[ovirt-users] Re: oVirt 4.4.0 Alpha release refresh is now available for testing

2020-03-16 Thread Vojtech Juranek 
On pondělí 16. března 2020 9:32:53 CET you wrote:
> On Mon, Mar 16, 2020 at 2:37 AM Sakari Poussa  wrote:
> > Hi,
> > 
> > The pre-release seems to be missing the ovirt-imageio-proxy.
> > 
> > Why is that? How can one import a (non-openstack glance) template to the
> > system? Both UI and ovirt.image-template ansible role seems to require
> > it.
> The project is working on getting rid of the duplications between the
> daemon and the proxy, and have a single program doing both functions.

correct, in the future we want only daemon module and remove proxy completely 
as it's not PY3 ready

> Not sure about current status, adding Vojtech.

WIP, we had some more urgent issue to work on, but I'm returning back to this 
now

> > Thanks, Sakari
> > 
> > On Mon, Mar 9, 2020 at 11:16 AM Sandro Bonazzola  
wrote:
> >> Il giorno dom 8 mar 2020 alle ore 08:49  ha scritto:
> >>> Hi
> >>> Is this also working on Centos Stream?
> >> 
> >> Yes, should work fine on CentOS Stream too.
> >> 
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> >> --
> >> 
> >> Sandro Bonazzola
> >> 
> >> MANAGER, SOFTWARE ENGINEERING, EMEA R RHV
> >> 
> >> Red Hat EMEA
> >> 
> >> sbona...@redhat.com
> >> 
> >> Red Hat respects your work life balance. Therefore there is no need to
> >> answer this email out of your office hours.
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> >> ZNPEOBPNEFU663V5DQKBRR/> 
> > --
> > Sakari Poussa
> > 040 348 2970
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> > PRQVCCYL2ZHTZ52BDM7NG/



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[ovirt-users] Re: oVirt Storage quota problems

2020-03-16 Thread Vrgotic, Marko 
Dear oVirt,

Is there anyone willing and able to assist me in troubleshooting what seems to 
be multiple issues regarding quotas:

  1.  UI Exception each time I add Consumer to Quota.
  2.  User getting warning of not being authorized to ‘ConsumeQuota’ in order 
to AddVM or AddVMFromTemplate, even though User is in Consumers list.
  3.  Fishy quota usage percentage.

I see this strange behavior on all my platforms, so it’s starting to look as a 
bug to me.
Happy to provide any relevant logs or do tests needed.

Kindly awaiting your reply.


-
kind regards/met vriendelijke groeten

Marko Vrgotic
ActiveVideo


From: "Staniforth, Paul" 
Date: Friday, 13 March 2020 at 18:19
To: "Vrgotic, Marko" , "users@ovirt.org" 

Cc: Darko Stojchev 
Subject: Re: oVirt Storage quota problems

Sorry haven't used quota in a while, one thought is there a template quota 
getting used?

Regards,
 Paul S.

From: Vrgotic, Marko 
Sent: 13 March 2020 15:15
To: Staniforth, Paul ; users@ovirt.org 

Cc: Stojchev, Darko 
Subject: Re: oVirt Storage quota problems


Caution External Mail: Do not click any links or open any attachments unless 
you trust the sender and know that the content is safe.

Hey Paul,



I did the check for another user that has same issue and what I found out its 
bit strange:

  *   DC1 / infrastructure1 – quota storage_inf1 – user is added in Consumers 
list   -   gets “2020-03-13 08:26:18,057Z WARN  
[org.ovirt.engine.core.bll.AddVmFromTemplateCommand] (default task-3804) 
[a6ba871a-dc42-4d4b-a01a-a72cd5a45959] Validation of action 'AddVmFromTemplate' 
failed for user azabal...@ictv.com@ictv.com-authz. Reasons: 
VAR__ACTION__ADD,VAR__TYPE__VM,USER_NOT_AUTHORIZED_TO_CONSUME_QUOTA”
  *   DC1 / development2 – quota storage_dev2 – user is added in Consumers list 
– works



The following logs confirm that:



  *   Fails against infrastructure1 :

“2020-03-13 08:26:18,057Z INFO  
[org.ovirt.engine.core.bll.AddVmFromTemplateCommand] (default task-3804) 
[a6ba871a-dc42-4d4b-a01a-a72cd5a45959] No permission found for user 
'699687a1-da37-4b4

0-a86d-dc744208302d' or one of the groups he is member of, when running action 
'AddVmFromTemplate', Required permissions are: Action type: 'USER' Action 
group: 'CONSUME_QUOTA' Object type: '

Quota'  Object ID: '254f2582-839d-11e9-aaa2-00163e4f2a6d'.

