oVirt 4.2 Upgrade
by KSNull Zero
Hello!
Let's assume that we have 2 clusters in a shared Datacenter running version
4.1.
Is it possible to have one cluster running v4.2 and another one running
v4.1 in the same Datacenter (what version will it be, by the way ?) during
transitioning to oVirt 4.2 ?
Thank you.
6 years, 7 months
Unsubscribe
by Shashwat shagun
Admin I had unsubscribed from ovirt months ago. Why am I subscribed again?
6 years, 7 months
routing
by Justin Zygmont
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I don't understand why you would want this unless the ovirtnode itself was =
actually the router, wouldn't you want to only have an IP on the management=
network, and leave the rest of the VLANS blank so they depend on the route=
r to route the traffic:
NIC1 -> ovirt-mgmt - gateway set
NIC2 -> VLAN3, VLAN4, etc...
https://www.ovirt.org/documentation/admin-guide/chap-Logical_Networks/
Viewing or Editing the Gateway for a Logical Network
Users can define the gateway, along with the IP address and subnet mask, fo=
r a logical network. This is necessary when multiple networks exist on a ho=
st and traffic should be routed through the specified network, rather than =
the default gateway.
If multiple networks exist on a host and the gateways are not defined, retu=
rn traffic will be routed through the default gateway, which may not reach =
the intended destination. This would result in users being unable to ping t=
he host.
oVirt handles multiple gateways automatically whenever an interface goes up=
or down.
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<p class=3D"MsoNormal">I don’t understand why you would want this unl=
ess the ovirtnode itself was actually the router, wouldn’t you want t=
o only have an IP on the management network, and leave the rest of the VLAN=
S blank so they depend on the router to route
the traffic:<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">NIC1 -> ovirt-mgmt - gateway set<o:p>=
</o:p></p>
<p class=3D"MsoNormal">NIC2 -> VLAN3, VLAN4, etc…<o:p></o:p>=
</p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><a href=3D"https://www.ovirt.org/documentation/admin=
-guide/chap-Logical_Networks/">https://www.ovirt.org/documentation/admin-gu=
ide/chap-Logical_Networks/</a><o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><b><span style=3D"font-size:13.5pt;font-family:"Times New Rom=
an",serif">Viewing or Editing the Gateway for a Logical Network<o:p></=
o:p></span></b></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span style=3D"font-size:12.0pt;font-family:"Times New Roman&=
quot;,serif">Users can define the gateway, along with the IP address and su=
bnet mask, for a logical network. This is necessary
when multiple networks exist on a host and traffic should be routed throug=
h the specified network, rather than the default gateway.<o:p></o:p></span>=
</p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span style=3D"font-size:12.0pt;font-family:"Times New Roman&=
quot;,serif">If multiple networks exist on a host and the gateways are not =
defined, return traffic will be routed through the
default gateway, which may not reach the intended destination. This would =
result in users being unable to ping the host.<o:p></o:p></span></p>
<p class=3D"MsoNormal" style=3D"mso-margin-top-alt:auto;mso-margin-bottom-a=
lt:auto"><span style=3D"font-size:12.0pt;font-family:"Times New Roman&=
quot;,serif">oVirt handles multiple gateways automatically whenever an inte=
rface goes up or down.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
</div>
</body>
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6 years, 7 months
4.2.3 -- No Snapshot Restore on GUI?
by mrnervus＠gmail.com
Struggling to identify where on the GUI I can navigate to in order to perform a snapshot restore.
Is this functionality not available anymore?
6 years, 7 months
Is PostgreSQL 9.5 required now as of oVirt 4.2?
by Lacey Powers
Hi All,
I have a setup of oVirt on 4.1 that has been working brilliantly for
over a year, serving the production workloads at my dayjob without
complaint.
Originally, I had set it up with a custom PostgreSQL version, 9.6, from
the PGDG repositories, since the suggested 9.2 was already quite old,
and it allowed me to keep consistent versions of PostgreSQL across all
the infrastructure I have.
Now that I am trying to upgrade to oVirt 4.2, when I run engine-setup
per the directions in the release notes documentation, engine-setup
insists on PostgreSQL 9.5 from Software Collections, comparing the
postgresql versions and then aborting.
I don't see a way to tell it that I have a different running version of
PostgreSQL that's greater than 9.5 already.
Does this mean that no other versions than 9.5 are supported, and I need
to downgrade and use the Software Collections version exclusively?
Or is there a custom setting that I am missing that will enable me to
continue using the 9.6 install I already have.
Thank you for your time.
