to install an oVirt node(the most stable recent one) on a 
machine(just in case you didn't figure from the title :P) and anaconda just 
crashes \o/

I've tried to start anaconda in text mode, but the error is the exact same.

Here's a screenshot of the event(text mode, although it shouldn't matter):
https://i.imgur.com/ihO1xWP.jpg

The only "disk" attached to the machine has no partitions, it's absolutely 
clean. The machine in question is a PowerEdge M520, if that matters, and I'm 
trying to install on top of a pair of 32GB mirrored SD cards. 

I installed CentOS7 on a machine that's virtually the same(they're the exact 
same, but aren't the same machine) and didn't have any problem.

I just have no idea. Never encountered such problem. So any help would be very 
appreciated. Thanks ^^
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[ovirt-users] Anaconda crashing on start while trying to Install oVirt Node on bare metal

[rubentrindade]

Hello there!

I'm trying to install an oVirt node(the most stable recent one) on a 
machine(just in case you didn't figure from the title :P) and anaconda just 
crashes \o/

I've tried to start anaconda in text mode, but the error is the exact same.

Here's a screenshot of the event(text mode, although it shouldn't matter):
https://i.imgur.com/ihO1xWP.jpg

The only "disk" attached to the machine has no partitions, it's absolutely 
clean. The machine in question is a PowerEdge M520, if that matters, and I'm 
trying to install on top of a pair of 32GB mirrored SD cards. 

I installed CentOS7 on a machine that's virtually the same(they're the exact 
same, but aren't the same machine) and didn't have any problem.

I just have no idea. Never encountered such problem. So any help would be very 
appreciated. Thanks ^^
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[ovirt-users] VM snapshot - some info needed

[Strahil Nikolov]

Hello Community,
I have noticed that if I want a VM snapshot with memory - I get a warning "The 
VM will be paused while saving the memory" .Is there a way to make snapshot 
without pausing the VM for the whole duration ?

I have noticed that it doesn't matter if VM has qemu-guest-agent or 
ovirt-guest-agent.
Thanks in advance for sharing your thoughts.
Best Regards,Strahil  Nikolov___
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[ovirt-users] Re: Disk latency is very high, time taken to copy 1M file is > 10s

[Strahil]

Mount your disk (/mnt/) and try the following command(taken from the previous 
output):

dd if=/dev/zero of=/mnt/small.file bs=512 count=2050 oflag=direct

How much time does it take?

Best Regards,
Strahil NikolovOn Jul 3, 2019 13:27, PS Kazi  wrote:
>
> hi, 
> I am using  HDD : Toshiba 7200 RPM, Data transfer Rate 150MB/s, Interface 
> 6Gb/s. 
> But Hyper-converged configuration stopped with  error msg: Disk latency is 
> very high, time taken to copy 1M file is > 10s 
> Please help me to stop this error. 
> 
>  
> TASK [gluster.features/roles/gluster_hci : Check if time taken to copy 1M 
> file (512B chunks) is < 10s] *** 
> failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=11.9508) => 
> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
> "item", "changed": true, "cmd": "dd if=/dev/zero 
> of=/mnt/tmp/engine/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
> '/copied/{print $(NF-3)}'\n", "delta": "0:00:11.966178", "end": "2019-07-03 
> 15:28:00.162101", "failed": false, "invocation": {"module_args": 
> {"_raw_params": "dd if=/dev/zero of=/mnt/tmp/engine/small.file bs=512 
> count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
> "_uses_shell": true, "argv": null, "chdir": null, "creates": null, 
> "executable": null, "removes": null, "stdin": null, "stdin_add_newline": 
> true, "strip_empty_ends": true, "warn": true}}, "item": "/mnt/tmp/engine", 
> "rc": 0, "start": "2019-07-03 15:27:48.195923", "stderr": "", "stderr_lines": 
> [], "stdout": "11.9508", "stdout_lines": ["11.9508"]}, "msg": "Disk latency 
> is very high, time taken to copy 1M file is > 10s"} 
> failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=11.5604) => 
> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
> "item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/data/small.file 
> bs=512 count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
> "delta": "0:00:11.574648", "end": "2019-07-03 15:28:14.926805", "failed": 
> false, "invocation": {"module_args": {"_raw_params": "dd if=/dev/zero 
> of=/mnt/tmp/data/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
> '/copied/{print $(NF-3)}'\n", "_uses_shell": true, "argv": null, "chdir": 
> null, "creates": null, "executable": null, "removes": null, "stdin": null, 
> "stdin_add_newline": true, "strip_empty_ends": true, "warn": true}}, "item": 
> "/mnt/tmp/data", "rc": 0, "start": "2019-07-03 15:28:03.352157", "stderr": 
> "", "stderr_lines": [], "stdout": "11.5604", "stdout_lines": ["11.5604"]}, 
> "msg": "Disk latency is very high, time taken to copy 1M file is > 10s"} 
> failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=10.9126) => 
> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
> "item", "changed": true, "cmd": "dd if=/dev/zero 
> of=/mnt/tmp/vmstore/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
> '/copied/{print $(NF-3)}'\n", "delta": "0:00:10.927547", "end": "2019-07-03 
> 15:28:29.053149", "failed": false, "invocation": {"module_args": 
> {"_raw_params": "dd if=/dev/zero of=/mnt/tmp/vmstore/small.file bs=512 
> count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
> "_uses_shell": true, "argv": null, "chdir": null, "creates": null, 
> "executable": null, "removes": null, "stdin": null, "stdin_add_newline": 
> true, "strip_empty_ends": true, "warn": true}}, "item": "/mnt/tmp/vmstore", 
> "rc": 0, "start": "2019-07-03 15:28:18.125602", "stderr": "", "stderr_lines": 
> [], "stdout": "10.9126", "stdout_lines": ["10.9126"]}, "msg": "Disk latency 
> is very high, time taken to copy 1M file is > 10s"} 
> failed: [ov-node-3.hci.com -> ov-node-1.hci.com] (item=12.7177) => 
> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
> "item", "changed": true, "cmd": "dd if=/dev/zero 
> of=/mnt/tmp/engine/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
> '/copied/{print $(NF-3)}'\n", "delta": "0:00:12.805771", "end": "2019-07-03 
> 15:28:01.029631", "failed": false, "invocation": {"module_args": 
> {"_raw_params": "dd if=/dev/zero of=/mnt/tmp/engine/small.file bs=512 
> count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
> "_uses_shell": true, "argv": null, "chdir": null, "creates": null, 
> "executable": null, "removes": null, "stdin": null, "stdin_add_newline": 
> true, "strip_empty_ends": true, "warn": true}}, "item": "/mnt/tmp/engine", 
> "rc": 0, "start": "2019-07-03 15:27:48.223860", "stderr": "", "stderr_lines": 
> [], "stdout": "12.7177", "stdout_lines": ["12.7177"]}, "msg": "Disk latency 
> is very high, time taken to copy 1M file is > 10s"} 
> failed: [ov-node-3.hci.com -> ov-node-1.hci.com] (item=11.8554) => 
> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
> "item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/data/small.file 
> bs=512 

