Problem adding disk to VM
by Juan Jose
Hello everybody,
I have oVirt Engine Version: 3.5.0.1-1.el6 in my installation and when I
create a new VM and try to add a virtual disk, the engine does not add the
virtual disk when I press OK button. Any message is generated in engine.log
file.
Is it a bug or any can give me some light about this issue?
Many thanks in advanced,
Juanjo.
10 years, 1 month
Re: [ovirt-users] Users Digest, Vol 41, Issue 66
by Massimo Mad
i tried it from my desktop windows 7 with firefox, and from another centos
6.5 with firefox, the problem is the manager there must be some process
that keep busy the cpu
Regards Massimo
2015-02-11 18:00 GMT+01:00 <users-request(a)ovirt.org>:
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>
> Today's Topics:
>
> 1. Ovirt 3.5.1, Windows 2008 hangs (wodel youchi)
> 2. Ovirt Manager Problem (Massimo Mad)
> 3. Re: Ovirt Manager Problem (Dan Yasny)
> 4. Re: Fenced hosts VM's never migrate (Martin Perina)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 11 Feb 2015 16:21:05 +0000 (UTC)
> From: wodel youchi <wodel_doom(a)yahoo.fr>
> To: "users(a)ovirt.org" <users(a)ovirt.org>
> Subject: [ovirt-users] Ovirt 3.5.1, Windows 2008 hangs
> Message-ID:
> <1779152952.3325811.1423671665990.JavaMail.yahoo(a)mail.yahoo.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi,
> I've a two nodes hosted-engine ovirt 3.5used storage is NFS4 for the:
> engine, vms, iso and export
> I have many Linux VMs and one Windows 2008 VM.
> The windows 2008 VMs is acting as a second AD, it's the second time in a
> month where the VM hangs and the cpu usage is 100%.I have this problem only
> with this VM only.
>
> I tried to look into vdsm logs, but no luck so far, all I found
> isGuestMonitor-Win2k8x64-AD2::DEBUG::2015-02-11
> 12:01:02,158::vm::486::vm.Vm::(_getUserCpuTuneInfo)
> vmId=`ce0bcb92-90e8-45a7-9b9f-cfed10e920d6`::Domain Metadata is not set
>
> Is there a log file where I can follow the behaviour of the VM, because
> for now I have no clue about what is causing this problem.
> any advice?
> PS: is there a good solution to gather and analyze all the logs from
> ovirt's hypervisors and engine, storage...etc?
>
> thanks in advance.
> -------------- next part --------------
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> >
>
> ------------------------------
>
> Message: 2
> Date: Wed, 11 Feb 2015 17:25:45 +0100
> From: Massimo Mad <mad1969it(a)gmail.com>
> To: "users(a)ovirt.org" <users(a)ovirt.org>
> Subject: [ovirt-users] Ovirt Manager Problem
> Message-ID:
> <CADXHJq+Cb526=
> Wmsku-6z6VBORmXuNewKPvDzQVrxS8gOGAnuQ(a)mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi, i have a strange problem,my manager is very slow and with the gui I can
> not do anything on the vm and the host, but the vm are ok.
> I tried to look at the log, but I have not seen anything that would explain
> the problem.
> Regards
> Massimo
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>
> ------------------------------
>
> Message: 3
> Date: Wed, 11 Feb 2015 11:30:58 -0500
> From: Dan Yasny <dyasny(a)gmail.com>
> To: Massimo Mad <mad1969it(a)gmail.com>
> Cc: "users(a)ovirt.org" <users(a)ovirt.org>
> Subject: Re: [ovirt-users] Ovirt Manager Problem
> Message-ID:
> <CALLXwb6NnqwDAx6S7Hc=
> N-Pk8kgMWMP09M8N6a2pP2kfA_7mfg(a)mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> What are you using to access the manager UI on the client (OS and browser)?
>
> On Wed, Feb 11, 2015 at 11:25 AM, Massimo Mad <mad1969it(a)gmail.com> wrote:
>
> > Hi, i have a strange problem,my manager is very slow and with the gui I
> > can not do anything on the vm and the host, but the vm are ok.
> > I tried to look at the log, but I have not seen anything that would
> explain
> > the problem.
