integrate iSCSI and FC on the same oVirt datacenter
by Kapetanakis Giannis
Hi,
Not sure if this is the right place to ask but maybe someone can provide
directions for my problem.
I have a full FC setup with FC switch and FC HBAs on Linux (Centos) to
access my storage.
However we cannot afford expanding our FC infrastructure thus making it
hard for us to add more nodes in the oVirt setup.
FCoE requires compatible switches and adapters (correct?) which is also
out of budget.
Our storage supports only FC.
I thought something like this might work:
node[1]: FC - ISCSI <-> node[2]: ISCSI - FC
share the FC block device over iscsi and then create a new FC
target+initiator on the new node with same FC lun as the original?
Could this work? How? Other ideas?
regards,
Giannis
ps.
a) a solution would also be to migrate completely to iSCSI but I'm
trying to avoid that atm.
b) another one would be to create a second datacenter for iSCSI but also
trying to avoid that if I can
9 years, 2 months
Re: [ovirt-users] Question about the ovirt-engine-sdk-java
by Michael Pasternak
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Content-Transfer-Encoding: quoted-printable
Hi Salifou,
OK, i see now, then you have two options:
a) To extend the sdk:
1. extend java-sdk by allowing to inject custom headers in every request=C2=
=A0(not trivial as all ovirt SDKs are auto-generated,but if its common case=
, you may find yourself getting help from community/maintainers)
2. fork java-sdk customizing it for your needs
I'd recommend the former as fork will leave you with no support/maintenance=
from community plus you'll haveto implement new=C2=A0features by your own =
(what will become a moving target very quickly)=20
b) Proxying the sdk
You can implement dynamic proxy wrapping SDK's HttpProxy.java#execute and i=
ntercept the context from there,but you've to stay tuned as backward compat=
ibility is for interface and not for SDK internals,so "potentially" you can=
find your code broken in one of the following upgrades
hope it helps.=C2=A0
On Monday, October 19, 2015 6:05 PM, Salifou Sidi M. Malick <ssidimah@=
redhat.com> wrote:
=20
Hi Micheal,
Thanks for replying. Unfortunately the headers are dynamic ...
Here is the story:
We implemented a custom RHEV-M AAA module for a client
in order to allow their custom portal to make RHEV-M API=20
calls.=20
The custom AAA module requires extra dynamic data in the HTTP=20
request (as request headers for now but request parameters=20
should be fine too).=20
Their is no problem if they go with the REST API, I am just=20
trying to anticipate/identify potential integration problem ...
It seems like they will have to use the REST API or modify the=20
java sdk ...=C2=A0=20
Thanks a lot,
Salifou
----- Original Message -----
From: "Michael Pasternak" <mishka8520(a)yahoo.com>
To: "Salifou Sidi M. Malick" <ssidimah(a)redhat.com>
Cc: "Users" <users(a)ovirt.org>
Sent: Sunday, October 18, 2015 5:45:05 AM
Subject: Re: Question about the ovirt-engine-sdk-java
Hi=C2=A0Salifou,
Actually java sdk is=C2=A0intentionally=C2=A0hiding transport level interna=
ls so developers could stay in java domain,if your headers are static, easi=
est way would be using reverse proxy in a middle to intercept requests,=C2=
=A0
can you tell me why do you need this?
=20
=C2=A0 =C2=A0 On Friday, October 16, 2015 1:14 AM, Salifou Sidi M. Malick <=
ssidimah(a)redhat.com> wrote:
=C2=A0=20
Hi Micheal,
I have a question about the ovirt-engine-sdk-java.
Is there a way to add custom request headers to each RHEVM API call?