[ovirt-users] Re: Issue adding Network to host with Python SDK

[Don Dupuis]

Joey
The setup_networks/modified_network_attachments methods took care of my
issue.

Thanks
Don

On Wed, Jul 3, 2019 at 8:15 AM Don Dupuis  wrote:

> Thanks, I will check it out.
>
> On Wed, Jul 3, 2019 at 12:06 AM Joey Ma  wrote:
>
>> Hi Don,
>>
>> One feasible way to manipulate host networks/nics is using
>> `host_service.setup_networks()` function. You could refer to [1] and [2]
>> for the official directive details. Hopefully it will be useful.
>>
>> Regards,
>> Joey
>>
>> [1]:
>> https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/add_bond.py
>> [2]:
>> http://ovirt.github.io/ovirt-engine-api-model/4.4/#services/host/methods/setup_networks
>>
>> On Wed, Jul 3, 2019 at 2:42 AM Don Dupuis  wrote:
>>
>>> I am having issue with adding network to host nic with python SDK. It
>>> works just fine using the portal GUI. I have the following:
>>>
>>> bond0 that is setup as mode 4
>>> bond0.120 that is attached to ovirtmgmt network
>>> bond0.96 that I am trying to attach a new installed network called
>>> External.
>>>
>>> Below is a code snippet of what I am trying to do:
>>>
>>> hosts_service = connection.system_service().hosts_service()
>>> host = hosts_service.list(search='name=%s' % HOSTNAME)[0]
>>> host_service = hosts_service.host_service(host.id)
>>> hostnics_service = hosts_service.host_service(host.id
>>> ).nics_service()
>>> n = None
>>> for n in hostnics_service.list():
>>> if n.name == 'bond0.96':
>>> n_id = n.id
>>> print("n is %s" % n_id)
>>> system_service = connection.system_service()
>>> networks_service = connection.system_service().networks_service()
>>> network = networks_service.list(
>>> search='name=External and datacenter=%s-local' % HOSTNAME) [0]
>>> print ("Network name is %s" % network.name)
>>> print ("Network id is %s" % network.id)
>>> net_attachments_service = host_service.network_attachments_service()
>>> net_attachment = net_attachments_service.add(
>>>types.NetworkAttachment(
>>>network=types.Network(id=network.id),
>>>host_nic=types.HostNic(name='bond0.96')
>>>),
>>>),
>>>
>>> I will end up with an error of
>>>
>>> File "./add_host_py", line 193, in Add_External_network
>>> host_nic=types.HostNic(name='bond0.96')
>>>   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py", line
>>> 15441, in add
>>> self._check_fault(response)
>>>   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line
>>> 98, in _check_fault
>>> Service._raise_error(response, fault)
>>>   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line
>>> 71, in _raise_error
>>> raise Error(msg)
>>> ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is
>>> "[Cannot setup Networks. The attachment of network 'External' references
>>> vlan device 'bond0.96'. Network attachment cannot reference vlan device.]".
>>> HTTP response code is 400.
>>>
>>> Can someone guide me on what I am doing wrong or not understanding with
>>> the NetworkAttachment Service?
>>>
>>> Thanks
>>> Don
>>> ___
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>>>
>>
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[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[Strahil]