> > Regards
> > Massimo
> >
> > _______________________________________________
> > Users mailing list
> > Users(a)ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
> >
> -------------- next part --------------
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> >
>
> ------------------------------
>
> Message: 4
> Date: Wed, 11 Feb 2015 11:46:48 -0500 (EST)
> From: Martin Perina <mperina(a)redhat.com>
> To: Siddharth Patil <siddharth(a)patil.co.uk>
> Cc: users(a)ovirt.org
> Subject: Re: [ovirt-users] Fenced hosts VM's never migrate
> Message-ID:
> <1203149157.10417665.1423673208005.JavaMail.zimbra(a)redhat.com>
> Content-Type: text/plain; charset=utf-8
>
> Hi,
>
> I looked at the logs and the reason why host vmh-02 wasn't
> restarted is that PM restart failed using both other hosts
> (vmh-01 and vmh-03) with error:
>
> Test Failed, [Powering off machine @ IPMI:10.9.1.11...Failed
>
> So we couldn't restart HA VMs on another hosts, because we were
> not sure that host vmh-02 is really down.
>
> I also noticed that even getting PM status of host vmh-02 is
> problematic, fence agent returned this message:
>
> Power Management test failed for Host vmh-02.Done
>
> but it also returned successful operation. This looks very very
> suspicious!
>
> Could you please execute following command from vmh-01 or vmh-03
> to test PM agent on vmh-02
>
> fence_ipmilan -a <IP> -l <USER> -p <PASSWORD> -o status -v -P
>
> where <IP>, <USER> and <PASSWORD> contains values valid for vmh-02?
>
>
> Could you please send us also vdsm.log from machines vmh-01 and
> vmh-03 so we could investigate details of fence agents execution
> failures?
>
> Thanks a lot
>
> Martin Perina
>
>
> ----- Original Message -----
> > From: "Siddharth Patil" <siddharth(a)patil.co.uk>
> > To: users(a)ovirt.org
> > Sent: Wednesday, February 11, 2015 5:17:28 PM
> > Subject: Re: [ovirt-users] Fenced hosts VM's never migrate
> >
> > On 11/02/15, 4:34 PM, Omer Frenkel wrote:
> > >
> > >
> > > ----- Original Message -----
> > >> From: "Tim Macy" <macytd(a)gmail.com>
> > >> To: users(a)ovirt.org
> > >> Sent: Tuesday, February 10, 2015 6:55:31 PM
> > >> Subject: [ovirt-users] Fenced hosts VM's never migrate
> > >>
> > >> I have a 3 host cluster setup with HA enabled and fencing enabled and
> it
> > >> appears to be working properly. Executing power management stop,
> start,
> > >> and
> > >> restart work along with host shutdown/restart following a simulated
> crash.
> > >> When network is pulled a proxy is chosen and it powers off the downed
> > >> host,
> > >> and then restarts it. Since the network is still down it repeats the
> > >> following in events:
> > >> "Host kvm01 is not responding. It will stay in Connecting state for a
> > >> grace
> > >> period of 162 seconds and after that an attempt to fence the host
> will be
> > >> issued."
> > >>
> > >> The real problem here is that the VM's on the host that has failed
> never
> > >> migrate to a new host and remain down until the network is
> reconnected.
> > >>
> > >
> > > once the host is powered off by the proxy, HA vms will be started (not
> > > migrated) on other host,
> > > if there are resources for it..
> > > if you have HA vms that are not started although there is another host
> > > available for it,
> > > it might be a bug, can you please attach engine.log from the time of
> the
> > > failure?
> > >
> > >> We have tested this with back-end storage on gluster and NFS with the
> same
> > >> result. This is on oVirt Engine Version: 3.5.1.1-1.el6. Hosts are on
> > >> CentOS
> > >> 7 and the Engine is standalone on CentOS 6.6.
> > >>
> > >>
> > >>
> > >> _______________________________________________
> > >> Users mailing list
> > >> Users(a)ovirt.org
> > >> http://lists.ovirt.org/mailman/listinfo/users
> > >>
> >
> > I've had the exact same problem during testing yesterday. The HA VMs
> > never restarted on the other available hosts. The only difference is
> > that we're using iSCSI storage backend.
> >
> > oVirt Engine Version: 3.5.1.1-1.el6 (hosted engine)
> > Host: CentOS 6.6
> >
> > Engine logs are attached.