Here is an example of a request that I would like to do:
$ curl -v -k \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 -H "ID: user1(a)ad.xyz.com" \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 -H "PASSWORD: Pwssd" \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 -H "TARGET: kobe" \
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 https://vm0.smalick.com/api/hosts
I would like to add ID, PASSWORD and TARGET as HTTP request header.=20
Thanks,
Salifou
------=_Part_258573_264923491.1445347258533
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<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helve=
tica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id=3D"yiv936631=
0362"><div id=3D"yui_3_16_0_1_1445338067930_7276"><div style=3D"color:#000;=
background-color:#fff;font-family:HelveticaNeue-Light, Helvetica Neue Light=
, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13p=
x;" id=3D"yui_3_16_0_1_1445338067930_7275"><div dir=3D"ltr" id=3D"yiv936631=
0362yui_3_16_0_1_1445338067930_4283"><span class=3D"yiv9366310362" id=3D"yi=
v9366310362yui_3_16_0_1_1445338067930_4296" style=3D"font-family:'Helvetica=
Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">Hi Sali=
fou,</span><span></span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_=
0_1_1445338067930_4283"><span class=3D"yiv9366310362" style=3D"font-family:=
'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif=
;"><br clear=3D"none"></span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_=
3_16_0_1_1445338067930_4283"><span class=3D"yiv9366310362" id=3D"yiv9366310=
362yui_3_16_0_1_1445338067930_4547" style=3D"font-family:'Helvetica Neue', =
'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">OK, i see now, =
then you have two options:</span></div><div dir=3D"ltr" id=3D"yiv9366310362=
yui_3_16_0_1_1445338067930_4283"><span class=3D"yiv9366310362" style=3D"fon=
t-family:'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', s=
ans-serif;"><br clear=3D"none"></span></div><div dir=3D"ltr" id=3D"yiv93663=
10362yui_3_16_0_1_1445338067930_4283"><span class=3D"yiv9366310362" style=
=3D"font-family:'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lucida Gra=
nde', sans-serif;" id=3D"yui_3_16_0_1_1445338067930_7286">a) To extend the =
sdk:</span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_144533806=
7930_4283"><span class=3D"yiv9366310362" style=3D"font-family:'Helvetica Ne=
ue', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;"><br clear=
=3D"none"></span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_144=
5338067930_4283"><span class=3D"yiv9366310362" id=3D"yiv9366310362yui_3_16_=
0_1_1445338067930_4800" style=3D"font-family:'Helvetica Neue', 'Segoe UI', =
Helvetica, Arial, 'Lucida Grande', sans-serif;">1. extend java-sdk by allow=
ing to inject custom headers in every request</span><span class=3D"yiv93663=
10362" style=3D"font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial=
, 'Lucida Grande', sans-serif;"> </span><span id=3D"yui_3_16_0_1_14453=
38067930_8082" class=3D"" style=3D"font-family: 'Helvetica Neue', 'Segoe UI=
', Helvetica, Arial, 'Lucida Grande', sans-serif;">(not trivial as all ovir=
t SDKs are auto-generated</span><span style=3D"font-family: 'Helvetica Neue=
', 'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">,</span></di=
v><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_1445338067930_4283"><spa=
n style=3D"font-family: 'Helvetica Neue', 'Segoe UI', Helvetica, Arial, 'Lu=
cida Grande', sans-serif;" class=3D"" id=3D"yui_3_16_0_1_1445338067930_9090=
">but if its common case, you may find yourself getting help from community=
/maintainers)</span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_=
1445338067930_4283"><span style=3D"font-family: 'Helvetica Neue', 'Segoe UI=
', Helvetica, Arial, 'Lucida Grande', sans-serif;" class=3D""><br></span></=
div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_1445338067930_4283"><s=
