Re: [Users] oVirt or RHEV ?
Martijn Grendelman schreef op 6-2-2014 17:02:
Hi,
Dan Yasny schreef op 6-2-2014 16:38:
This is the same question as in RHEL or Fedora IMO: do you want the bleeding edge features and lower code stability and reliability, or do you want to have techsupport (and that means a real SLA and an escalation path up to the engineering, if need be) behind you, stable and reliable, well tested code, but less of the advanced features.
Thank you, this is what I thought.
It's still a hard decision. If the stability and "testedness" of RHEL is anything to go by, it's not reassuring at all (although it may be better than Fedora, I don't know), although I must say that RedHat support is helpful at times.
Thanks again, I think I know enough :-)
Or not ;-) Would it be possible (and doable) to migrate from oVirt to RHEV? If we start out with oVirt, but after some time we decide that RHEV would be a better fit after all, would it be possible to hook up existing oVirt/VDSM hosts to a RHEV engine, or am I thinking way too simple now? Cheers, Martijn.
On Thu, Feb 6, 2014 at 8:06 AM, Martijn Grendelman <martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl>> wrote:
Hi,
This may be the wrong place to ask, but I'm looking for input to form an opinion on an "oVirt or RHEV" question within my company.
I have been running oVirt for about 5 months now, and I'm quite comfortable with its features and maintenance procedures. We are now planning to build a private virtualization cluster for hosting clients' applications as well as our own. Some people in the company are questioning whether we should buy RHEV, but at this point, I can't see the benefits.
Can anyone on this list shed a light on when RHEV might be a better choice than oVirt? What are the benefits? The trade-offs?
I am looking for pragmatic, real-world things, not marketing mumbo jumbo. That, I can get from redhat.com <http://redhat.com> ;-)
Best regards, Martijn. _______________________________________________ Users mailing list Users@ovirt.org <mailto:Users@ovirt.org> http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
I haven't tried it recently, but last time I did, the export domains were compatible. Worst case, you can always do a manual disk move On Thu, Feb 6, 2014 at 9:18 AM, Martijn Grendelman < martijn.grendelman@isaac.nl> wrote:
Martijn Grendelman schreef op 6-2-2014 17:02:
Hi,
Dan Yasny schreef op 6-2-2014 16:38:
This is the same question as in RHEL or Fedora IMO: do you want the bleeding edge features and lower code stability and reliability, or do you want to have techsupport (and that means a real SLA and an escalation path up to the engineering, if need be) behind you, stable and reliable, well tested code, but less of the advanced features.
Thank you, this is what I thought.
It's still a hard decision. If the stability and "testedness" of RHEL is anything to go by, it's not reassuring at all (although it may be better than Fedora, I don't know), although I must say that RedHat support is helpful at times.
Thanks again, I think I know enough :-)
Or not ;-)
Would it be possible (and doable) to migrate from oVirt to RHEV?
If we start out with oVirt, but after some time we decide that RHEV would be a better fit after all, would it be possible to hook up existing oVirt/VDSM hosts to a RHEV engine, or am I thinking way too simple now?
Cheers, Martijn.
On Thu, Feb 6, 2014 at 8:06 AM, Martijn Grendelman <martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl>>
wrote:
Hi,
This may be the wrong place to ask, but I'm looking for input to
form an
opinion on an "oVirt or RHEV" question within my company.
I have been running oVirt for about 5 months now, and I'm quite comfortable with its features and maintenance procedures. We are now planning to build a private virtualization cluster for hosting
clients'
applications as well as our own. Some people in the company are questioning whether we should buy RHEV, but at this point, I can't
see
the benefits.
Can anyone on this list shed a light on when RHEV might be a better choice than oVirt? What are the benefits? The trade-offs?
I am looking for pragmatic, real-world things, not marketing mumbo jumbo. That, I can get from redhat.com <http://redhat.com> ;-)
Best regards, Martijn. _______________________________________________ Users mailing list Users@ovirt.org <mailto:Users@ovirt.org> http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
On 02/06/2014 06:21 PM, Dan Yasny wrote:
I haven't tried it recently, but last time I did, the export domains were compatible. Worst case, you can always do a manual disk move
there is no direct upgrade path, though it may work. for now export/import should be ok. a maybe on the future detach/attach storage domain use case (not implemented yet).