> >
> > Thanks,
> > Siddharth
> >
> > _______________________________________________
> > Users mailing list
> > Users(a)ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>
>
> ------------------------------
>
> _______________________________________________
> Users mailing list
> Users(a)ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
> End of Users Digest, Vol 41, Issue 66
> *************************************
>
10 years, 1 month
Fenced hosts VM's never migrate
by Tim Macy
I have a 3 host cluster setup with HA enabled and fencing enabled and it
appears to be working properly. Executing power management stop, start,
and restart work along with host shutdown/restart following a simulated
crash. When network is pulled a proxy is chosen and it powers off the
downed host, and then restarts it. Since the network is still down it
repeats the following in events:
"Host kvm01 is not responding. It will stay in Connecting state for a grace
period of 162 seconds and after that an attempt to fence the host will be
issued."
The real problem here is that the VM's on the host that has failed never
migrate to a new host and remain down until the network is reconnected.
We have tested this with back-end storage on gluster and NFS with the same
result. This is on oVirt Engine Version: 3.5.1.1-1.el6. Hosts are on
CentOS 7 and the Engine is standalone on CentOS 6.6.
10 years, 1 month
VDSM hook for setting DSCP bits?
by Chris Adams
Is there a VDSM hook available that can set DSCP bits on a VM's network
interface? I want to do some QoS for some traffic across my network,
and it would be easier if I could set DSCP bits outside the VM.
I see vdsm-hook-qos, but that appears to just set bandwidth control in
the Linux host, not DSCP on packets for the rest of the network.
--
Chris Adams <cma(a)cmadams.net>
10 years, 1 month
oVirt Weekly Sync Meeting: February 11, 2015
by Brian Proffitt
=========================
#ovirt: oVirt Weekly Sync
=========================
Meeting started by bkp at 15:07:47 UTC. The full logs are available at
http://ovirt.org/meetings/ovirt/2015/ovirt.2015-02-11-15.07.log.html .
Minutes: http://ovirt.org/meetings/ovirt/2015/ovirt.2015-02-11-15.07.html
Minutes (text): http://ovirt.org/meetings/ovirt/2015/ovirt.2015-02-11-15.07.txt
Log: http://ovirt.org/meetings/ovirt/2015/ovirt.2015-02-11-15.07.log.html
Meeting summary
---------------
* Agenda and Roll Call (bkp, 15:07:47)
* infra update (bkp, 15:07:47)
* 3.4.z updates (bkp, 15:07:47)
* 3.5 status (bkp, 15:07:47)
* conferences and workshops (bkp, 15:07:49)
* other topics (bkp, 15:07:52)
* infra update (bkp, 15:09:25)
* infra Major Jenkins cleanup done, no production jobs are failing at
the moment w/o a real reason (bkp, 15:16:54)
* infra One job (upgrade 3.4->3.6) failing on bug 1161012 (bkp,
15:16:57)
* infra vdsm error codes mismatch, new bug opened 1191514 (bkp,
15:17:00)
* infra Two vdsm unit tests jobs failing also due to known issues
(bkp, 15:17:02)
* ACTION: infra We're nearing the point of no real errors on CI and
eedri asks everyone to start looking at failures on gerrit again and
not ignore them. Report any false positive error to the infra list
so we can investigate and fix. (bkp, 15:17:05)
* infra There has been major stabilization work done recently,
specifially with the move to the new phx lab (bkp, 15:17:09)
* infra dcaro will send an email tomorrow summarizing the details on
last week (bkp, 15:18:20)
* 3.5.z updates (bkp, 15:18:32)
* LINK: https://bugzilla.redhat.com/show_bug.cgi?id=1161012
(sbonazzo, 15:19:49)
* 3.5.z updates Full status here:
http://lists.ovirt.org/pipermail/users/2015-February/031258.html
(bkp, 15:22:17)
* 3.5.z updates First blocker for 3.5.2 appeared last week.
(https://bugzilla.redhat.com/show_bug.cgi?id=1161012) (bkp,
15:22:20)
* 3.6 status (bkp, 15:22:54)
* 3.6 status integration Full status here:
http://lists.ovirt.org/pipermail/users/2015-February/031260.html
(bkp, 15:26:37)
* 3.6 status integration ovirt-live rebased on EL7! (bkp, 15:26:40)
* 3.6 status integration Other features for 3.6 are still in progress,
FiberChannel support for HE will be probably completed next week
(bkp, 15:26:42)
* 3.6 status virt SIG meeting logs are here:
http://www.centos.org/minutes/2015/february/centos-devel.2015-02-10-14.03...