2020-03-13 08:26:18,057Z WARN  
[org.ovirt.engine.core.bll.AddVmFromTemplateCommand] (default task-3804) 
[a6ba871a-dc42-4d4b-a01a-a72cd5a45959] Validation of action 'AddVmFromTemplate' 
failed for user azabal...@ictv.com@ictv.com-authz. Reasons: 
VAR__ACTION__ADD,VAR__TYPE__VM,USER_NOT_AUTHORIZED_TO_CONSUME_QUOTA

2020-03-13 08:27:03,426Z INFO  
[org.ovirt.engine.core.bll.AddVmFromTemplateCommand] (default task-3813) 
[1e11522e-b25a-4972-8ff8-1d9a08bd57ca] Lock Acquired to object 
'EngineLock:{exclusiveLocks='[azabaleta-runner=VM_NAME]', 
sharedLocks='[a80c1f1f-9cd3-4e8c-bfe9-670aa36d2aff=DISK, 
9c710118-bb68-45aa-bafd-0e90cb07b9cf=TEMPLATE]'}'

  *   Works against development2:



2020-03-13 08:27:04,323Z INFO  
[org.ovirt.engine.core.bll.AddGraphicsDeviceCommand] (default task-3813) 
[2cd83827] Running command: AddGraphicsDeviceCommand internal: true. Entities 
affected :  ID: d75c0d37-4640-49b0-afd1-7db27541f4d4 Type: VMAction group 
EDIT_VM_PROPERTIES with role type USER

2020-03-13 08:27:04,379Z INFO  
[org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (default 
task-3813) [2cd83827] EVENT_ID: USER_ADD_VM_STARTED(37), VM azabaleta-runner 
creation was initiated by azabal...@ictv.com@ictv.com-authz.

2020-03-13 08:27:04,777Z INFO  
[org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] 
(EE-ManagedThreadFactory-engineScheduled-Thread-39) 
[1e11522e-b25a-4972-8ff8-1d9a08bd57ca] Command 'CreateCloneOfTemplate' (id: 
'806f2e38-fc42-45c3-87ab-20bec50c226c') waiting on child command id: 
'd3826f75-1095-4b5f-98c3-973f4683616b' type:'CopyImageGroupWithData' to complete

2020-03-13 08:27:04,777Z INFO  
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] 
(EE-ManagedThreadFactory-engineScheduled-Thread-39) 
[1e11522e-b25a-4972-8ff8-1d9a08bd57ca] Command 'CopyImageGroupWithData' (id: 
'd3826f75-1095-4b5f-98c3-973f4683616b') waiting on child command id: 
'eb9c3360-00a8-4539-bda4-89d70d22da68' type:'CreateVolumeContainer' to complete

2020-03-13 08:27:05,003Z INFO  
[org.ovirt.engine.core.bll.network.vm.ReorderVmNicsCommand] (default task-3813) 
[e9f67a0f-aaf8-45a6-bdae-d501e757a3b6] Running command: ReorderVmNicsCommand 
internal: false. Entities affected :  ID: d75c0d37-4640-49b0-afd1-7db27541f4d4 
Type: VMAction group CREATE_VM with role type USER



Please assist as it currently seems the Quota permissions are not working as 
expected. The Quotas storage_inf1 and storage_dev2 are configured in exact same 
way, expect that they are for different DataCenters.