Have you checked if the permissions are  36:36  on the NFS side ?
Beet Regards,
Strahil NikolovOn Jul 3, 2019 12:04, csi-la...@cisco.com wrote:
>
> Hi, 
> While Trying to Deploy Hosted Engine, I'm stuck on Stage 4. Here is the error 
> : 
>
> [ INFO ] TASK [ovirt.hosted_engine_setup : Fetch Datacenter name] 
> [ INFO ] ok: [localhost] 
> [ INFO ] TASK [ovirt.hosted_engine_setup : Add NFS storage domain] 
> [ ERROR ] Verify permission settings on the specified storage path.]". HTTP 
> response code is 400. 
> [ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault 
> reason is \"Operation Failed\". Fault detail is \"[Permission settings on the 
> specified path do not allow access to the storage.\nVerify permission 
> settings on the specified storage path.]\". HTTP response code is 400."} 
>
> But, it's very strange, because, when I'm trying to mount this NFS share 
> manually, It's working 
> So what am I doing wrong here ? 
>
> Here is the "Storage Connection" - 8.45.119.16:/ovirt_engine 
> Mount option is blanked 
> NFS Version is "v3" 
>
> Thanks in advance !
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[ovirt-users] Re: Using a synology as an nfs storage

[Dmitry Filonov]

Wow. Good to know.
It is actually a really bad and misleading error message. Why don't you
open a ticket for it? It should be really easy to fix but might save some
people a lot of time trying to figure it out.

Fil


On Wed, Jul 3, 2019, 3:19 AM Andy Michielsen 
wrote:

> Hello,
>
> I got it working after changing the permissions from the shared folder
> from 777 to 755 ? Wasn't expecting that.
>
> So to get a DS1219+ providing a NFS share for my oVirt environment and
> this is how I did it.
>
> First create the volume and the NFS share in the synology. Create a user
> vdsm and a group kvm. And then the magic happens on the commandprompt from
> the synology.
>
> SSH into the synology and change the uid and gid to 36 in the /etc/passwd
> file for the user vdsm. Also change the gid in the /etc/group file to 36
> for the group kvm. Then change the permissions for the created share, in my
> case volume1, to 755 instead off the 777+ synology gives.
>
> Restart the nfs server in the ssh session with synoservice --restart nfsd.
>
> And thank you all very much for the assistance. It put me on the right
> track.
>
> Kind regards.
>
> Op wo 3 jul. 2019 om 05:44 schreef Oliver Riesener <
> oliver.riese...@hs-bremen.de>:
>
>> Hi,
>>
>> everything look good.
>>
>> I would prefer to hostnames (not asterisk) in /etc/exports
>>
>> [root@ovirtnode005 ~]# showmount -e ovirtstorcl001.get.be
>> Export list for ovirtstorcl001.get.be:
>> /volume1/GETQUADATA001 *
>>
>>
>> my /etc/exports would look like this:
>>
>> /volume1/GETQUADATA001 ovirtnode001.get.be 
>> (rw,async,no_root_squash,no_subtree_check) ovirtnode002.get.be
>> (rw,async,no_root_squash,no_subtree_check) ovirtnode003.get.be
>> (rw,async,no_root_squash,no_subtree_check) ovirtnode004.get.de
>> (rw,async,no_root_squash,no_subtree_check)
>> ovirtnode005.get.be(rw,async,no_root_squash,no_subtree_check)
>>
>> Don’t forget to reexport:
>>
>> # exportfs -ra
>>
>> Am 02.07.2019 um 16:43 schrieb Joseph Jackson :
>>
>> If I mount the nfs share
>>
>> [root@ovirtnode005 ~]# mkdir /mnt/nfs
>>
>> [root@ovirtnode005 ~]# mount -t nfs 
>> ovirtstorcl001.get.be:/volume1/GETQUADATA001
>> /mnt/nfs
>>
>> [root@ovirtnode005 ~]# ls -l /mnt/nfs
>> total 0
>> drwxrwxrwx 1 vdsm kvm 22 Jun 27 15:26 #recycle
>>
>>
>> The jumping point here is, could you create directories with (SPM Host)
>> on that location with vdsm user?
>>
>> [root@ovirtnode005 ~]# sudo -u vdsm mkdir /mnt/nfs/xx
>> [root@ovn-elem tmp]# ls -lad /mnt/nfs/xx
>> drwxr-xr-x. 2 vdsm kvm 6  3. Jul 05:19 /mnt/nfs/xx
>>
>>
>> [root@ovirtnode005 ~]# umount /mnt/nfs
>> [root@ovirtnode005 ~]# ls -l /mnt/nfs
>> total 0
>> [root@ovirtnode005 ~]#
>>
>>
>> Best Regards, Oliver
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[ovirt-users] [ANN] oVirt 4.3.5 Fourth Release Candidate is now available for testing

[Sandro Bonazzola]

The oVirt Project is pleased to announce the availability of the oVirt
4.3.5 Fourth Release Candidate for testing, as of July 3rd, 2019.

While testing this release candidate please consider deeper testing on
gluster upgrade since with this release we are switching from Gluster 5 to
Gluster 6.

This update is a release candidate of the fifth in a series of
stabilization updates to the 4.3 series.
This is pre-release software. This pre-release should not to be used in
production.

This release is available now on x86_64 architecture for:
* Red Hat Enterprise Linux 7.6 or later
* CentOS Linux (or similar) 7.6 or later

This release supports Hypervisor Hosts on x86_64 and ppc64le architectures
for:
* Red Hat Enterprise Linux 7.6 or later
* CentOS Linux (or similar) 7.6 or later
* oVirt Node 4.3 (available for x86_64 only)

See the release notes [1] for installation / upgrade instructions and a
list of new features and bugs fixed.