(bkp, 15:33:48)
* 3.6 status virt qemu-kvm-rhev has been built in centos koji server
but has been rejected due to the -rhev suffix. More work will need
to be done on it (bkp, 15:33:51)
* 3.6 status virt SIG also discussed rpm packaging for centos, and it
seems that the same guidelines requested by fedora are in place.
This means it will take lot of time before ovirt will be available
in centos repos (bkp, 15:33:54)
* 3.6 status virt Plan for now is to resolve the qemu-kvm naming and
have vdsm in centos repo; the engine will follow slowly (bkp,
15:33:58)
* 3.6 status storage Cinder/Ceph integration coming along nicely,
working on a tesk-centric poc for removing spm (bkp, 15:37:02)
* 3.6 status storage lsm between storage types coming along nicely
although we identified some gaps in libvirt (was escalated to them)
(bkp, 15:37:05)
* 3.6 status storage Other smaller RFEs progressing, closed a bunch
already, and working on some more. (bkp, 15:37:08)
* 3.6 status infra No updates at this time. (bkp, 15:40:35)
* 3.6 status network Two more features have been merged, management
network as a role and cumulative network usage statistics
(highlighted recently on mailing list). (bkp, 15:42:39)
* 3.6 status network Other features are moving along, not much to
update. (bkp, 15:42:42)
* 3.6 status sla Not much on going on 3.6. Work on quota REST api has
started (bkp, 15:45:49)
* 3.6 status vdsm No updates this week. (bkp, 15:49:13)
* 3.6 status ux No updates this week. (bkp, 15:50:55)
* Conferences and Workshops (bkp, 15:51:20)
* Conferences and Workshops Linux Collab Summit is next week in Santa
Rosa, CA. bkp will be presenting an oVirt Status Update to the Open
Virtualization Alliance, as well as a talk on Containers v. VMs.
(bkp, 15:52:14)
* Conferences and Workshops jbrooks will be speaking about smart
scheduling at SCALE next weekend in LA, and bkp will be talking
about the differences between scale up and out, as well as
delivering the Containers/VMs presentation again at the
SCALE:Infrastructure.Next miniconf. (bkp, 15:52:18)
* Conferences and Workshops mlipchuk has his talk on Disaster Recovery
in oVirt accepted for the FOSSAsia conference, so it looks like he
will be joining bkp in Singapore in mid-March. (bkp, 15:52:23)
* Conferences and Workshops gshereme will be speaking on "Using
Bootstrap with Google Web Toolkit" as POSSCON in South Carolina on
April 14-15. (bkp, 15:52:27)
* Other Topics (bkp, 15:53:45)
* Other Topics bkp very pleased to report that oVirt *can* partcipate
in the 2015 Google Summer of Code. Information is here
(http://lists.ovirt.org/pipermail/users/2015-February/031225.html).
(bkp, 15:54:41)
* Other Topics bkp very pleased to report that oVirt *can* partcipate
in the 2015 Google Summer of Code. Information is here
(http://lists.ovirt.org/pipermail/users/2015-February/031225.html).
(bkp, 15:54:54)
* ACTION: Other Topics The deadline for GSoC project/mentor submission
is 1900 UTC on Feb. 20, 2015. So please get your ideas in to our
Ideas page (http://www.ovirt.org/Summer_of_Code) *and* the GSoC 2015
site by then. Once they give us a number of projects slots, we can
determine which projects will get the go ahead. (bkp, 15:55:12)
* ACTION: Other Topics Also, if you register as a mentor with a
project, send bkp your GSoC username so bkp can link you to the
oVirt organization on the GSoC site. (bkp, 15:55:30)
* ACTION: Other Topics One more thing: bkp needs someone to act as a
backup administrator for the oVirt organization, which is
essentially someone to get a hold of students and mentors about
deadlines and such if he can't do it. If interested, contact bkp as
soon as possible. Admins *cannot* be mentors, too, so think
carefully. (bkp, 15:55:43)
* Other Topics bkp is hearing good things about our current round
within the GNOME Outreach Program for Women. We *are* planning to
enter the next round, details to follow. (bkp, 15:56:20)
* Other Topics Speaking of OPW, voting will close for officially
making moVirt an incubator subproject within oVirt today.