From: "Vrgotic, Marko" 
Date: Thursday, 12 March 2020 at 20:19
To:

[ovirt-users] Re: Client separation on bridge level

2020-03-16 Thread eevans 
This article helped me with the same issue.

https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.2/html/administration_guide/sect-Hosts_and_Networking#Editing-VLAN-Settings


Eric Evans
Digital Data Services LLC.
304.660.9080


-Original Message-
From: Hendrik Peyerl  
Sent: Monday, March 16, 2020 5:25 AM
To: users@ovirt.org
Subject: [ovirt-users] Client separation on bridge level

Hello everyone,

is there a way to seperate the traffic between VMs on the same bridge on one 
oVirt-node with built-in tools from ovirt? We have VMs using the same bridge 
which should never be able to talk to each other.

We are currently using ebtables for that, but its not working very good anymore 
now that we upgraded to 4.3 with firewalld.

Any suggestions would be greatly appreciated.

Best regards,
Hendrik
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[ovirt-users] Re: Client separation on bridge level

2020-03-16 Thread Hendrik Peyerl 
We do have certain VLANs that all the VMs need as of now, we will be able to do 
this at some point but I need a solution until then.



> On 16. Mar 2020, at 11:08, Staniforth, Paul  
> wrote:
> 
> Can't you put then on separate VLANs?
> 
> 
> Regards,
>Paul S.
> From: Hendrik Peyerl 
> Sent: 16 March 2020 09:24
> To: users@ovirt.org 
> Subject: [ovirt-users] Client separation on bridge level
>  
> Caution External Mail: Do not click any links or open any attachments unless 
> you trust the sender and know that the content is safe.
> 
> Hello everyone,
> 
> is there a way to seperate the traffic between VMs on the same bridge on one 
> oVirt-node with built-in tools from ovirt? We have VMs using the same bridge 
> which should never be able to talk to each other.
> 
> We are currently using ebtables for that, but its not working very good 
> anymore now that we upgraded to 4.3 with firewalld.
> 
> Any suggestions would be greatly appreciated.
> 
> Best regards,
> Hendrik
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[ovirt-users] Client separation on bridge level

2020-03-16 Thread Hendrik Peyerl 
Hello everyone,

is there a way to seperate the traffic between VMs on the same bridge on one 
oVirt-node with built-in tools from ovirt? We have VMs using the same bridge 
which should never be able to talk to each other.

We are currently using ebtables for that, but its not working very good anymore 
now that we upgraded to 4.3 with firewalld.

Any suggestions would be greatly appreciated.

Best regards,
Hendrik
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[ovirt-users] Re: oVirt 4.4.0 Alpha release refresh is now available for testing

2020-03-16 Thread Yedidyah Bar David 
On Mon, Mar 16, 2020 at 2:37 AM Sakari Poussa  wrote:
>
> Hi,
>
> The pre-release seems to be missing the ovirt-imageio-proxy.
>
> Why is that? How can one import a (non-openstack glance) template to the 
> system? Both UI and ovirt.image-template ansible role seems to require it.

The project is working on getting rid of the duplications between the
daemon and the proxy, and have a single program doing both functions.
Not sure about current status, adding Vojtech.

>
> Thanks, Sakari
>
>
> On Mon, Mar 9, 2020 at 11:16 AM Sandro Bonazzola  wrote:
>>
>>
>>
>> Il giorno dom 8 mar 2020 alle ore 08:49  ha scritto:
>>>
>>> Hi
>>> Is this also working on Centos Stream?
>>
>>
>> Yes, should work fine on CentOS Stream too.
>>
>>
>>>
>>> ___
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>>
>>
>>
>> --
>>
>> Sandro Bonazzola
>>
>> MANAGER, SOFTWARE ENGINEERING, EMEA R RHV
>>
>> Red Hat EMEA
>>
>> sbona...@redhat.com
>>
>> Red Hat respects your work life balance. Therefore there is no need to 
>> answer this email out of your office hours.
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>
>
>
> --
> Sakari Poussa
> 040 348 2970
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-- 
Didi
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[ovirt-users] Re: Client separation on bridge level

2020-03-16 Thread Staniforth, Paul 
Can't you put then on separate VLANs?


Regards,
   Paul S.

From: Hendrik Peyerl 
Sent: 16 March 2020 09:24
To: users@ovirt.org 
Subject: [ovirt-users] Client separation on bridge level

Caution External Mail: Do not click any links or open any attachments unless 
you trust the sender and know that the content is safe.

