[Users] Networking questions (LONG)
by Alan Murrell
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Hello,
I am evaluating oVirt as a replacement/alternative to VMware deployments =
we typically do. I have installed and all-in-one setup on a test box =
(which itself used to be an ESXi server), but it only has one NIC. I =
trying to duplicate our typical configuration we do in VMware, which is =
this:
1.) we create several "port groups" on the vSwitch, each assigned a =
VLAN ID, such as:
- VLAN001 (VLAN ID: 1)
- VLAN002 (VLAN ID: 2)
- VLAN009 (VLAN ID: 9)
- VLAN010 (VLAN ID: 10)
- VLAN200 (VLAN ID: 200)
- TRUNK (VLAN ID: 4095 - in VMware-world, VLAN ID "4095" is "all =
VLANS" and basically just passes the VLANs through to whatever is =
attached to the port group for the VM to handle)
2.) We assign VMs to port groups appropriate for the VLAN they are =
part of.
3.) The only VM that has a NIC assigned to the "TRUNK" port group is =
the firewall (which is Linux), and we create VLAN interfaces on it =
(i.e., "eth1.1", "eth1.2", "eth1.10", "eth1.200"). The firewall VM acts =
as the router between the various VLANs.
To replicate the above in oVirt, I created logical networks for each =
VLAN, and assigned the appropriate VLAN ID. It seems oVirt/KVM does not =
have an equivalent for VMware's VLAN ID of "4095", so after some =
searching around, so for the "TRUNK" network, I left it with no VLAN =
assigned. Because i cannot add VLAN and non-VLAN networks to the same =
physical NIC, after some searching around, it looks like I may have to =
utilise two NICS: one for the VLAN networks and one for the "TRUNK" =
network.
Because, at this point, I am not yet concerned with making the test VMs =
I will be setting up be accessible from outside the virtual lab =
environment (i.e., everything will communicate within my oVirt =
server/network for now), I am trying to make use of "dummy" interfaces, =
but I am not sure the best way to make use of this. I am able to create =
the dummy* interfaces and have them show up in oVirt, but I am not sure =
of how they should be setup. Here is what I am *thinking* should be =
done, but want to make sure it is correct before getting too deep:
- I will use the physical NIC for management, therefore the =
"ovirtmgmt" bridge with eth0 assigned to it will remain as-is
- Create two dummy interfaces: "dummy0" and "dummy1"
- Create a new bridge, "ovirtvm" and assign "dummy0" and "dummy1" to =
it
- Attach the VLAN-enabled networks to "dummy0"
- Attach the "TRUNK" network to "dummy1"
Would the above be the way to go about this? The one thing I am not =
sure of is whether or not having no VLAN assigned (on the "TRUNK" =
network) accomplishes the same this as the "VLAN ID 4095" in VMware: =
will oVirt/KVM just pass the traffic through for the VM attached to it =
to deal with?
Thanks for reading this far, and I appreciate any help you might be able =
to lend in the above.
-Alan
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<P><FONT SIZE=3D2>Hello,<BR>
<BR>
I am evaluating oVirt as a replacement/alternative to VMware deployments =
we typically do. I have installed and all-in-one setup on a test =
box (which itself used to be an ESXi server), but it only has one =
NIC. I trying to duplicate our typical configuration we do in =
VMware, which is this:<BR>
<BR>
1.) we create several "port groups" on the vSwitch, =
each assigned a VLAN ID, such as:<BR>
<BR>
- VLAN001 (VLAN ID: 1)<BR>
- VLAN002 (VLAN ID: 2)<BR>
- VLAN009 (VLAN ID: 9)<BR>
- VLAN010 (VLAN ID: 10)<BR>
- VLAN200 (VLAN ID: 200)<BR>
- TRUNK (VLAN ID: 4095 - in VMware-world, =
VLAN ID "4095" is "all VLANS" and basically just =
passes the VLANs through to whatever is attached to the port group for =
the VM to handle)<BR>
<BR>
2.) We assign VMs to port groups appropriate for the VLAN they =
are part of.<BR>
3.) The only VM that has a NIC assigned to the "TRUNK" =
port group is the firewall (which is Linux), and we create VLAN =
interfaces on it (i.e., "eth1.1", "eth1.2", =
"eth1.10", "eth1.200"). The firewall VM acts =
as the router between the various VLANs.<BR>
<BR>
To replicate the above in oVirt, I created logical networks for each =
VLAN, and assigned the appropriate VLAN ID. It seems oVirt/KVM =
does not have an equivalent for VMware's VLAN ID of "4095", so =
after some searching around, so for the "TRUNK" network, I =
left it with no VLAN assigned. Because i cannot add VLAN and =
non-VLAN networks to the same physical NIC, after some searching around, =
it looks like I may have to utilise two NICS: one for the VLAN networks =
and one for the "TRUNK" network.<BR>
<BR>
Because, at this point, I am not yet concerned with making the test VMs =
I will be setting up be accessible from outside the virtual lab =
environment (i.e., everything will communicate within my oVirt =