On Thu, Feb 6, 2014 at 9:18 AM, Martijn Grendelman <martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl>> wrote:
Martijn Grendelman schreef op 6-2-2014 17:02: > Hi, > > Dan Yasny schreef op 6-2-2014 16:38: >> This is the same question as in RHEL or Fedora IMO: do you want the >> bleeding edge features and lower code stability and reliability, or do >> you want to have techsupport (and that means a real SLA and an >> escalation path up to the engineering, if need be) behind you, stable >> and reliable, well tested code, but less of the advanced features. > > Thank you, this is what I thought. > > It's still a hard decision. If the stability and "testedness" of RHEL is > anything to go by, it's not reassuring at all (although it may be better > than Fedora, I don't know), although I must say that RedHat support is > helpful at times. > > Thanks again, I think I know enough :-)
Or not ;-)
Would it be possible (and doable) to migrate from oVirt to RHEV?
If we start out with oVirt, but after some time we decide that RHEV would be a better fit after all, would it be possible to hook up existing oVirt/VDSM hosts to a RHEV engine, or am I thinking way too simple now?
Cheers, Martijn.
>> >> >> On Thu, Feb 6, 2014 at 8:06 AM, Martijn Grendelman >> <martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl> <mailto:martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl>>> wrote: >> >> Hi, >> >> This may be the wrong place to ask, but I'm looking for input to form an >> opinion on an "oVirt or RHEV" question within my company. >> >> I have been running oVirt for about 5 months now, and I'm quite >> comfortable with its features and maintenance procedures. We are now >> planning to build a private virtualization cluster for hosting clients' >> applications as well as our own. Some people in the company are >> questioning whether we should buy RHEV, but at this point, I can't see >> the benefits. >> >> Can anyone on this list shed a light on when RHEV might be a better >> choice than oVirt? What are the benefits? The trade-offs? >> >> I am looking for pragmatic, real-world things, not marketing mumbo >> jumbo. That, I can get from redhat.com <http://redhat.com> <http://redhat.com> ;-) >> >> Best regards, >> Martijn. >> _______________________________________________ >> Users mailing list >> Users@ovirt.org <mailto:Users@ovirt.org> <mailto:Users@ovirt.org <mailto:Users@ovirt.org>> >> http://lists.ovirt.org/mailman/listinfo/users >> >> > _______________________________________________ > Users mailing list > Users@ovirt.org <mailto:Users@ovirt.org> > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users@ovirt.org <mailto:Users@ovirt.org> http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
On Thu, 2014-02-06 at 20:52 +0200, Itamar Heim wrote:
On 02/06/2014 06:21 PM, Dan Yasny wrote:
I haven't tried it recently, but last time I did, the export domains were compatible. Worst case, you can always do a manual disk move
there is no direct upgrade path, though it may work. for now export/import should be ok. a maybe on the future detach/attach storage domain use case (not implemented yet).
I also have an export domain which is connected to oVirt 3.3 and RHEV 3.2 where I can move vms between these environments. With the export domain you can also do a migration. Depending on the version (e.g. oVirt 3.3 vs RHEV 3.2) you have to manually edit the ovf, as there are newer/other settings in oVirt then in RHEV and RHEV want recognize the exported vm. So migration can be a little tricky, but it's doable. Regards, René
On Thu, Feb 6, 2014 at 9:18 AM, Martijn Grendelman <martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl>> wrote:
Martijn Grendelman schreef op 6-2-2014 17:02: > Hi, > > Dan Yasny schreef op 6-2-2014 16:38: >> This is the same question as in RHEL or Fedora IMO: do you want the >> bleeding edge features and lower code stability and reliability, or do >> you want to have techsupport (and that means a real SLA and an >> escalation path up to the engineering, if need be) behind you, stable >> and reliable, well tested code, but less of the advanced features. > > Thank you, this is what I thought. > > It's still a hard decision. If the stability and "testedness" of RHEL is > anything to go by, it's not reassuring at all (although it may be better > than Fedora, I don't know), although I must say that RedHat support is > helpful at times. > > Thanks again, I think I know enough :-)
Or not ;-)
Would it be possible (and doable) to migrate from oVirt to RHEV?
