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Hello oVirt Community,
This may be my first time writing in. Although, I've been reviewing and pla=
ying with oVirt for the past 3 years. My name is Robert Langley and I work =
for a local Government in Southern California. My agency (with me as the pr=
imary/lead IT person) has been using VMWare vSphere to host our server envi=
ronment for 6 years. I have a few different reasons I want to jump the VMWa=
re ship and I've been pleased with the progression oVirt has been making. I=
do not care to jump from VMWare to Microsoft's Hyper-V, so this had lead m=
e to look into Xen for a while, then dropped anchor with oVirt. I'm determi=
ned to see this implementation through.
I have moved over from the test (workstation class) environment, where I wa=
s really just getting familiar with the commands and UI, and now I am worki=
ng on implementation with server class hardware.
I have the engine up and running. I'll get into more specifics below.
I'm running into an issue where I have not been able to add my Gluster host=
s or add the Storage Domain (I had tried adding the storage domain first).
For my new oVirt and GlusterFS hosts I have the following:
* I want to first mention that I do have a DNS server for the separat=
ed/private networks and those are configured and working properly (forward =
& reverse).
Dell PE R830 and I would like this to be a failover server housed in a sepa=
rate building where we have an Emergency Operations Center and Datacenter (=
server room).
- Has bonded gigabit (2 port) network that is connected to our main n=
etwork & internet, configured to be used for ovirtmgnt. Name =3D gsaov08.en=
t...
o As far as all the various names, oVirt Hosted Engine Deployment com=
plained that the Main network name was seen on more than one interface, or =
something to that effect.
o I did originally have DNS for the separated/private networks config=
ured for forwarding DNS from our main network DNS servers. Which has been r=
emoved and the Hosted Engine Deployment stopped complaining at that point. =
I was going to use the forwarding DNS for another private network I use for=
some management traffic, but that is not as important or an absolute need =
either.
- Has 2nd bonded gigabit (4 port) network (separate/private) for engi=
ne storage. Name =3D gsaov08e.engine.local
- Has 3rd bonded 10G (2 port) network (separate/private) for VM Guest=
storage. Name =3D gsaov08s.stor.local
- Will have a 4th network (separate/private) configured for security =
related devices that are managed by a couple of our VM guests.
As far as storage in this same server.
- I have split up the local storage to be hosted by GlusterFS and thi=
s host is a peer with the other two dedicated GlusterFS storage servers. Th=
at is for the failover piece.
o Engine volume (currently being used for the Hosted Engine) and setu=
p as a replica 3 with the two dedicated GlusterFS storage servers.
o VM Guest "Data" volume. The volume is created, configured and start=
ed. Setup as a replica 3 with the two dedicated GlusterFS storage servers.
So far, this is the only host I have hosting the engine. Now, onto the othe=
r host I am about to run Hosted-Engine -Deploy on.
Dell PE R730 - It has the same network setup as the R830. Storage is a bit =
different. I would like to run another VM Guest GlusterFS volume from here,=
along with 2 other hosts I have. They are currently serving as the vSphere=
ESX hosts and have the same total size of storage to create another replic=
a 3.
The Dedicated GlusterFS Hosts are custom AMD Opteron G2 builds with ASUS se=
rver motherboards. Strictly designed to be dedicated storage servers.
- I'm using the onboard NICs to connect to my management network only=
for the purpose of getting updates. So, internet is served to these hosts =
via a NAT router. Since I figured they don't otherwise need access to our m=
ain network. The primary names =3D gsa-stor1 & gsa-stor2
- They both have a bonded (4 port) gigabit network for the Engine sto=
rage network. Names =3D gsa-stor1e.engine.local & gsa-stor2e.engine.local
- They both have a bonded (2 port) 10G network for the VM Guest stora=
ge network. Names =3D gsa-stor2s.stor.local & gsa-stor2s.stor.local
As far as storage in these servers.
- It is the same as the R830, as these servers are the peers to the R=
830.