pan class=3D"yiv9366310362" id=3D"yiv9366310362yui_3_16_0_1_1445338067930_4=
801" style=3D"font-family:'Helvetica Neue', 'Segoe UI', Helvetica, Arial, '=
Lucida Grande', sans-serif;">2. fork java-sdk customizing it for your needs=
</span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_1445338067930=
_4283"><span class=3D"yiv9366310362" style=3D"font-family:'Helvetica Neue',=
'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;"><br clear=3D"n=
one"></span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_14453380=
67930_4283"><span class=3D"yiv9366310362" id=3D"yiv9366310362yui_3_16_0_1_1=
445338067930_4974" style=3D"font-family:'Helvetica Neue', 'Segoe UI', Helve=
tica, Arial, 'Lucida Grande', sans-serif;">I'd recommend the former as fork=
will leave you with no support/maintenance from community plus you'll have=
</span></div><div dir=3D"ltr" id=3D"yiv9366310362yui_3_16_0_1_1445338067930=
_4283"><span class=3D"yiv9366310362" style=3D"font-family:'Helvetica Neue',=
'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;" id=3D"yui_3_16=
_0_1_1445338067930_7285">to implement new </span><span id=3D"yiv936631=
0362yui_3_16_0_1_1445338067930_5162" style=3D"font-family:'Helvetica Neue',=
'Segoe UI', Helvetica, Arial, 'Lucida Grande', sans-serif;">features by yo=
ur own (what will become a moving target very quickly)</span></div> <br cl=
ear=3D"none"><div class=3D"yiv9366310362qtdSeparateBR" id=3D"yui_3_16_0_1_1=
445338067930_7274" dir=3D"ltr">b) Proxying the sdk</div><div class=3D"yiv93=
66310362qtdSeparateBR" id=3D"yui_3_16_0_1_1445338067930_7274" dir=3D"ltr"><=
br></div><div class=3D"yiv9366310362qtdSeparateBR" id=3D"yui_3_16_0_1_14453=
38067930_7274" dir=3D"ltr">You can implement dynamic proxy wrapping SDK's H=
ttpProxy.java#execute and intercept the context from there,</div><div class=
=3D"yiv9366310362qtdSeparateBR" id=3D"yui_3_16_0_1_1445338067930_7274" dir=
=3D"ltr">but you've to stay tuned as backward compatibility is for interfac=
e and not for SDK internals,</div><div class=3D"yiv9366310362qtdSeparateBR"=
id=3D"yui_3_16_0_1_1445338067930_7274" dir=3D"ltr">so "potentially" you ca=
n find your code broken in one of the following upgrades</div><div class=3D=
"yiv9366310362qtdSeparateBR" id=3D"yui_3_16_0_1_1445338067930_7274" dir=3D"=
ltr"><br></div><div class=3D"yiv9366310362qtdSeparateBR" id=3D"yui_3_16_0_1=
_1445338067930_7274" dir=3D"ltr">hope it helps. <br clear=3D"none"><br=
clear=3D"none"></div><div class=3D"yiv9366310362yqt0562777282" id=3D"yiv93=
66310362yqt81591"></div></div></div></div><div class=3D".yiv9366310362yahoo=
_quoted" id=3D"yui_3_16_0_1_1445338067930_8533"> <div style=3D"font-family:=
HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial=
, Lucida Grande, sans-serif;font-size:13px;" id=3D"yui_3_16_0_1_14453380679=
30_8532"> <div style=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetic=
a, Arial, Lucida Grande, sans-serif;font-size:16px;" id=3D"yui_3_16_0_1_144=
5338067930_8531"> <div dir=3D"ltr" id=3D"yui_3_16_0_1_1445338067930_8554"> =
<font size=3D"2" face=3D"Arial" id=3D"yui_3_16_0_1_1445338067930_8559"> On =
Monday, October 19, 2015 6:05 PM, Salifou Sidi M. Malick <ssidimah@redha=
t.com> wrote:<br clear=3D"none"> </font> </div> <br clear=3D"none"><br =
clear=3D"none"> <div class=3D"yiv9366310362y_msg_container" id=3D"yui_3_16_=
0_1_1445338067930_8712">Hi Micheal,<br clear=3D"none"><br clear=3D"none">Th=
anks for replying. Unfortunately the headers are dynamic ...<br clear=3D"no=
ne"><br clear=3D"none">Here is the story:<br clear=3D"none"><br clear=3D"no=
ne">We implemented a custom RHEV-M AAA module for a client<br clear=3D"none=
">in order to allow their custom portal to make RHEV-M API <br clear=3D"non=
e">calls. <br clear=3D"none"><br clear=3D"none">The custom AAA module requi=
res extra dynamic data in the HTTP <br clear=3D"none">request (as request h=
eaders for now but request parameters <br clear=3D"none">should be fine too=