server/network for now), I am trying to make use of "dummy" =
interfaces, but I am not sure the best way to make use of this. I =
am able to create the dummy* interfaces and have them show up in oVirt, =
but I am not sure of how they should be setup. Here is what I am =
*thinking* should be done, but want to make sure it is correct before =
getting too deep:<BR>
<BR>
- I will use the physical NIC for management, therefore the =
"ovirtmgmt" bridge with eth0 assigned to it will remain =
as-is<BR>
- Create two dummy interfaces: "dummy0" and =
"dummy1"<BR>
- Create a new bridge, "ovirtvm" and assign =
"dummy0" and "dummy1" to it<BR>
- Attach the VLAN-enabled networks to "dummy0"<BR>
- Attach the "TRUNK" network to "dummy1"<BR>
<BR>
Would the above be the way to go about this? The one thing I am =
not sure of is whether or not having no VLAN assigned (on the =
"TRUNK" network) accomplishes the same this as the "VLAN =
ID 4095" in VMware: will oVirt/KVM just pass the traffic through =
for the VM attached to it to deal with?<BR>
<BR>
Thanks for reading this far, and I appreciate any help you might be able =
to lend in the above.<BR>
<BR>
-Alan<BR>
</FONT>
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10 years, 4 months
[Users] Script to auto backup VMs
by Jairo Rizzo
Hello,
Do you guys know of a script that I could use to backup VMs automatically
but creating the lower downtime? I modified a bit the 'virt-backup.pl'
script by Daniel Berteaud <daniel(a)firewall-services.com> so it
authenticates against Ovirt as shown below:
Sys::Virt::CRED_AUTHNAME,
Sys::Virt::CRED_PASSPHRASE,
However, wondering if I could get advice from you as to which tool or
script will do this job better. Thanks
--Rizzo
10 years, 4 months
[Users] Feature Review: Gluster Volume Snapshot
by Shubhendu Tripathi
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The following is a new meeting request:
Subject: Feature Review: Gluster Volume Snapshot
Organizer: "Shubhendu Tripathi" <shtripat(a)redhat.com>
Location: "Vijayanagara - BLR" <vijayanagara-blr(a)redhat.com>
Resources: "Vijayanagara - BLR" <vijayanagara-blr(a)redhat.com>
Time: Monday, January 27, 2014, 6:30:00 PM - 7:30:00 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi
Invitees: arch(a)ovirt.org; users(a)ovirt.org
*~*~*~*~*~*~*~*~*~*
Hi,
In this talk I intend to present a short overview of the feature Gluster Volume Snapshots in oVirt.
BlueJeans session details:
https://bluejeans.com/298626980/6439/browser
WIKI Page:
http://www.ovirt.org/Features/GlusterVolumeSnapshots
Call bridge details:
Would be shared separately.
Thanks and Regards,
Shubhendu Tripathi
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DESCRIPTION:The following is a new meeting request:\n\nSubject: Feature Revi
ew: Gluster Volume Snapshot \nOrganizer: "Shubhendu Tripathi" <shtripat@redh
at.com> \n\nLocation: "Vijayanagara - BLR" <vijayanagara-blr(a)redhat.com> \nR
esources: "Vijayanagara - BLR" <vijayanagara-blr(a)redhat.com> \nTime: Monday\
, January 27\, 2014\, 6:30:00 PM - 7:30:00 PM GMT +05:30 Chennai\, Kolkata\,
Mumbai\, New Delhi\n \nInvitees: arch(a)ovirt.org\; users(a)ovirt.org \n\n\n*~*
~*~*~*~*~*~*~*~*\n\nHi\,\n\nIn this talk I intend to present a short overvie
w of the feature Gluster Volume Snapshots in oVirt.\n\nBlueJeans session det
ails:\nhttps://bluejeans.com/298626980/6439/browser\n\nWIKI Page:\nhttp://ww
w.ovirt.org/Features/GlusterVolumeSnapshots\n\nCall bridge details:\nWould b
e shared separately.\n\nThanks and Regards\,\nShubhendu Tripathi
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10 years, 4 months
[Users] Feature Review: Gluster Volume Snapshots
by Shubhendu Tripathi via Blue Jeans Network
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Meeting Title:
Feature Review: Gluster Volume Snapshots
Meeting Time:
Monday January 27, 2014 6:30 p.m. IST / 1 hr
************************************************
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Join via phone:
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10 years, 4 months
[Users] online storage domain resize
by Jiří Sléžka
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Hello,
I'm just curious and I didn't try it already. I'm using FC storage (Dell =
MD3620f) with some logical disks on it. I should be able online increase =
virtual disk capacity using storage management (I have some free=20
capacity on disk group).
Is there any way to on-line extend volume group used for vm's images=20
storage and don't break anything?
I just found this hint by Eduardo from list
1. Shutdown all VMs
2. Manually connect iscsi on the SPM host
3. Run pvresize on the LUN
4. Put the domain in maintenance
5. Activate the domains
Is it possible to do this on-line without shutting down all vms? If not, =
it could be really nice feature for oncoming releases.