First, I added an ISO Storage Domain (NFS). That was successful. Next, I wa=
s trying to add the GlusterFS VM Guest Data Storage Domain. I receive an Op=
eration Canceled: Error while executing action AddGlusterFsStorageDomain: E=
rror creating a storage domain.
When I try to add the Gluster hosts as hosts in the oVirt Manager, I get a =
message stating that SSH has failed, verify that the host is reachable (IP =
address, routable address etc.) You may refer to the engine.log file for fu=
rther details.
I can otherwise communicate with the hosts and the engine.log does not appe=
ar to have specifics to this particular failure. But, there are other clues=
that I don't understand. So, I can follow up with the engine log. It conta=
ins "WARN" entries. They seem to be because I do not have the hosts, for th=
e engine volume, added to the cluster.
Oh, one thing I should mention, I did select the option to enable the Glust=
er service in the default cluster. So, both virt and Gluster are enabled. A=
fter I did so, I wasn't so sure that was a good thing or not. It seems that=
documentation is outdated on whether that is now supported. I noticed from=
screenshots that the selection used to be radio buttons and now they are c=
heck boxes. I did read the release notes for 4.0.1, which seem to talk as t=
hough support for both in a cluster has been added.
Thank you for any help that can be extended.
Robert
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<font face=3D"Calibri" size=3D"2"><span style=3D"font-size:11pt;">
<div>Hello oVirt Community,</div>
<div> </div>
<div>This may be my first time writing in. Although, I’ve been review=
ing and playing with oVirt for the past 3 years. My name is Robert Langley =
and I work for a local Government in Southern California. My agency (with m=
e as the primary/lead IT person) has been
using VMWare vSphere to host our server environment for 6 years. I have a f=
ew different reasons I want to jump the VMWare ship and I’ve been ple=
ased with the progression oVirt has been making. I do not care to jump from=
VMWare to Microsoft’s Hyper-V, so this
had lead me to look into Xen for a while, then dropped anchor with oVirt. I=
’m determined to see this implementation through.</div>
<div> </div>
<div>I have moved over from the test (workstation class) environment, where=
I was really just getting familiar with the commands and UI, and now I am =
working on implementation with server class hardware.</div>
<div>I have the engine up and running. I’ll get into more specifics b=
elow.</div>
<div>I’m running into an issue where I have not been able to add my G=
luster hosts or add the Storage Domain (I had tried adding the storage doma=
in first).</div>
<div>For my new oVirt and GlusterFS hosts I have the following:</div>
<ul style=3D"margin:0;padding-left:36pt;">
<li>I want to first mention that I do have a DNS server for the separated/p=
rivate networks and those are configured and working properly (forward &=
; reverse).</li></ul>
<div>Dell PE R830 and I would like this to be a failover server housed in a=
separate building where we have an Emergency Operations Center and Datacen=
ter (server room).</div>
<ul style=3D"margin:0;padding-left:43pt;">
<li>Has bonded gigabit (2 port) network that is connected to our main netwo=
rk & internet, configured to be used for ovirtmgnt. Name =3D gsaov08.en=
t…</li></ul>
<ul style=3D"margin:0;padding-left:79pt;">
<li>As far as all the various names, oVirt Hosted Engine Deployment complai=
ned that the Main network name was seen on more than one interface, or some=
thing to that effect.</li><li>I did originally have DNS for the separated/p=
rivate networks configured for forwarding DNS from our main network DNS ser=
vers. Which has been removed and the Hosted Engine Deployment stopped compl=
aining at that point. I was going to use the forwarding DNS
for another private network I use for some management traffic, but that is =
not as important or an absolute need either.</li></ul>
<ul style=3D"margin:0;padding-left:43pt;">
<li>Has 2<font size=3D"1"><span style=3D"font-size:7.3pt;"><sup>nd</sup></s=
pan></font> bonded gigabit (4 port) network (separate/private) for engine s=