Announcement to follow. (bkp, 15:56:37)
* Other Topics The design team and the documentation team are still
hashing out the details of revamping our site. It is clear that we
will use markdown as the base format for content that is *not*
documentation. The format for documentation will need to be
something more robust, so downstream providers will have metadata
with which they can create their products' docs. (bkp, 15:56:56)
* ACTION: Other Topics A general reminder: blog entries are (always)
needed. tl,dr: MOAR BLOGS!! (bkp, 15:57:19)
* Other Topics Slides from past conferences should be uploaded to
oVirt.org. If you do not want to do it, send slide file to bkp and
he will handle it. (bkp, 16:01:22)
Meeting ended at 16:04:14 UTC.
Action Items
------------
* infra We're nearing the point of no real errors on CI and eedri asks
everyone to start looking at failures on gerrit again and not ignore
them. Report any false positive error to the infra list so we can
investigate and fix.
* Other Topics The deadline for GSoC project/mentor submission is 1900
UTC on Feb. 20, 2015. So please get your ideas in to our Ideas page
(http://www.ovirt.org/Summer_of_Code) *and* the GSoC 2015 site by
then. Once they give us a number of projects slots, we can determine
which projects will get the go ahead.
* Other Topics Also, if you register as a mentor with a project, send
bkp your GSoC username so bkp can link you to the oVirt organization
on the GSoC site.
* Other Topics One more thing: bkp needs someone to act as a backup
administrator for the oVirt organization, which is essentially someone
to get a hold of students and mentors about deadlines and such if he
can't do it. If interested, contact bkp as soon as possible. Admins
*cannot* be mentors, too, so think carefully.
* Other Topics A general reminder: blog entries are (always) needed.
tl,dr: MOAR BLOGS!!
Action Items, by person
-----------------------
* bkp
* Other Topics Also, if you register as a mentor with a project, send
bkp your GSoC username so bkp can link you to the oVirt organization
on the GSoC site.
* Other Topics One more thing: bkp needs someone to act as a backup
administrator for the oVirt organization, which is essentially
someone to get a hold of students and mentors about deadlines and
such if he can't do it. If interested, contact bkp as soon as
possible. Admins *cannot* be mentors, too, so think carefully.
* eedri
* infra We're nearing the point of no real errors on CI and eedri asks
everyone to start looking at failures on gerrit again and not ignore
them. Report any false positive error to the infra list so we can
investigate and fix.
* **UNASSIGNED**
* Other Topics The deadline for GSoC project/mentor submission is 1900
UTC on Feb. 20, 2015. So please get your ideas in to our Ideas page
(http://www.ovirt.org/Summer_of_Code) *and* the GSoC 2015 site by
then. Once they give us a number of projects slots, we can determine
which projects will get the go ahead.
* Other Topics A general reminder: blog entries are (always) needed.
tl,dr: MOAR BLOGS!!
People Present (lines said)
---------------------------
* bkp (116)
* sbonazzo (21)
* lvernia (15)
* eedri (9)
* amureini (8)
* rgolan (4)
* ovirtbot (3)
* pkliczew (2)
* dcaro (1)
* ecohen (1)
Generated by `MeetBot`_ 0.1.4
.. _`MeetBot`: http://wiki.debian.org/MeetBot
--
Brian Proffitt
Community Liaison
oVirt
Open Source and Standards, Red Hat - http://community.redhat.com
Phone: +1 574 383 9BKP
IRC: bkp @ OFTC
10 years, 1 month
Can't remove snapshot due to low disk space on storage domain?
by Rik Theys
Hi,
I'm running the ovirt engine 3.4 series. I've created a snapshot of a VM
with an OS and data disk before upgrading the machine.
The upgrade went fine and I now want to remove the snapshot.
Unfortunately this fails with the error:
"Cannot remove Snapshot. Low disk space on target Storage Domain
stadius-virt2_PERC."
So I can't free disk space by removing the snapshot because I don't have
enough space?
When I look at the VM the disks are shown as preallocated (which is what
I selected during installation). When I look at the storage tab and list
the disks in my storage domain, the disks are now shown as thin
provisioned with the actual size > virtual size.
How can I remove this snapshot? I don't have enough free disk space in
my storage domain to duplicate the data disk of my VM.