). <br clear=3D"none"><br clear=3D"none">Their is no problem if they go wit=
h the REST API, I am just <br clear=3D"none">trying to anticipate/identify =
potential integration problem ...<br clear=3D"none"><br clear=3D"none">It s=
eems like they will have to use the REST API or modify the <br clear=3D"non=
e">java sdk ... <br clear=3D"none"><br clear=3D"none">Thanks a lot,<b=
r clear=3D"none">Salifou<br clear=3D"none"><br clear=3D"none"><div class=3D=
"yiv9366310362yqt8023103542" id=3D"yiv9366310362yqtfd83808"><br clear=3D"no=
ne">----- Original Message -----<br clear=3D"none">From: "Michael Pasternak=
" <<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:mishka8520@yahoo=
.com" target=3D"_blank" href=3D"mailto:mishka8520@yahoo.com">mishka8520@yah=
oo.com</a>><br clear=3D"none">To: "Salifou Sidi M. Malick" <<a rel=3D=
"nofollow" shape=3D"rect" ymailto=3D"mailto:ssidimah@redhat.com" target=3D"=
_blank" href=3D"mailto:ssidimah@redhat.com">ssidimah(a)redhat.com</a>><br =
clear=3D"none">Cc: "Users" <<a rel=3D"nofollow" shape=3D"rect" ymailto=
=3D"mailto:users@ovirt.org" target=3D"_blank" href=3D"mailto:users@ovirt.or=
g">users(a)ovirt.org</a>><br clear=3D"none">Sent: Sunday, October 18, 2015=
5:45:05 AM<br clear=3D"none">Subject: Re: Question about the ovirt-engine-=
sdk-java<br clear=3D"none"><br clear=3D"none">Hi Salifou,<br clear=3D"=
none">Actually java sdk is intentionally hiding transport level i=
nternals so developers could stay in java domain,if your headers are static=
, easiest way would be using reverse proxy in a middle to intercept request=
s, <br clear=3D"none"><br clear=3D"none">can you tell me why do you ne=
ed this?<br clear=3D"none"> <br clear=3D"none"><br clear=3D"none"><br clear=
=3D"none"> On Friday, October 16, 2015 1:14 AM, Salifou Sidi =
M. Malick <<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:ssidimah=
@redhat.com" target=3D"_blank" href=3D"mailto:ssidimah@redhat.com">ssidimah=
@redhat.com</a>> wrote:<br clear=3D"none"> <br clear=3D"none"><br=
clear=3D"none"> Hi Micheal,<br clear=3D"none"><br clear=3D"none">I have a =
question about the ovirt-engine-sdk-java.<br clear=3D"none"><br clear=3D"no=
ne">Is there a way to add custom request headers to each RHEVM API call?<br=
clear=3D"none"><br clear=3D"none">Here is an example of a request that I w=
ould like to do:<br clear=3D"none"><br clear=3D"none">$ curl -v -k \<br cle=
ar=3D"none"> -H "ID: <a rel=3D"nofollow" =
shape=3D"rect" ymailto=3D"mailto:user1@ad.xyz.com" target=3D"_blank" href=
=3D"mailto:user1@ad.xyz.com">user1(a)ad.xyz.com</a>" \<br clear=3D"none">&nbs=
p; -H "PASSWORD: Pwssd" \<br clear=3D"none">&nb=
sp; -H "TARGET: kobe" \<br clear=3D"none"> =
; <a rel=3D"nofollow" shape=3D"rect" target=3D"=
_blank" href=3D"https://vm0.smalick.com/api/hosts">https://vm0.smalick.com/=
api/hosts</a><br clear=3D"none"><br clear=3D"none"><br clear=3D"none">I wou=
ld like to add ID, PASSWORD and TARGET as HTTP request header. <br clear=3D=
"none"><br clear=3D"none">Thanks,<br clear=3D"none">Salifou<br clear=3D"non=
e"><br clear=3D"none"><br clear=3D"none"></div><br clear=3D"none"><br clear=
=3D"none"></div> </div> </div> </div></div></body></html>
------=_Part_258573_264923491.1445347258533--
9 years, 2 months
just joined the list
by Johan Vermeulen
Hello All,
I just joined the list and I can't wait to get " acquainted" with Ovirt
I have about 150 people for who I have to provide a workstation, Internet
access and accounts, and
solve all their problems. About 40 work on laptops, the others use
disk-less thin clients and ltsp.
I hope to replace the ltps-part with Ovirt and Spice.
The users are dispersed over some 15 locations.
The entire setup runs on Centos.
So far I've been looking at the Quick Start Guide, and got as far as
setting up nfs.
One thing would help a lot in this testing fase: I've set up the
Ovirt-engine in Virtualbox.
Is it also possible to configure and attach a ( Centos) host in Virtualbox?
Greetings, J.