Notes:
- oVirt Appliance is laready available
- oVirt Node is already available[2]

Additional Resources:
* Read more about the oVirt 4.3.5 release highlights:
http://www.ovirt.org/release/4.3.5/
* 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] http://www.ovirt.org/release/4.3.5/
[2] http://resources.ovirt.org/pub/ovirt-4.3-pre/iso/

-- 

Sandro Bonazzola

MANAGER, SOFTWARE ENGINEERING, EMEA R RHV

Red Hat EMEA 

sbona...@redhat.com

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[ovirt-users] Re: Disk latency is very high, time taken to copy 1M file is > 10s

[Sachidananda URS]

Hi,



On Wed, Jul 3, 2019 at 6:22 PM Sachidananda URS  wrote:

> Hi,
>
>
> On Wed, Jul 3, 2019 at 3:59 PM PS Kazi  wrote:
>
>> hi,
>> I am using  HDD : Toshiba 7200 RPM, Data transfer Rate 150MB/s, Interface
>> 6Gb/s.
>> But Hyper-converged configuration stopped with  error msg: Disk latency
>> is very high, time taken to copy 1M file is > 10s
>> Please help me to stop this error.
>>
>> 
>> TASK [gluster.features/roles/gluster_hci : Check if time taken to copy 1M
>> file (512B chunks) is < 10s] ***
>> failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=11.9508) =>
>> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var":
>> "item", "changed": true, "cmd": "dd if=/dev/zero
>> of=/mnt/tmp/engine/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk
>> '/copied/{print $(NF-3)}'\n", "delta": "0:00:11.966178", "end": "2019-07-03
>> 15:28:00.162101", "failed": false, "invocation": {"module_args":
>> {"_raw_params": "dd if=/dev/zero of=/mnt/tmp/engine/small.file bs=512
>> count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n",
>> "_uses_shell": true, "argv": null, "chdir": null, "creates": null,
>> "executable": null, "removes": null, "stdin": null, "stdin_add_newline":
>> true, "strip_empty_ends": true, "warn": true}}, "item": "/mnt/tmp/engine",
>> "rc": 0, "start": "2019-07-03 15:27:48.195923", "stderr": "",
>> "stderr_lines": [], "stdout": "11.9508", "stdout_lines": ["11.9508"]},
>> "msg": "Disk latency is very high, time taken to copy 1M file is > 10s"}
>>
>
> Firstly solution. Please skip this test with --skip-tags latencycheck
> For example:
> ansible-playbook -i   --skip-tags latencycheck
>
> This check was added to ensure that disklatency would be tested.
>
> I have removed this check in this PR:
> https://github.com/gluster/gluster-ansible-features/pull/33/commits/3e52de0c2c548a7890302a9838e224cef6699586
> Will make it available once it is reviewed and merged.
>

I have done a new build. Please update the gluster-ansible-features rpm
from:
https://copr.fedorainfracloud.org/coprs/sac/gluster-ansible/build/956485/
and please try?

-sac
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[ovirt-users] Re: Issue adding Network to host with Python SDK

[Don Dupuis]

Thanks, I will check it out.

On Wed, Jul 3, 2019 at 12:06 AM Joey Ma  wrote:

> Hi Don,
>
> One feasible way to manipulate host networks/nics is using
> `host_service.setup_networks()` function. You could refer to [1] and [2]
> for the official directive details. Hopefully it will be useful.
>
> Regards,
> Joey
>
> [1]:
> https://github.com/oVirt/ovirt-engine-sdk/blob/master/sdk/examples/add_bond.py
> [2]:
> http://ovirt.github.io/ovirt-engine-api-model/4.4/#services/host/methods/setup_networks
>
> On Wed, Jul 3, 2019 at 2:42 AM Don Dupuis  wrote:
>
>> I am having issue with adding network to host nic with python SDK. It
>> works just fine using the portal GUI. I have the following:
>>
>> bond0 that is setup as mode 4
>> bond0.120 that is attached to ovirtmgmt network
>> bond0.96 that I am trying to attach a new installed network called
>> External.
>>
>> Below is a code snippet of what I am trying to do:
>>
>> hosts_service = connection.system_service().hosts_service()
>> host = hosts_service.list(search='name=%s' % HOSTNAME)[0]
>> host_service = hosts_service.host_service(host.id)
>> hostnics_service = hosts_service.host_service(host.id).nics_service()
>> n = None
>> for n in hostnics_service.list():
>> if n.name == 'bond0.96':
>> n_id = n.id
>> print("n is %s" % n_id)
>> system_service = connection.system_service()
>> networks_service = connection.system_service().networks_service()
>> network = networks_service.list(
>> search='name=External and datacenter=%s-local' % HOSTNAME) [0]
>> print ("Network name is %s" % network.name)
>> print ("Network id is %s" % network.id)
>> net_attachments_service = host_service.network_attachments_service()
>> net_attachment = net_attachments_service.add(
>>types.NetworkAttachment(
>>network=types.Network(id=network.id),
>>host_nic=types.HostNic(name='bond0.96')
>>),
>>),
>>
>> I will end up with an error of
>>
>> File "./add_host_py", line 193, in Add_External_network
>> host_nic=types.HostNic(name='bond0.96')
>>   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py", line
>> 15441, in add
>> self._check_fault(response)
>>   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line
>> 98, in _check_fault
>> Service._raise_error(response, fault)
>>   File "/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py", line
>> 71, in _raise_error
>> raise Error(msg)
>> ovirtsdk4.Error: Fault reason is "Operation Failed". Fault detail is
>> "[Cannot setup Networks. The attachment of network 'External' references
>> vlan device 'bond0.96'. Network attachment cannot reference vlan device.]".
>> HTTP response code is 400.
>>
>> Can someone guide me on what I am doing wrong or not understanding with
>> the NetworkAttachment Service?
>>
>> Thanks
>> Don
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>
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[ovirt-users] Re: [ovirt-devel] USB on host support?