Regards,
Rik
--
Rik Theys
System Engineer
KU Leuven - Dept. Elektrotechniek (ESAT)
Kasteelpark Arenberg 10 bus 2440 - B-3001 Leuven-Heverlee
+32(0)16/32.11.07
----------------------------------------------------------------
<<Any errors in spelling, tact or fact are transmission errors>>
10 years, 1 month
importing iscsi storage domain
by Steven M. Bellistri
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I am trying to test failing over to a DR site using the storage domain =
import. The DR site shows that it imported the iscsi storage domain, and =
activates it in the datacenter, but none of the vm's or anything shows up. =
What am I missing.
thanks
Steven Bellistri
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information and/or protected health information (PHI) intended solely for =
the use of LDI Integrated Pharmacy Services and the recipient(s) named =
above. If you are not the recipient, or the employee or agent responsible =
for delivering this message to the intended recipient, you are hereby =
notified that any review, dissemination, distribution, printing or copying =
of this email message and/or any attachments is strictly prohibited. If =
you have received this transmission in error, please notify the sender =
immediately at 1-866-516-3121 and permanently delete this email and any =
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<p class=3D=22MsoNormal=22>I am trying to test failing over to a DR site =
using the storage domain import. The DR site shows that it imported =
the iscsi storage domain, and activates it in the datacenter, but none of =
the vm&=238217;s or anything shows up. What am I =
missing.<o:p></o:p></p>
<p class=3D=22MsoNormal=22><o:p> </o:p></p>
<p class=3D=22MsoNormal=22>thanks<o:p></o:p></p>
<p class=3D=22MsoNormal=22><o:p> </o:p></p>
<p class=3D=22MsoNormal=22>Steven Bellistri<o:p></o:p></p>
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10 years, 1 month
[QE][ACTION REQUIRED] oVirt 3.6.0 status
by Sandro Bonazzola
Hi, here's an update on 3.6 status on integration / rel-eng side
ACTION: Feature proposed for 3.6.0 must now be collected in the 3.6 Google doc [1] and reviewed by maintainers.
Finished the review process, the remaining key milestones for this release will be scheduled.
For reference, external project schedules we're tracking are:
Fedora 22: 2015-05-19
Fedora 20 End Of Life:2015-06-19 (1 month after Fedora 22 release)
Foreman 1.8.0: 2015-04-01
GlusterFS 3.7: 2015-04-29
OpenStack Kilo: 2015-04-30
QEMU 2.3.0: 2015-03-27
The tracker bug for 3.6.0 [2] currently shows no blockers.
There are 545 bugs [3] targeted to 3.6.0.
Excluding node and documentation bugs we have 503 bugs [4] targeted to 3.6.0.
NEW ASSIGNED POST Total
1 0 0 1
docs 11 0 0 11
gluster 25 2 1 28
i18n 2 0 0 2
infra 80 10 3 93
integration 59 4 2 65
network 29 2 8 39
node 26 2 3 31
ppc 0 0 1 1
sla 56 3 1 60
spice 1 0 0 1
storage 76 4 5 85
ux 35 1 3 39
virt 74 6 9 89
Total 475 34 36 545
oVirt Live for 3.6 has been rebased on EL7. Nightly builds are available here: http://jenkins.ovirt.org/job/ovirt_live_create_iso/
[1] http://goo.gl/9X3G49
[2] https://bugzilla.redhat.com/show_bug.cgi?id=1155425
[3] https://bugzilla.redhat.com/buglist.cgi?quicksearch=target_release%3A3.6....
[4] http://goo.gl/ZbUiMc
--
Sandro Bonazzola
Better technology. Faster innovation. Powered by community collaboration.
See how it works at redhat.com
10 years, 1 month
[QE][ACTION REQUIRED] oVirt 3.5.2 RC status
by Sandro Bonazzola
Hi,
We're going to start composing oVirt 3.5.2 RC on *2015-02-25 08:00 UTC* from 3.5 branch.
Maintainers:
- Please be sure that 3.5 snapshot allow to create VMs before *2015-02-24 15:00 UTC*
- Please be sure that no pending patches are going to block the release before *2015-02-24 15:00 UTC*
- If any patch must block the RC release please raise the issue as soon as possible.
A release management entry has been added for tracking the schedule of 3.5.2 [0]
A bug tracker [1] has been created and currently has one open blocker.
Bug ID Whiteboard Status Summary
1161012 infra POST task cleaning utility should erase commands that have running tasks
There are still 43 bugs [2] targeted to 3.5.2.
Excluding node and documentation bugs we still have 35 bugs [3] targeted to 3.5.2.