9 years, 2 months
Creating a Instance
by Budur Nagaraju
HI ,
While a deploying a vm from the template ,its taking minimum 15 minutes is
there any ways to solve the issues ?
Thanks,
Nagaraju
9 years, 2 months
This VM is not managed by the engine
by Jaret Garcia
--=_223255a2b9290ae41a14342812244984
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Hi everyone,=0A=0AAfew weeks ago we had a problem with the SPM and all h=
ost in the=0Acluster got stocked in contending, we restarted hosts one b=
y one, and=0Athe issue was solved. Howerver we didn't notice that one se=
rver even=0Ait never stop running, it changed its state some way and the=
n no=0Achanges could be done to the VM, we tried to add more RAM and we=
saw=0Athe message "Cannot run VM. This VM is not managed by the engine"=
, so=0Awe ssh the VM an send it to reboot, and once we did that the VM n=
ever=0Acame back, we still see the VM in the engine administration but i=
t=0Adoes not show any information regarding to network, disk, and so. We=
=0Acreated another VM to replace the services in the one we lost, howeve=
r=0Awe need to recover the files in the lost VM, we believe the image=0A=
should be in the storage but we haven't found a way to recover it,=0Asom=
e time ago we came across a similar situation but at that time it=0Awas=
a NFS data domain, so it was easier for us to go inside the=0Astorage s=
erver an search for the VM ID to scp the image and mount it=0Asomewhere=
else, this time the storage is iscsi and even we found that=0Athe hosts=
mount the target in /rhev/data-center/mnt/blockSD/=C2=A0=C2=A0 we=0Aonl=
y see there the active images for the cluster, can anyone point us=0Ahow=
we can recover the lost image?=C2=A0 We know the VM ID and the Disk ID=
=0Afrom Ovirt.=0A=0AOur Setup=0Aovirt version: 3.5.4 hosted engine=0A4 s=
upermicro hosts running centos 7.1=0A1 iscsi storage server running Open=
-E DSS v7 Lite=0A=0AThanks in advance=0A=0AJaret=0AEmail sent using Pack=
et Mail - Email, Groupware and Calendaring for=0Athe cloud!
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<html><body style=3D"font-family: Helvetica,Arial,sans-serif; font-size:=
12px;">Hi everyone,<br><br>Afew weeks ago we had a problem with the SPM=
and all host in the cluster got stocked in contending, we restarted hos=
ts one by one, and the issue was solved. Howerver we didn't notice that=
one server even it never stop running, it changed its state some way an=
d then no changes could be done to the VM, we tried to add more RAM and=
we saw the message "Cannot run VM. This VM is not managed by the engine=
", so we ssh the VM an send it to reboot, and once we did that the VM ne=
ver came back, we still see the VM in the engine administration but it d=
oes not show any information regarding to network, disk, and so. We crea=
ted another VM to replace the services in the one we lost, however we ne=
ed to recover the files in the lost VM, we believe the image should be i=
n the storage but we haven't found a way to recover it, some time ago we=
came across a similar situation but at that time it was a NFS data doma=
in, so it was easier for us to go inside the storage server an search fo=
r the VM ID to scp the image and mount it somewhere else, this time the=
storage is iscsi and even we found that the hosts mount the target in /=
rhev/data-center/mnt/blockSD/=C2=A0=C2=A0 we only see there the active i=
mages for the cluster, can anyone point us how we can recover the lost i=
mage?=C2=A0 We know the VM ID and the Disk ID from Ovirt.<br><br>Our Set=
up<br>ovirt version: 3.5.4 hosted engine<br>4 supermicro hosts running c=
entos 7.1<br>1 iscsi storage server running Open-E DSS v7 Lite<br><br>Th=
anks in advance<br><br>Jaret<br>Email sent using Packet Mail - Email, Gr=
oupware and Calendaring for the cloud!</body></html>
--=_223255a2b9290ae41a14342812244984--
9 years, 2 months
Ha cluster 3 nodes but 1 slow
by Nicolas LIENARD
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Hi
Currently, i ve 3 nodes, 2 in same DC and a third in another DC.
They are all bridged together through a vpn.
I know a cluster is at least 3 nodes to satisfy the quorum.
My question is to know if i can have my VM balancing on the 2 fast nodes with HA and glusterfs replica 2.