[Michal Skrivanek]

> On 1 Jul 2019, at 23:04, Juan Pablo Lorier  wrote:
> 
> I'm having a similar problem. The passtrough needs 2 steps, the first is to 
> attach the host device to the VM, but if you don't enable the spice usb the 
> vm fails to start.
> 

if you don’t say why it doesn’t start it’s really not possible to help much. 
Add versions you use and logs please

> I don't know if the USB works straight from the host device or if it depends 
> on the spice console.
> 
> In my case, a device that work in a windows 10 pc doesn't work in a windows 
> 10 vm.
> 
> 

is it usb3 by any chance? 
> Maybe we both can get help in this matter.
> 
> Regards
> 
> El 1/7/19 a las 13:02, users-requ...@ovirt.org 
>  escribió:
>> Send Users mailing list submissions to
>>  users@ovirt.org 
>> 
>> To subscribe or unsubscribe via email, send a message with subject or
>> body 'help' to
>>  users-requ...@ovirt.org 
>> 
>> You can reach the person managing the list at
>>  users-ow...@ovirt.org 
>> 
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of Users digest..."
>> 
>> 
>> Today's Topics:
>> 
>>1.  Re: Failed on HE-Storage migration (Strahil Nikolov)
>>2.  Adding a custom fence agent on 4.3.4 (Matteo)
>>3.  USB host support? (Hetz Ben Hamo)
>>4.  Re: [ovirt-devel] USB on host support? (Hetz Ben Hamo)
>>5.  Re: Ovirt Hyperconverged Cluster (Stefanile Raffaele)
>> 
>> 
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[ovirt-users] Re: Disk latency is very high, time taken to copy 1M file is > 10s

[Sachidananda URS]

Hi,


On Wed, Jul 3, 2019 at 3:59 PM PS Kazi  wrote:

> hi,
> I am using  HDD : Toshiba 7200 RPM, Data transfer Rate 150MB/s, Interface
> 6Gb/s.
> But Hyper-converged configuration stopped with  error msg: Disk latency is
> very high, time taken to copy 1M file is > 10s
> Please help me to stop this error.
>
> 
> TASK [gluster.features/roles/gluster_hci : Check if time taken to copy 1M
> file (512B chunks) is < 10s] ***
> failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=11.9508) =>
> {"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var":
> "item", "changed": true, "cmd": "dd if=/dev/zero
> of=/mnt/tmp/engine/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk
> '/copied/{print $(NF-3)}'\n", "delta": "0:00:11.966178", "end": "2019-07-03
> 15:28:00.162101", "failed": false, "invocation": {"module_args":
> {"_raw_params": "dd if=/dev/zero of=/mnt/tmp/engine/small.file bs=512
> count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n",
> "_uses_shell": true, "argv": null, "chdir": null, "creates": null,
> "executable": null, "removes": null, "stdin": null, "stdin_add_newline":
> true, "strip_empty_ends": true, "warn": true}}, "item": "/mnt/tmp/engine",
> "rc": 0, "start": "2019-07-03 15:27:48.195923", "stderr": "",
> "stderr_lines": [], "stdout": "11.9508", "stdout_lines": ["11.9508"]},
> "msg": "Disk latency is very high, time taken to copy 1M file is > 10s"}
>

Firstly solution. Please skip this test with --skip-tags latencycheck
For example:
ansible-playbook -i   --skip-tags latencycheck

This check was added to ensure that disklatency would be tested.

I have removed this check in this PR:
https://github.com/gluster/gluster-ansible-features/pull/33/commits/3e52de0c2c548a7890302a9838e224cef6699586
Will make it available once it is reviewed and merged.

-sac
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[ovirt-users] Re: console issue after installing 3rd party certificate

[Michal Skrivanek]

> On 2 Jul 2019, at 16:16, ada per  wrote:
> 
> Hello Everyone, 
> 
> I followed the instructions on installing a 3rd party certificate on hosted 
> engine. 
> The certificate is installed properly and in all  the correct paths, 
> everything seems to be working fine but i cannot access teh spice console

how exactly do you access the spice console?

> , it comes up with error cannot connect to graphic server and libvirt 
> uri:none.
> 
> 
> any advice will be greatly appreciated 
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[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[csi-laser]

Hi Ralf,
here is the results :

[root@ntn01-luli-01 nfs_ovirt_engine]# sudo -u qemu mkdir test02
mkdir: cannot create directory ‘test02’: Permission denied

So I now changed : user="vdsm"
Will check now if it'll work and let you guys know

Thanks for this info
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[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[Ralf Schenk]

Hello,

thats not sufficient. Since later libvirt tries to start up
hosted-engine via qemu and that might fail because this is run as user
qemu wich also needs to read and write the files on the hosted_storage.