Whiteboard / Status NEW ASSIGNED POST Total
docs 1 0 0 1
gluster 4 0 1 5
infra 1 1 3 5
integration 9 0 0 9
network 0 1 0 1
node 3 0 1 4
ppc 0 0 1 1
sla 4 0 0 4
storage 8 0 1 9
ux 1 0 0 1
virt 2 0 1 3
Total 33 2 8 43
Maintainers / Assignee:
- Please add the bugs to the tracker if you think that 3.5.2 should not be released without them fixed.
- Please update the target to 3.5.3 or later for bugs that won't be in 3.5.2:
it will ease gathering the blocking bugs for next releases.
- Please fill release notes, the page has been created here [4]
Community:
- If you're testing oVirt 3.5 nightly snapshot, please add yourself to the test page [5]
[0] http://www.ovirt.org/OVirt_3.5.z_Release_Management#oVirt_3.5.2
[1] http://bugzilla.redhat.com/1186161
[2] http://goo.gl/crVJPH
[3] http://goo.gl/2qTZZU
[4] http://www.ovirt.org/OVirt_3.5.2_Release_Notes
[5] http://www.ovirt.org/Testing/oVirt_3.5.2_Testing
--
Sandro Bonazzola
Better technology. Faster innovation. Powered by community collaboration.
See how it works at redhat.com
10 years, 1 month
virtual disk terminology in oVirt/RHEV improvements needed?
by Gianluca Cecchi
Hello,
in my opinion the terms
raw, qcow2, thin provisioned, sparse, preallocated
are used in sub optimal way in oVirt and RHEV documentation and create
confusion for the new incoming user (but not only to him/her)
My referrals for them are:
oVirt Admin Guide at:
http://www.ovirt.org/OVirt_Administration_Guide
and the draft RHEV 3.5:
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtuali...
Sometimes I have to come back to docs to clear my doubts and I'm never
fully satisfied.
I report below only some excerpts to explain my findings
oVirt
1) Virtual disks can have one of two formats, either Qcow2 or RAW. The type
of storage can be either Sparse or Preallocated. Snapshots are always
sparse but can be taken for disks created either as RAW or sparse.
--> From above one concludes that "format" is one thing and "type" is
another thing and that all the mix format/type are in general possible
(depending on storage layout... see below): Qcow2/Sparse, RAW/Prellocated,
Qcow2/Preallocated, RAW/Sparse
But then, both in Ovirt and RHEV page
2) A virtual disk with a preallocated (RAW) format has significantly faster
write speeds than a virtual disk with a thin provisioning (Qcow2) format.
Thin provisioning takes significantly less time to create a virtual disk.
The thin provision format is suitable for non-IO intensive virtual machines.
--> now one concludes instead that format==type and that so
preallocated==RAW
thin provisioning==Qcow2
and also indirectly that thin provisioning == sparse because in point 1)
the term sparse was the one used..
Indeed later, in section 12.2 of RHEV and in section "Understanding Virtual
Disks" of oVirt guide there is the classification of the 2 "types" again,
Preallocated and Thin Provisioned and the latter contains:
"For sparse virtual disks backing storage is not reserved and is allocated
as needed during runtime. This allows for storage overcommitment ..."
And this confirms that sparse==thin provisioned
In the same part for both docs
3) Table 11.1. Permitted Storage Combinations for oVirt and
Table 12.1. Permitted Storage Combinations for RHEV
Again there are almost-all the combinations described:
For file based storage (NFS) only Qcow2/Preallocated is not contemplated
For iSCSI/SAN only RAW/Sparse is not contemplated
4) Gluster
last but not least, It is not clear in my opinion where should be put
Gluster (file based or SAN based)... I think that depending on
POSIXFS_DOMAIN (pre 3.5, correct?) or GLUSTERFS_DOMAIN usage it could match
both of them....
As far as format, it seems both qcow2 and raw are possible
This message is just to share my uncertainty when I have to deal with disks
in oVirt and explain/compare with VMware, to make it possible to simplify
life to new users.
Coming from VMware world they know about:
- thin provision
- thick provision (lazy zeroed)
- thick provision (eager zeroed)
see also:
https://pubs.vmware.com/vsphere-50/index.jsp?topic=%2Fcom.vmware.vsphere....
In my opinion it could be useful to have a preface with a short description
of all the terminology that will be used
HIH improving docs,
Gianluca
10 years, 1 month