Best,
Lacey
6 years, 7 months
Hosted Engine dependency issue
by Peter Harman
Hello,
I am new to Ovirt (and linux) , I successfully installed a working hosted engine twice but am now running into a dependency issue. I keep getting the below message:
Error: Package: cockpit-storaged-160-1.el7.centos.noarch (extras)
Requires: storaged-iscsi >= 2.1.1
Available: storaged-iscsi-2.5.2-2.el7.x86_64 (ovirt-4.2-centos-ovirt42)
storaged-iscsi = 2.5.2-2.el7
Available: storaged-iscsi-2.5.2-4.el7.x86_64 (extras)
storaged-iscsi = 2.5.2-4.el7
Error: Package: cockpit-storaged-160-1.el7.centos.noarch (extras)
Requires: storaged >= 2.1.1
Available: storaged-2.5.2-2.el7.x86_64 (ovirt-4.2-centos-ovirt42)
storaged = 2.5.2-2.el7
Available: storaged-2.5.2-4.el7.x86_64 (extras)
storaged = 2.5.2-4.el7
Error: Package: cockpit-storaged-160-1.el7.centos.noarch (extras)
Requires: storaged-lvm2 >= 2.1.1
Available: storaged-lvm2-2.5.2-2.el7.x86_64 (ovirt-4.2-centos-ovirt42)
storaged-lvm2 = 2.5.2-2.el7
Available: storaged-lvm2-2.5.2-4.el7.x86_64 (extras)
storaged-lvm2 = 2.5.2-4.el7
I wiped the machine and tried again with no luck. Does anybody know what I am doing wrong?
Peter Harman - Systems and Safety Cordinator | Homeyer Precision Manufacturing
[Description: C:\Users\gruether\AppData\Local\Temp\Temp1_Homeyer Logo (2).zip\Homeyer Logo\Homeyer Logo.jpg]
16051 State Hwy 47, Marthasville, MO 63357| E pharman(a)homeyertool.com |<mailto:pharman@homeyertool.com%20%7C> P 636.433.2244 | F 636.433.5257
6 years, 7 months
ONN v4.2.3 Hosted Engine Deployment - Auto addition of Gluster Hosts
by glenn.farmer＠netfortris.com
The new Ovirt Node installation script in v4.2.3 automatically adds the gluster hosts after initial hosted engine setup. This caused major problems as I had used different FQDNs on a different VLAN to initially setup my gluster nodes [to isolate storage traffic] - but then put them onto the "ovirtmgmt" network. Because they were gluster nodes - I could not remove them from the ovirtmgmt network to re-install on the proper management VLAN.
I recommend removing the auto-installation of the other gluster nodes - or at least provide an option to decline the automatic addition of the other nodes.
6 years, 7 months
unable to upgrade Centos 7.5 due to ovirt package dependencies
by Vineet Khandpur
Hello.
Attempting to upgrade our ovirt hypervisors, getting the following error:
--> Finished Dependency Resolution
Error: Package: cockpit-storaged-160-1.el7.centos.noarch (@extras)
Requires: storaged-iscsi >= 2.1.1
Removing: storaged-iscsi-2.5.2-4.el7.x86_64 (@extras)
storaged-iscsi = 2.5.2-4.el7
Obsoleted By: udisks2-iscsi-2.7.3-6.el7.x86_64 (base)
Not found
Available: storaged-iscsi-2.5.2-2.el7.x86_64
(ovirt-4.2-centos-ovirt42)
storaged-iscsi = 2.5.2-2.el7
Error: Package: cockpit-storaged-160-1.el7.centos.noarch (@extras)
Requires: storaged-lvm2 >= 2.1.1
Removing: storaged-lvm2-2.5.2-4.el7.x86_64 (@extras)
storaged-lvm2 = 2.5.2-4.el7
Obsoleted By: udisks2-lvm2-2.7.3-6.el7.x86_64 (base)
Not found
Available: storaged-lvm2-2.5.2-2.el7.x86_64
(ovirt-4.2-centos-ovirt42)
storaged-lvm2 = 2.5.2-2.el7
Error: Package: cockpit-storaged-160-1.el7.centos.noarch (@extras)
Requires: storaged >= 2.1.1
Removing: storaged-2.5.2-4.el7.x86_64 (@extras)
storaged = 2.5.2-4.el7
Obsoleted By: udisks2-2.7.3-6.el7.x86_64 (base)
Not found
Available: storaged-2.5.2-2.el7.x86_64 (ovirt-4.2-centos-ovirt42)
storaged = 2.5.2-2.el7
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
Would like to avoid using the --skip-broken option. Does the dependency for
the various storaged packages need to be updated to instead require udisks2?
Thanks.
vk
--------------------------------
Vineet Khandpur
UNIX System Administrator
Information Technology Services
University of Alberta Libraries
+1-780-492-4718
6 years, 7 months