Hello everyone,

is there a way to seperate the traffic between VMs on the same bridge on one 
oVirt-node with built-in tools from ovirt? We have VMs using the same bridge 
which should never be able to talk to each other.

We are currently using ebtables for that, but its not working very good anymore 
now that we upgraded to 4.3 with firewalld.

Any suggestions would be greatly appreciated.

Best regards,
Hendrik
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[ovirt-users] connect from public to private network

2020-03-16 Thread nikkognt 
Good morning,
I have an Ovirt infrastructure and its configured in private network.
How can I connect from public network to web portal and the virtual machines 
via spice client?
My infrastructure is configured by 1 engine and 2 hosts.
How can I do? Suggestions?
Thanks!
Best regards
Nikkognt
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[ovirt-users] Re: Migrate engine from one storage domain to another

2020-03-16 Thread Anton Louw 
Hi,

So I decided to just try the move, but I get the below error:

“Error wwhile executing action: Cannot move virtual disk. The operation is not 
supported for HOSTED_ENGINE disks”

Any idea if there is a different way to do this?

Thanks


Anton Louw
Cloud Engineer: Storage and Virtualization
__
D: 087 805 1572 | M: N/A
A: Rutherford Estate, 1 Scott Street, Waverley, Johannesburg
anton.l...@voxtelecom.co.za

www.vox.co.za



From: Pavel Bar 
Sent: 15 March 2020 16:01
To: Anton Louw 
Cc: users 
Subject: Re: [ovirt-users] Migrate engine from one storage domain to another

Hi,
Move should work.
You can backup the disk before migration just to feel safe :)

On Fri, Mar 13, 2020 at 7:28 AM 
mailto:anton.l...@voxtelecom.co.za>> wrote:
Hi All,

What would be the easiest way to migrate my hosted engine disk from one storage 
domain, to another? I see that I can click on the disk, and select move, but 
for some reason I feel nervous about it :)

Thanks
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[ovirt-users] Re: Client separation on bridge level

2020-03-16 Thread Alan G 
Look at Network Filters in the vNIC profile for the network. I haven't tested 
it but there is one called clean-traffic-gateway, which I believe allows only 
communication between a VM and the designated gateway.



 On Mon, 16 Mar 2020 10:11:57 + Hendrik Peyerl  
wrote 


We do have certain VLANs that all the VMs need as of now, we will be able to do 
this at some point but I need a solution until then. 
 
 
 
> On 16. Mar 2020, at 11:08, Staniforth, Paul 
>  wrote: 
> 
> Can't you put then on separate VLANs? 
> 
> 
> Regards, 
>Paul S. 
> From: Hendrik Peyerl  
> Sent: 16 March 2020 09:24 
> To: mailto:users@ovirt.org  
> Subject: [ovirt-users] Client separation on bridge level 
> 
> Caution External Mail: Do not click any links or open any attachments unless 
> you trust the sender and know that the content is safe. 
> 
> Hello everyone, 
> 
> is there a way to seperate the traffic between VMs on the same bridge on one 
> oVirt-node with built-in tools from ovirt? We have VMs using the same bridge 
> which should never be able to talk to each other. 
> 
> We are currently using ebtables for that, but its not working very good 
> anymore now that we upgraded to 4.3 with firewalld. 
> 
> Any suggestions would be greatly appreciated. 
> 
> Best regards, 
> Hendrik 
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[ovirt-users] Re: Ovirt engine showing wrong host's memory usage

2020-03-16 Thread Michal Skrivanek 


> On 13 Mar 2020, at 18:55, Alan G  wrote:
> 
> I've observed that oVirt considers cache/buffer memory as "used”.

Where do you see that?