I always change /etc/libvirt/qemu.conf  to user="vdsm" since I can't get
any group mapping via group vdsm to succeed on my storage.

So you should also try to

sudo -u qemu mkdir test


Am 03.07.2019 um 12:48 schrieb csi-la...@cisco.com:
> Yes, as I wrote at the start, I'm able to mount NFS manually.
> Here is the results of the command you gave. [i did "cd" to the nfs share of 
> course] :
>
> [root@luli-ovirt-01 nfs_ovirt_engine]# sudo -u vdsm mkdir test
> [root@luli-ovirt-01 nfs_ovirt_engine]# ls
> test
> [root@luli-ovirt-01 nfs_ovirt_engine]#
>
> it's working manually 
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[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[csi-laser]

Yes, as I wrote at the start, I'm able to mount NFS manually.
Here is the results of the command you gave. [i did "cd" to the nfs share of 
course] :

[root@luli-ovirt-01 nfs_ovirt_engine]# sudo -u vdsm mkdir test
[root@luli-ovirt-01 nfs_ovirt_engine]# ls
test
[root@luli-ovirt-01 nfs_ovirt_engine]#

it's working manually 
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[ovirt-users] Disk latency is very high, time taken to copy 1M file is > 10s

[PS Kazi]

hi,
I am using  HDD : Toshiba 7200 RPM, Data transfer Rate 150MB/s, Interface 6Gb/s.
But Hyper-converged configuration stopped with  error msg: Disk latency is very 
high, time taken to copy 1M file is > 10s
Please help me to stop this error.

TASK [gluster.features/roles/gluster_hci : Check if time taken to copy 1M file 
(512B chunks) is < 10s] ***
failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=11.9508) => 
{"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
"item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/engine/small.file 
bs=512 count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
"delta": "0:00:11.966178", "end": "2019-07-03 15:28:00.162101", "failed": 
false, "invocation": {"module_args": {"_raw_params": "dd if=/dev/zero 
of=/mnt/tmp/engine/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
'/copied/{print $(NF-3)}'\n", "_uses_shell": true, "argv": null, "chdir": null, 
"creates": null, "executable": null, "removes": null, "stdin": null, 
"stdin_add_newline": true, "strip_empty_ends": true, "warn": true}}, "item": 
"/mnt/tmp/engine", "rc": 0, "start": "2019-07-03 15:27:48.195923", "stderr": 
"", "stderr_lines": [], "stdout": "11.9508", "stdout_lines": ["11.9508"]}, 
"msg": "Disk latency is very high, time taken to copy 1M file is > 10s"}
failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=11.5604) => 
{"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
"item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/data/small.file 
bs=512 count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
"delta": "0:00:11.574648", "end": "2019-07-03 15:28:14.926805", "failed": 
false, "invocation": {"module_args": {"_raw_params": "dd if=/dev/zero 
of=/mnt/tmp/data/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
'/copied/{print $(NF-3)}'\n", "_uses_shell": true, "argv": null, "chdir": null, 
"creates": null, "executable": null, "removes": null, "stdin": null, 
"stdin_add_newline": true, "strip_empty_ends": true, "warn": true}}, "item": 
"/mnt/tmp/data", "rc": 0, "start": "2019-07-03 15:28:03.352157", "stderr": "", 
"stderr_lines": [], "stdout": "11.5604", "stdout_lines": ["11.5604"]}, "msg": 
"Disk latency is very high, time taken to copy 1M file is > 10s"}
failed: [ov-node-1.hci.com -> ov-node-1.hci.com] (item=10.9126) => 
{"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
"item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/vmstore/small.file 
bs=512 count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
"delta": "0:00:10.927547", "end": "2019-07-03 15:28:29.053149", "failed": 
false, "invocation": {"module_args": {"_raw_params": "dd if=/dev/zero 
of=/mnt/tmp/vmstore/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
'/copied/{print $(NF-3)}'\n", "_uses_shell": true, "argv": null, "chdir": null, 
"creates": null, "executable": null, "removes": null, "stdin": null, 
"stdin_add_newline": true, "strip_empty_ends": true, "warn": true}}, "item": 
"/mnt/tmp/vmstore", "rc": 0, "start": "2019-07-03 15:28:18.125602", "stderr": 
"", "stderr_lines": [], "stdout": "10.9126", "stdout_lines": ["10.9126"]}, 
"msg": "Disk latency is very high, time taken to copy 1M file is > 10s"}
failed: [ov-node-3.hci.com -> ov-node-1.hci.com] (item=12.7177) => 
{"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
"item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/engine/small.file 
bs=512 count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
"delta": "0:00:12.805771", "end": "2019-07-03 15:28:01.029631", "failed": 
false, "invocation": {"module_args": {"_raw_params": "dd if=/dev/zero 
of=/mnt/tmp/engine/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
'/copied/{print $(NF-3)}'\n", "_uses_shell": true, "argv": null, "chdir": null, 
"creates": null, "executable": null, "removes": null, "stdin": null, 
"stdin_add_newline": true, "strip_empty_ends": true, "warn": true}}, "item": 
"/mnt/tmp/engine", "rc": 0, "start": "2019-07-03 15:27:48.223860", "stderr": 
"", "stderr_lines": [], "stdout": "12.7177", "stdout_lines": ["12.7177"]}, 
"msg": "Disk latency is very high, time taken to copy 1M file is > 10s"}
failed: [ov-node-3.hci.com -> ov-node-1.hci.com] (item=11.8554) => 
{"ansible_loop_var": "item", "changed": false, "item": {"ansible_loop_var": 
"item", "changed": true, "cmd": "dd if=/dev/zero of=/mnt/tmp/data/small.file 
bs=512 count=2050 oflag=direct 2>&1 |\n   awk '/copied/{print $(NF-3)}'\n", 
"delta": "0:00:11.883952", "end": "2019-07-03 15:28:15.810562", "failed": 
false, "invocation": {"module_args": {"_raw_params": "dd if=/dev/zero 
of=/mnt/tmp/data/small.file bs=512 count=2050 oflag=direct 2>&1 |\n   awk 
'/copied/{print $(NF-3)}'\n", "_uses_shell": true, "argv": null, "chdir": null, 
"creates": null, "executable": 