Thanks in advance
Jiri
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--------------ms040006030805040301050402--
10 years, 4 months
[Users] Node not connecting
by Nauman Abbas
Hello there
Seem to be going in a problem again. I had installed oVirt node on my
server and was running the engine on another machine. Now I had to change
the engine machine since that was just a test PC so I got rid of the engine
machine. Installed the engine on another machine and now i'm trying to add
the node to it. It goes on all well until it reaches the 'termination'
stage and then it gives an error "Installation failed. Network error during
communication with the host."
PS
SELinux/ebtables is off on both machines.
A little help would be great.
Regards
Nauman Abbas
Assistant System Administrator (LMS),
Room No. A-207, SEECS,
National University of Sciences & Technology,
+ 92 321 5359946
10 years, 4 months
[Users] Register a disk image via oVirt REST api
by Satya Vempati
--_000_16669B246DBC4D4EB043E6B646D51CEA2231D8mbx025w1ca8exch02_
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I have a disk image (i.e. a file) that I want to register as a disk using t=
he REST API.
The REST API works with existing disks, but does the API work with disk ima=
ges?
--_000_16669B246DBC4D4EB043E6B646D51CEA2231D8mbx025w1ca8exch02_
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osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
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<p class=3D"MsoNormal">I have a disk image (i.e. a file) that I want to reg=
ister as a disk using the REST API.
<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">The REST API works with existing disks, but does the=
API work with disk images?<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>
--_000_16669B246DBC4D4EB043E6B646D51CEA2231D8mbx025w1ca8exch02_--
10 years, 4 months
[Users] oVirt Node ISO for oVirt 3.3 - Draft image for testing
by Fabian Deutsch
--=-0VuymFCw5CMiaFLyxpM6
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Hey,
as many of you have noticed there wasn't any well working oVirt Node ISO
around for oVirt 3.3.
To get this ball rolling again I've put together a draft image of ALPHA
quality. It contains many fixes some of us have been working on over the
last weeks.
- Source & ISO -
To not drown Jenkins in a hell-of-a-patch-queue I've pushed the patches to
https://github.com/fabiand/ovirt-node/tree/teamsync
The ISO built from that patchset can be found here:
http://fedorapeople.org/~fabiand/node/3.0.4/ovirt-node-iso-3.0.3-0.999.2014=
01170926draft.vdsm.el6.iso
Please test this draft image and provide feedback on how it works for
you.
If you encounter problems - and you probably will - please take a look
here on how to debug them:
http://www.ovirt.org/Node_Troubleshooting
- Important Notes -
SELinux: Boot this alpha image with enforcing=3D0 to log potential
denials, but not block the calls. To fix those denials permanently
please attach your /var/log/audit/audit.log to a bug in bugzilla.
Known problems:
- Exception is raised after registration to Engine
- Many bond devices are show on network page
- Denials appear in /var/log/audit/audit.log
And don't hesitate to reach out to us if you want to get more involved
with Node.
- fabian
--=-0VuymFCw5CMiaFLyxpM6
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10 years, 4 months
[Users] virt-v2v: too many IDE bus:
by Markus Stockhausen
------=_NextPartTM-000-dd723cdf-6ccb-4b19-9baf-8b262252573c
Content-Type: multipart/alternative;
boundary="_000_12EF8D94C6F8734FB2FF37B9FBEDD173585D3007EXCHANGEcollogi_"
--_000_12EF8D94C6F8734FB2FF37B9FBEDD173585D3007EXCHANGEcollogi_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Hello,
we are currently encountering the above error during virt-v2v
migration. There was an older post about it here:
http://lists.ovirt.org/pipermail/users/2013-December/018379.html
The answers suggest that this is already fixed upstream
and that you only need virt-v2v for OS disks. Could someone,
explain
- how to migrate only the OS disk and to dd the data disks.
- if there exist any offical patches to fix the bug.
Thanks in advance.
Markus
--_000_12EF8D94C6F8734FB2FF37B9FBEDD173585D3007EXCHANGEcollogi_
Content-Type: text/html; charset="iso-8859-1"
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<head>
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1">
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<div style=3D"direction: ltr;font-family: Tahoma;color: #000000;font-size: =
10pt;">Hello,<br>
<br>
we are currently encountering the above error during virt-v2v<br>
migration. There was an older post about it here: <br>
http://lists.ovirt.org/pipermail/users/2013-December/018379.html<br>
<br>
The answers suggest that this is already fixed upstream<br>
and that you only need virt-v2v for OS disks. Could someone,<br>
explain<br>
<br>
- how to migrate only the OS disk and to dd the data disks.<br>
- if there exist any offical patches to fix the bug. <br>
<br>
Thanks in advance.<br>
<br>
Markus<br>
</div>
</body>
</html>
--_000_12EF8D94C6F8734FB2FF37B9FBEDD173585D3007EXCHANGEcollogi_--
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10 years, 4 months