> So a host can report, for example, 10% memory utilisation when hosting 0 VMs. 
> A reboot of the host will of course free all that memory and the host will 
> again report something close to 0%.
> 
> This caused me a shock a few weeks ago when I thought my cluster was running 
> out of memory.
> 
> Given that the kernel will give back the buffer memory as required, is it not 
> perhaps a bit misleading to count it as "used"?

it is not counted as used, 
https://github.com/oVirt/vdsm/blob/95d734bace00b87a17d333ac1871a489b1812160/lib/vdsm/host/api.py#L131
 
> 
> 
>  On Fri, 13 Mar 2020 17:47:34 + Michal Skrivanek 
>  wrote 
> 
> > On 10 Mar 2020, at 15:46, Noua TOUKOUROU  > > wrote: 
> > 
> >  
> > Hi, 
> > 
> > My ovirt engine is showing wrong host's memory usage. Even when this one 
> > has no VM. 
> > How to fix it ? 
> 
> What’s wrong with it? 
> 
> > 
> > Thanks 
> > ___ 
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> 

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[ovirt-users] Re: Ovirt engine showing wrong host's memory usage

2020-03-16 Thread Alan G 
Maybe there is some subtlety here that I am missing?



Taking one of my hosts as an example (running 4.2 - not sure if the code has 
changed in 4.3?)



$ head -5 /proc/meminfo 

MemTotal:   263695240 kB

MemFree:    80087284 kB

MemAvailable:   137272368 kB

Buffers:   79620 kB

Cached:  7758272 kB



While in the oVIrt GUI it reports



257514 MB total

172534 MB used

84980 MB free



And from the Host page it reports memory utilisation as 67%, which roughly 
equates to used / total.



(total - available) / total would give a value more like 50%.





 On Mon, 16 Mar 2020 14:39:16 + Michal Skrivanek 
 wrote 







On 13 Mar 2020, at 18:55, Alan G  wrote:



I've observed that oVirt considers cache/buffer memory as "used”.







Where do you see that?




So a host can report, for example, 10% memory utilisation when hosting 0 VMs. A 
reboot of the host will of course free all that memory and the host will again 
report something close to 0%.



This caused me a shock a few weeks ago when I thought my cluster was running 
out of memory.



Given that the kernel will give back the buffer memory as required, is it not 
perhaps a bit misleading to count it as "used"?







it is not counted as used, 
https://github.com/oVirt/vdsm/blob/95d734bace00b87a17d333ac1871a489b1812160/lib/vdsm/host/api.py#L131


 





 On Fri, 13 Mar 2020 17:47:34 + Michal Skrivanek 
 wrote 



> On 10 Mar 2020, at 15:46, Noua TOUKOUROU  
> wrote: 
> 
>  
> Hi, 
> 
> My ovirt engine is showing wrong host's memory usage. Even when this one has 
> no VM. 
> How to fix it ? 
 
What’s wrong with it? 
 
> 
> Thanks 
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[ovirt-users] Re: Ovirt engine showing wrong host's memory usage

2020-03-16 Thread Noua TOUKOUROU 
Hi,

This is not reflecting the right usage. Also Ovirt keeps sending alert emails 
for high memory usage.
Is there a way to fix this ?

Best,
Noua

--
Noua Toukourou
Research (and development) specialist
System Administrator

UNIVERSITÉ DU LUXEMBOURG

LUXEMBOURG CENTRE FOR SYSTEMS BIOMEDECINE
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On 2020-03-13 18:49:03+01:00 Michal Skrivanek wrote:

 On 10 Mar 2020, at 15:46, Noua TOUKOUROU  wrote:

 
 Hi,

 My ovirt engine is showing wrong host's memory usage. Even when this one 
has no VM.
 How to fix it ?

What’s wrong with it?


 Thanks
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[ovirt-users] Re: Ovirt engine showing wrong host's memory usage

2020-03-16 Thread Noua TOUKOUROU 
Hi,

Engine and host
===
CentOS Linux release 7.7.1908
Ovirt 4.3

Please let me know if you need more info

Best,

--
Noua Toukourou
Research (and development) specialist
System Administrator

UNIVERSITÉ DU LUXEMBOURG

LUXEMBOURG CENTRE FOR SYSTEMS BIOMEDECINE
Campus Belval | House of Biomedicine II
6, avenue du Swing
L-4367 Belvaux
T +352 46 66 44 9638
F +352 46 66 44 39638
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On 2020-03-12 17:09:43+01:00 Sandro Bonazzola wrote:


Il giorno gio 12 mar 2020 alle ore 16:48 Noua TOUKOUROU 
mailto:noua.toukou...@uni.lu>> ha scritto:
Hi,

My ovirt engine is showing wrong host's memory usage. Even when this one has no 
VM.
How to fix it ?
Hi can you please provide more info about your environment? Which version of 
ovirt-engine are you using?