torage. Name =3D gsaov08e.engine.local</li><li>Has 3<font size=3D"1"><span =
style=3D"font-size:7.3pt;"><sup>rd</sup></span></font> bonded 10G (2 port) =
network (separate/private) for VM Guest storage. Name =3D gsaov08s.stor.loc=
al</li><li>Will have a 4<font size=3D"1"><span style=3D"font-size:7.3pt;"><=
sup>th</sup></span></font> network (separate/private) configured for securi=
ty related devices that are managed by a couple of our VM guests.</li></ul>
<div style=3D"padding-left:25pt;">As far as storage in this same server.</d=
iv>
<ul style=3D"margin:0;padding-left:43pt;">
<li>I have split up the local storage to be hosted by GlusterFS and this ho=
st is a peer with the other two dedicated GlusterFS storage servers. That i=
s for the failover piece.</li></ul>
<ul style=3D"margin:0;padding-left:79pt;">
<li>Engine volume (currently being used for the Hosted Engine) and setup as=
a replica 3 with the two dedicated GlusterFS storage servers.</li><li>VM G=
uest “Data” volume. The volume is created, configured and start=
ed. Setup as a replica 3 with the two dedicated GlusterFS storage servers.<=
/li></ul>
<div style=3D"text-indent:36pt;">So far, this is the only host I have hosti=
ng the engine. Now, onto the other host I am about to run Hosted-Engine -De=
ploy on.</div>
<div>Dell PE R730 – It has the same network setup as the R830. Storag=
e is a bit different. I would like to run another VM Guest GlusterFS volume=
from here, along with 2 other hosts I have. They are currently serving as =
the vSphere ESX hosts and have the same
total size of storage to create another replica 3.</div>
<div> </div>
<div>The Dedicated GlusterFS Hosts are custom AMD Opteron G2 builds with AS=
US server motherboards. Strictly designed to be dedicated storage servers.<=
/div>
<ul style=3D"margin:0;padding-left:43pt;">
<li>I’m using the onboard NICs to connect to my management network on=
ly for the purpose of getting updates. So, internet is served to these host=
s via a NAT router. Since I figured they don’t otherwise need access =
to our main network. The primary names =3D gsa-stor1
& gsa-stor2</li><li>They both have a bonded (4 port) gigabit network fo=
r the Engine storage network. Names =3D gsa-stor1e.engine.local & gsa-s=
tor2e.engine.local</li><li>They both have a bonded (2 port) 10G network for=
the VM Guest storage network. Names =3D gsa-stor2s.stor.local & gsa-st=
or2s.stor.local</li></ul>
<div style=3D"padding-left:25pt;">As far as storage in these servers.</div>
<ul style=3D"margin:0;padding-left:43pt;">
<li>It is the same as the R830, as these servers are the peers to the R830.=
</li></ul>
<div style=3D"padding-left:43pt;"> </div>
<div>First, I added an ISO Storage Domain (NFS). That was successful. Next,=
I was trying to add the GlusterFS VM Guest Data Storage Domain. I receive =
an Operation Canceled: Error while executing action AddGlusterFsStorageDoma=
in: Error creating a storage domain.</div>
<div>When I try to add the Gluster hosts as hosts in the oVirt Manager, I g=
et a message stating that SSH has failed, verify that the host is reachable=
(IP address, routable address etc.) You may refer to the engine.log file f=
or further details.</div>
<div>I can otherwise communicate with the hosts and the engine.log does not=
appear to have specifics to this particular failure. But, there are other =
clues that I don’t understand. So, I can follow up with the engine lo=
g. It contains “WARN” entries. They seem
to be because I do not have the hosts, for the engine volume, added to the =
cluster.</div>
<div>Oh, one thing I should mention, I did select the option to enable the =
Gluster service in the default cluster. So, both virt and Gluster are enabl=
ed. After I did so, I wasn’t so sure that was a good thing or not. It=
seems that documentation is outdated
on whether that is now supported. I noticed from screenshots that the selec=
tion used to be radio buttons and now they are check boxes. I did read the =
release notes for 4.0.1, which seem to talk as though support for both in a=
cluster has been added.</div>
<div> </div>
<div>Thank you for any help that can be extended.</div>
<div>Robert</div>
<div> </div>
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