And use the slow third node to satisfy quorum and a gluster geo-replication to act as a Backup.
Let me know if this is technically suitable with Ovirt.
Thanks a lot
Regards
Nico
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Hi<br>
<br>
Currently, i ve 3 nodes, 2 in same DC and a third in another DC. <br>
<br>
They are all bridged together through a vpn. <br>
<br>
I know a cluster is at least 3 nodes to satisfy the quorum. <br>
<br>
My question is to know if i can have my VM balancing on the 2 fast nodes with HA and glusterfs replica 2.<br>
<br>
And use the slow third node to satisfy quorum and a gluster geo-replication to act as a Backup.<br>
<br>
Let me know if this is technically suitable with Ovirt.<br>
<br>
Thanks a lot <br>
Regards <br>
Nico
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9 years, 2 months
how to remove orphaned image
by Jiří Sléžka
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Hello,
I have some orphaned images on a storage domain which are not visible=20
from manager and I would like to remove them.
I found one proposed feature which would be useful but seems not exists=20
yet - http://www.ovirt.org/Features/Orphaned_Images
Also I found this feature http://www.ovirt.org/Features/Domain_Scan but=20
there is no documentation how to use it.
Could you suggest me safe manual steps to remove an orphaned image?
btw. I know all info about this image - sdUUID, spUUID, imgUUID,=20
volUUID, volume path, logical volume on which is stored,... I am using=20
oVirt3.5.4
Thanks in advance,
Jiri Slezka
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9 years, 2 months
oVirt - High Availability
by Indunil Jayasooriya
Hi users,
I have setup OVIRT 3.5 with* 2 REDHAT 7.1 hosts.* Everything is ok other
than HA ( High Availability). To test HA, Documentation says, *Power
Management is needed. *
Could you pls let me know if this Power Management is a separate Device or
does it come with a BRANDED Server such as HP, IBM or Dell?
I have seen a* ILO* port in HP servers. Can I use it for HA ( High
Availability) in ovirt?
If *power management* is *present in Branded Servers*, Could you pls let
me know some *Branded RHEL 7.1/CentOS 7.1 supported servers?*
Then, I can use it for Production use.
*This is an YOU TUBE video for HA.*
https://www.youtube.com/watch?v=uHCnXGUMaS0
Is this a correct video for HA?
I did some research.
a few URLs.
http://lists.ovirt.org/pipermail/users/2013-January/011519.html
http://www.ovirt.org/OVirt_Administration_Guide#Host_Resilience
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtuali...
*what is **Soft-Fencing Hosts ?* ovirt doc gives below . (
http://www.ovirt.org/OVirt_Administration_Guide#Host_Resilience )
Soft-Fencing Hosts
Sometimes a host becomes non-responsive due to an unexpected problem, and
though VDSM is unable to respond to requests, the virtual machines that
depend upon VDSM remain alive and accessible. In these situations,
restarting VDSM returns VDSM to a responsive state and resolves this issue.
oVirt 3.3 introduces "soft-fencing over SSH". Prior to oVirt 3.3,
non-responsive hosts were fenced only by external fencing devices. In oVirt
3.3, the fencing process has been expanded to include "SSH Soft Fencing", a
process whereby oVirt attempts to restart VDSM via SSH on non-responsive
hosts. If oVirt fails to restart VDSM via SSH, the responsibility for
fencing falls to the external fencing agent if an external fencing agent
has been configured.
*BUT, It does NOT say how to set it up? *
*is there any step by step doc for it? *
HOPE TO hear from you?
--
cat /etc/motd
Thank you
Indunil Jayasooriya
http://www.theravadanet.net/
http://www.siyabas.lk/sinhala_how_to_install.html - Download Sinhala
Fonts
9 years, 2 months
glusterfsd is not not default enabled after a host installation
by Nathanaël Blanchet
Hello,
I noticed after several different installations that the glusterd daemon
was not configured as "systemctl enabled" during a host installation.
Is it a known bug?
--
Nathanaël Blanchet
Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr
9 years, 2 months
permission
by Budur Nagaraju
HI
I have given permissions "vmcreator and Diskprofileruser" to users
,whenever user remove the vm will the disk get deleted from the storage ?
Thanks,
Nagaraju
9 years, 2 months
