1:14 p.m.
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I have two nodes running the hosted engine and gluster setup for replicate
between them. Mounting to localhost seems to be working so far. I have live
migrated the engine, pulled the plug on a running node, and rebooted each
node to ensure it all works properly. I have had few issues with this setup.
I didn't like ctdb because it adds another layer of complexity that is
unnecessary for MY setup.
Node1 gluster drive on sdb
Node2 gluster drive on sdb
Both replicate and are the same make and model drive.
ovirt-ha running on both for hosted-engine
This setup is for hosted engine only, my actual storage for VM's and what
not do not run in this fashion.
Hope This helps
Donny D
From: users-bounces(a)ovirt.org [mailto:users-bounces@ovirt.org] On Behalf Of
Groten, Ryan
Sent: Wednesday, February 4, 2015 10:11 AM
To: Sahina Bose; users(a)ovirt.org
Subject: Re: [ovirt-users] Help understanding Gluster in oVirt
Nope in fact I followed the guide and found CTDB works quite well. I am
just trying to figure out the benefit because that would be another
component to consider in the architecture.
From: Sahina Bose [mailto:sabose@redhat.com]
Sent: Tuesday, February 03, 2015 4:09 AM
To: Groten, Ryan; users(a)ovirt.org
Subject: Re: [ovirt-users] Help understanding Gluster in oVirt
On 01/28/2015 08:59 AM, Groten, Ryan wrote:
I was planning on making a Gluster Data domain to test, and found some great
information on this page:
http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/
The article the author uses the CTDB service for VIP failover. Is it
possible/recommended to not do this, and just create a gluster volume on all
the hosts in a cluster, then create the Gluster data domain as
localhost:<gluster_vol>?
Theoretically, it should work - if you make sure that you have a replica 3
gluster volume spread across 3 nodes, and these 3 nodes are your compute
nodes as well - you should be fine without CTDB setup for failover and
mounting as localhost.
But I've not tried this to recommend it. Maybe if others have tried it, they
can chime in?
Btw, is there any reason you do not want to set up CTDB?
Thanks,
Ryan
ThTh
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
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</o:shapelayout></xml><![endif]--></head><body bgcolor=3Dwhite
=
lang=3DEN-US link=3Dblue vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>I have two nodes running the hosted engine and gluster setup for =
replicate between them. Mounting to localhost seems to be working so =
far. I have live migrated the engine, pulled the plug on a running node, =
and rebooted each node to ensure it all works properly. I have had few =
issues with this setup. I didn’t like ctdb because it adds another =
layer of complexity that is unnecessary for MY =
setup.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Node1 gluster drive on sdb <o:p></o:p></span></p><p
=
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Node2 gluster drive on sdb<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Both replicate and are the same make and model drive. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>ovirt-ha running on both for
hosted-engine<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>This setup is for hosted engine only, my actual storage for =
VM’s and what not do not run in this fashion. =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Hope This helps<o:p></o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Donny D<o:p></o:p></span></p><p
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'><o:p> </o:p></span></p><div><div =
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'>From:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'> users-bounces(a)ovirt.org [mailto:users-bounces@ovirt.org] <b>On =
Behalf Of </b>Groten, Ryan<br><b>Sent:</b> Wednesday, February 4,
2015 =
10:11 AM<br><b>To:</b> Sahina Bose;
users@ovirt.org<br><b>Subject:</b> =
Re: [ovirt-users] Help understanding Gluster in =
oVirt<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p
class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Century =
Gothic","sans-serif";color:blue'>Nope in fact I followed the guide
and =
found CTDB works quite well. I am just trying to figure out the =
benefit because that would be another component to consider in the =
architecture.<o:p></o:p></span></p><p
class=3DMsoNormal><a =
name=3D"_MailEndCompose"></a><span =
style=3D'font-size:10.0pt;font-family:"Century =
Gothic","sans-serif";color:blue'><o:p> </o:p></span></p><div><div
=
style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'>From:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowt=
ext'> Sahina Bose [<a =
href=3D"mailto:sabose@redhat.com">mailto:sabose@redhat.com</a>] =
<br><b>Sent:</b> Tuesday, February 03, 2015 4:09
AM<br><b>To:</b> =
Groten, Ryan; <a =
href=3D"mailto:users@ovirt.org">users@ovirt.org</a><br><b>Subject:</b>
=
Re: [ovirt-users] Help understanding Gluster in =
oVirt<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p =
class=3DMsoNormal><o:p> </o:p></p><div><p
class=3DMsoNormal>On =
01/28/2015 08:59 AM, Groten, Ryan
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Century =
Gothic \, sans-serif"'>I was planning on making a Gluster Data domain to =
test, and found some great information on this page: <a =
href=3D"http://community.redhat.com/blog/2014/05/ovirt-3-4-glusteriz...
http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/</a>...
<o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Century Gothic \, =
sans-serif"'>The article the author uses the CTDB service for VIP =
failover. Is it possible/recommended to not do this, and just =
create a gluster volume on all the hosts in a cluster, then create the =
Gluster data domain as =
localhost:<gluster_vol>?</span><o:p></o:p></p></blockquote><p
=
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br>Theoretically, it =
should work - if you make sure that you have a replica 3 gluster volume =
spread across 3 nodes, and these 3 nodes are your compute nodes as well =
- you should be fine without CTDB setup for failover and mounting as =
localhost.<br><br>But I've not tried this to recommend it. Maybe if =
others have tried it, they can chime in?<br><br>Btw, is there any reason =
you do not want to set up CTDB?<br><br><o:p></o:p></p><p
=
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Century =
Gothic \,
sans-serif"'> </span><o:p></o:p></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Century =
Gothic \,
sans-serif"'>Thanks,</span><o:p></o:p></p><p =
class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Century =
Gothic \, sans-serif"'>Ryan</span><o:p></o:p></p><p
class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>ThTh<br><br><o:p></o:p></p><pre>__________=
_____________________________________<o:p></o:p></pre><pre>Users
mailing =
list<o:p></o:p></pre><pre><a =
href=3D"mailto:Users@ovirt.org">Users@ovirt.org</a><o:p></o:p></pre><pre>=
<a =
href=3D"http://lists.ovirt.org/mailman/listinfo/users">http:...
.org/mailman/listinfo/users</a><o:p></o:p></pre><p =
class=3DMsoNormal><o:p> </o:p></p></div></body></html>
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