[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[Simone Tiraboschi]

On Wed, Jul 3, 2019 at 11:52 AM  wrote:

> Hi, thanks for that
>
> All looks fine.
>
> What else can be an issue here ? Do I have another way for installing the
> Mgmt Engine ? [or other solution for my NFS issue during H"E Deployment]
>

Can you please try to directly mount that NFS share on your host and ensure
that you can write there as VDSM user?
You can try something like:
  sudo -u vdsm mkdir test
but after that please clean up the directory.


>
> Thanks Team
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[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[csi-laser]

Hi, thanks for that

All looks fine.

What else can be an issue here ? Do I have another way for installing the Mgmt 
Engine ? [or other solution for my NFS issue during H"E Deployment]

Thanks Team
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[ovirt-users] Re: Hosted Engine Deploy - Error at the end... [NFS ?]

[Simone Tiraboschi]

On Wed, Jul 3, 2019 at 11:06 AM  wrote:

> Hi,
> While Trying to Deploy Hosted Engine, I'm stuck on Stage 4. Here is the
> error :
>
> [ INFO ] TASK [ovirt.hosted_engine_setup : Fetch Datacenter name]
> [ INFO ] ok: [localhost]
> [ INFO ] TASK [ovirt.hosted_engine_setup : Add NFS storage domain]
> [ ERROR ] Verify permission settings on the specified storage path.]".
> HTTP response code is 400.
> [ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault
> reason is \"Operation Failed\". Fault detail is \"[Permission settings on
> the specified path do not allow access to the storage.\nVerify permission
> settings on the specified storage path.]\". HTTP response code is 400."}
>
> But, it's very strange, because, when I'm trying to mount this NFS share
> manually, It's working
> So what am I doing wrong here ?
>

Please check this:
https://www.ovirt.org/develop/troubleshooting-nfs-storage-issues.html


>
> Here is the "Storage Connection" - 8.45.119.16:/ovirt_engine
> Mount option is blanked
> NFS Version is "v3"
>
> Thanks in advance !
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[ovirt-users] Hosted Engine Deploy - Error at the end... [NFS ?]

[csi-laser]

Hi,
While Trying to Deploy Hosted Engine, I'm stuck on Stage 4. Here is the error :

[ INFO ] TASK [ovirt.hosted_engine_setup : Fetch Datacenter name]
[ INFO ] ok: [localhost]
[ INFO ] TASK [ovirt.hosted_engine_setup : Add NFS storage domain]
[ ERROR ] Verify permission settings on the specified storage path.]". HTTP 
response code is 400.
[ ERROR ] fatal: [localhost]: FAILED! => {"changed": false, "msg": "Fault 
reason is \"Operation Failed\". Fault detail is \"[Permission settings on the 
specified path do not allow access to the storage.\nVerify permission settings 
on the specified storage path.]\". HTTP response code is 400."}

But, it's very strange, because, when I'm trying to mount this NFS share 
manually, It's working
So what am I doing wrong here ?

Here is the "Storage Connection" - 8.45.119.16:/ovirt_engine
Mount option is blanked
NFS Version is "v3"

Thanks in advance !
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[ovirt-users] Re: Using a synology as an nfs storage

[Maton, Brett]

 I ssh'd to my Synology NAS and created the user and group vdsm/kvm with id
36 and chown'd the share.
  The permissions on shared folders for oVirt are 0750, no where near as
open as 0777...

Not had any problems with it over the years, just need to change the
ownership of the new shares before using them.

On Wed, 3 Jul 2019 at 08:20, Andy Michielsen 
wrote:

> Hello,
>
> I got it working after changing the permissions from the shared folder
> from 777 to 755 ? Wasn't expecting that.
>
> So to get a DS1219+ providing a NFS share for my oVirt environment and
> this is how I did it.
>
> First create the volume and the NFS share in the synology. Create a user
> vdsm and a group kvm. And then the magic happens on the commandprompt from
> the synology.
>
> SSH into the synology and change the uid and gid to 36 in the /etc/passwd
> file for the user vdsm. Also change the gid in the /etc/group file to 36
> for the group kvm. Then change the permissions for the created share, in my
> case volume1, to 755 instead off the 777+ synology gives.
>
> Restart the nfs server in the ssh session with synoservice --restart nfsd.
>
> And thank you all very much for the assistance. It put me on the right
> track.
>
> Kind regards.
>
> Op wo 3 jul. 2019 om 05:44 schreef Oliver Riesener <
> oliver.riese...@hs-bremen.de>:
>
>> Hi,
>>
>> everything look good.
>>
>> I would prefer to hostnames (not asterisk) in /etc/exports
>>
>> [root@ovirtnode005 ~]# showmount -e ovirtstorcl001.get.be
>> Export list for ovirtstorcl001.get.be:
>> /volume1/GETQUADATA001 *
>>
>>
>> my /etc/exports would look like this:
>>
>> /volume1/GETQUADATA001 ovirtnode001.get.be 
>> (rw,async,no_root_squash,no_subtree_check) ovirtnode002.get.be
>> (rw,async,no_root_squash,no_subtree_check) ovirtnode003.get.be
>> (rw,async,no_root_squash,no_subtree_check) ovirtnode004.get.de
>> (rw,async,no_root_squash,no_subtree_check)
>> ovirtnode005.get.be(rw,async,no_root_squash,no_subtree_check)
>>
>> Don’t forget to reexport:
>>
>> # exportfs -ra
>>
>> Am 02.07.2019 um 16:43 schrieb Joseph Jackson :
>>
>> If I mount the nfs share
>>
>> [root@ovirtnode005 ~]# mkdir /mnt/nfs
>>
>> [root@ovirtnode005 ~]# mount -t nfs 
>> ovirtstorcl001.get.be:/volume1/GETQUADATA001
>> /mnt/nfs
>>
>> [root@ovirtnode005 ~]# ls -l /mnt/nfs
>> total 0
>> drwxrwxrwx 1 vdsm kvm 22 Jun 27 15:26 #recycle
>>
>>
>> The jumping point here is, could you create directories with (SPM Host)
>> on that location with vdsm user?
>>
>> [root@ovirtnode005 ~]# sudo -u vdsm mkdir /mnt/nfs/xx
>> [root@ovn-elem tmp]# ls -lad /mnt/nfs/xx
>> drwxr-xr-x. 2 vdsm kvm 6  3. Jul 05:19 /mnt/nfs/xx
>>
>>
>> [root@ovirtnode005 ~]# umount /mnt/nfs
>> [root@ovirtnode005 ~]# ls -l /mnt/nfs
>> total 0
>> [root@ovirtnode005 ~]#
>>
>>
>> Best Regards, Oliver
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[ovirt-users] Re: Using a synology as an nfs storage

[Andy Michielsen]

Hello,

I got it working after changing the permissions from the shared folder from
777 to 755 ? Wasn't expecting that.

So to get a DS1219+ providing a NFS share for my oVirt environment and this
is how I did it.

First create the volume and the NFS share in the synology. Create a user
vdsm and a group kvm. And then the magic happens on the commandprompt from
the synology.

SSH into the synology and change the uid and gid to 36 in the /etc/passwd
file for the user vdsm. Also change the gid in the /etc/group file to 36
for the group kvm. Then change the permissions for the created share, in my
case volume1, to 755 instead off the 777+ synology gives.

Restart the nfs server in the ssh session with synoservice --restart nfsd.

And thank you all very much for the assistance. It put me on the right
track.

Kind regards.

Op wo 3 jul. 2019 om 05:44 schreef Oliver Riesener <
oliver.riese...@hs-bremen.de>:

> Hi,
>
> everything look good.
>
> I would prefer to hostnames (not asterisk) in /etc/exports
>
> [root@ovirtnode005 ~]# showmount -e ovirtstorcl001.get.be
> Export list for ovirtstorcl001.get.be:
> /volume1/GETQUADATA001 *
>
>
> my /etc/exports would look like this:
>
> /volume1/GETQUADATA001 ovirtnode001.get.be 
> (rw,async,no_root_squash,no_subtree_check) ovirtnode002.get.be
> (rw,async,no_root_squash,no_subtree_check) ovirtnode003.get.be
> (rw,async,no_root_squash,no_subtree_check) ovirtnode004.get.de
> (rw,async,no_root_squash,no_subtree_check)
> ovirtnode005.get.be(rw,async,no_root_squash,no_subtree_check)
>
> Don’t forget to reexport:
>
> # exportfs -ra
>
> Am 02.07.2019 um 16:43 schrieb Joseph Jackson :
>
> If I mount the nfs share
>
> [root@ovirtnode005 ~]# mkdir /mnt/nfs
>
> [root@ovirtnode005 ~]# mount -t nfs 
> ovirtstorcl001.get.be:/volume1/GETQUADATA001
> /mnt/nfs
>
> [root@ovirtnode005 ~]# ls -l /mnt/nfs
> total 0
> drwxrwxrwx 1 vdsm kvm 22 Jun 27 15:26 #recycle
>
>
> The jumping point here is, could you create directories with (SPM Host) on
> that location with vdsm user?
>
> [root@ovirtnode005 ~]# sudo -u vdsm mkdir /mnt/nfs/xx
> [root@ovn-elem tmp]# ls -lad /mnt/nfs/xx
> drwxr-xr-x. 2 vdsm kvm 6  3. Jul 05:19 /mnt/nfs/xx
>
>
> [root@ovirtnode005 ~]# umount /mnt/nfs
> [root@ovirtnode005 ~]# ls -l /mnt/nfs
> total 0
> [root@ovirtnode005 ~]#
>
>
> Best Regards, Oliver
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