[ovirt-users] Re: ISCSI Domain & LVM

[tehnic]

Hello Greg,

this is what i was looking for.

After running "vdsm-tool config-lvm-filter" on all hosts (and rebooting them) 
all PVs, VGs and LVs from ISCSI domain were not visible anymore to local LVM on 
the ovirt hosts.

Additionally i made following tests:
- Cloning + running a VM on the ISCSI domain
- Detaching + (re-)attaching of the ISCSI domain
- Detaching, removing + (re-)import of the ISCSI domain 
- Creating new ISCSI domain (well, i needed to use "force operation" because 
creating on same ISCSI target)

All tests were successful.

As you wished i filed a bug: 
Thank you.

Best regards,
Robert
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[ovirt-users] Hosted Engine Storage migration

[joel+ovirt]

Hello listmembers!

I'm in search of some steps to use to migrate my Hosted-Engine from one NFS 
storage domain to another different NFS storage domain. One of the possible 
ways to accomplish this task may already be a feature with oVirt 4.1, I'm using 
4.2

https://lists.ovirt.org/pipermail/users/2017-January/078739.html (New feature 
in 4.1?)

Will someone elaborate the steps to use this new feature and how I could use it 
to accomplish this task? the bug link in the email linked above has a comment 
(https://bugzilla.redhat.com/show_bug.cgi?id=1409112#c12) - does this mean I 
need to redeploy the hosted-engine? I'm not able to follow as I'm new to oVirt 
and still learning the ins and outs and design if I'm on the wrong path here 
please correct me.

Thank you,

-Joel

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[ovirt-users] IoT Big Data design on AWS

[Soujanya Bargavi]

I'm trying to design a big IoT solution of millions of devices starting from 
zero. That's why I need a highly scalable platform like AWS.

My devices are going to report data using AWS IoT, and that's the only thing 
I've really decided. I need to store a lot of data like a temperature measure 
every 15 minutes on each device so for that measures I've planned to insert 
those measures directly to DynamoDB using IoT Rules, but on the other side, I 
need a relational structure to store companies, temperature sensors, etc. So I 
thought I could store that in MySQL RDS.

After that, I need to configure a proper analysis tool, so I was thinking of 
Kinesis and load the data from Redshift after ETL using Data Pipeline since AWS 
https://goo.gl/n2qNUi  Glue doesn't support DynamoDB.

I'm new with some of the services so I don't know exactly what I'm doing and I 
don't know if this approach is the best one. What do you think?.
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[ovirt-users] Re: Ovirt Engine UI bug- cannot attache networks to hosts

[Leo David]

Hi,
For the moment, you can go to host properties and hit "setup host network"
from there. It should work.
I will report the bug though, as per Greg's advice.
Cheers,

Leo

On Sat, Jan 5, 2019, 06:58  I am having the same problem with oVirt 4.2.7.1  .  Same error when
> clicking on Unattached under Hosts for a new Network:
> "Uncaught exception occurred. Please try reloading the page. Details:
> (TypeError) : Cannot read property 'N' of null
> Please have your administrator check the UI logs"
> Is there a solution or work around?  I have a 3 node HCI on gluster up and
> running with 2 x 10G NICs on each Host.  Want to split of the
> gluster/storage traffic as recommended in you documentation:
>
> https://www.ovirt.org/blog/2018/02/up-and-running-with-ovirt-4-2-and-gluster-storage.html
> Thanks for any help.
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