Thanks
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[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-16 Thread Strahil Nikolov 
On March 16, 2020 11:08:16 PM GMT+02:00, Vojtech Juranek  
wrote:
>On středa 11. března 2020 21:13:13 CET Jayme wrote:
>> I noticed Gluster 4k support mentioned in recent oVirt release notes.
>Can
>> anyone explain what this is about?
>
>before we supported only disks with block size 512 B. Now, we support
>also 
>disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to
>learn more about
>this feature, you can check slides [1] and I noticed that videos
>recording of
>Nir's talk he had on Fosdem is already available, so you can watch
>whole
>talk [2].
>
>Vojta
>
>[1]
>https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFbJn-Bml_aY/
>[2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm

Can I switch off VDO's 512byte emulation ?

Best Regards,
Strahil Nikolov
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[ovirt-users] Re: Migrate engine from one storage domain to another

2020-03-16 Thread Николаев Алексей 
https://lists.ovirt.org/archives/list/users@ovirt.org/message/QSIRXA6FZZXSDHRB34YPUFFR7TTODJI5/ 16.03.2020, 15:58, "Anton Louw" : Hi, So I decided to just try the move, but I get the below error: “Error wwhile executing action: Cannot move virtual disk. The operation is not supported for HOSTED_ENGINE disks” Any idea if there is a different way to do this? Thanks  Anton LouwCloud Engineer: Storage and Virtualization at VoxT:  087 805  | D: 087 805 1572M: N/AE: anton.l...@voxtelecom.co.zaA: Rutherford Estate, 1 Scott Street, Waverley, Johannesburgwww.vox.co.za  Disclaimer The contents of this email are confidential to the sender and the intended recipient. Unless the contents are clearly and entirely of a personal nature, they are subject to copyright in favour of the holding company of the Vox group of companies. Any recipient who receives this email in error should immediately report the error to the sender and permanently delete this email from all storage devices.This email has been scanned for viruses and malware, and may have been automatically archived by Mimecast Ltd, an innovator in Software as a Service (SaaS) for business. Providing a safer and more useful place for your human generated data. Specializing in; Security, archiving and compliance. To find out more Click Here. From: Pavel Bar Sent: 15 March 2020 16:01To: Anton Louw Cc: users Subject: Re: [ovirt-users] Migrate engine from one storage domain to another Hi,Move should work.You can backup the disk before migration just to feel safe :) On Fri, Mar 13, 2020 at 7:28 AM  wrote:Hi All,What would be the easiest way to migrate my hosted engine disk from one storage domain, to another? I see that I can click on the disk, and select move, but for some reason I feel nervous about it :)Thanks___Users mailing list -- users@ovirt.orgTo unsubscribe send an email to  users-le...@ovirt.orgPrivacy Statement:  https://www.ovirt.org/privacy-policy.htmloVirt Code of Conduct:  https://www.ovirt.org/community/about/community-guidelines/List Archives:  https://lists.ovirt.org/archives/list/users@ovirt.org/message/KE2QHPKRB2IDNNOXJAKDCU67V44BCO3T/,___Users mailing list -- users@ovirt.orgTo unsubscribe send an email to users-le...@ovirt.orgPrivacy Statement: https://www.ovirt.org/privacy-policy.htmloVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/R3LKNUUOLZRGHIW5HOOAXGERCN5OQMLD/___
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[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-16 Thread Vojtech Juranek 
On středa 11. března 2020 21:13:13 CET Jayme wrote:
> I noticed Gluster 4k support mentioned in recent oVirt release notes. Can
> anyone explain what this is about?

before we supported only disks with block size 512 B. Now, we support also 
disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to learn more 
about
this feature, you can check slides [1] and I noticed that videos recording of
Nir's talk he had on Fosdem is already available, so you can watch whole
talk [2].

Vojta

[1] 
https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFbJn-Bml_aY/
[2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm

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