If we start out with oVirt, but after some time we decide that RHEV would be a better fit after all, would it be possible to hook up existing oVirt/VDSM hosts to a RHEV engine, or am I thinking way too simple now?
Cheers, Martijn.
>> >> >> On Thu, Feb 6, 2014 at 8:06 AM, Martijn Grendelman >> <martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl> <mailto:martijn.grendelman@isaac.nl <mailto:martijn.grendelman@isaac.nl>>> wrote: >> >> Hi, >> >> This may be the wrong place to ask, but I'm looking for input to form an >> opinion on an "oVirt or RHEV" question within my company. >> >> I have been running oVirt for about 5 months now, and I'm quite >> comfortable with its features and maintenance procedures. We are now >> planning to build a private virtualization cluster for hosting clients' >> applications as well as our own. Some people in the company are >> questioning whether we should buy RHEV, but at this point, I can't see >> the benefits. >> >> Can anyone on this list shed a light on when RHEV might be a better >> choice than oVirt? What are the benefits? The trade-offs? >> >> I am looking for pragmatic, real-world things, not marketing mumbo >> jumbo. That, I can get from redhat.com <http://redhat.com> <http://redhat.com> ;-) >> >> Best regards, >> Martijn. >> _______________________________________________ >> Users mailing list >> Users@ovirt.org <mailto:Users@ovirt.org> <mailto:Users@ovirt.org <mailto:Users@ovirt.org>> >> http://lists.ovirt.org/mailman/listinfo/users >> >> > _______________________________________________ > Users mailing list > Users@ovirt.org <mailto:Users@ovirt.org> > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users@ovirt.org <mailto:Users@ovirt.org> http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
_______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Hi, On 02/06/2014 05:18 PM, Martijn Grendelman wrote:
Would it be possible (and doable) to migrate from oVirt to RHEV?
If we start out with oVirt, but after some time we decide that RHEV would be a better fit after all, would it be possible to hook up existing oVirt/VDSM hosts to a RHEV engine, or am I thinking way too simple now?
My understanding is that you can manage oVirt Node with RHEV-M. That isn't a long term solution, but it allows you to: - Point RHEV-M at the oVirt export domains - Shut down oVirt Engine - Provision some RHEV-H hypervisors - Live migrate workloads from oVirt Node to RHEV-H - Shut down oVirt Nodes and move to RHEV-H when they're empty I think that someone from the oVirt/RHEV team would have to validate this approach, but it seems to me that this should work. Cheers, Dave. -- Dave Neary, Lyon, France Email: dneary@gnome.org / Jabber: nearyd@gmail.com Ph: +33 950 71 55 62 / Cell: +33 6 77 01 92 13
On 02/06/2014 08:35 PM, Dave Neary wrote:
Hi,
On 02/06/2014 05:18 PM, Martijn Grendelman wrote:
Would it be possible (and doable) to migrate from oVirt to RHEV?
If we start out with oVirt, but after some time we decide that RHEV would be a better fit after all, would it be possible to hook up existing oVirt/VDSM hosts to a RHEV engine, or am I thinking way too simple now?
My understanding is that you can manage oVirt Node with RHEV-M. That isn't a long term solution, but it allows you to:
- Point RHEV-M at the oVirt export domains - Shut down oVirt Engine - Provision some RHEV-H hypervisors - Live migrate workloads from oVirt Node to RHEV-H - Shut down oVirt Nodes and move to RHEV-H when they're empty
I think that someone from the oVirt/RHEV team would have to validate this approach, but it seems to me that this should work.
Cheers, Dave.
oVirt node is not supported with RHEV-M, only RHEL as a hypervisor or RHEV-H. export/import of VMs should be ok. as i just replied, attach/detach of a storage domain may be relevant as well when will be implemented (tbd)
Hi, On 02/06/2014 07:54 PM, Itamar Heim wrote:
On 02/06/2014 08:35 PM, Dave Neary wrote:
My understanding is that you can manage oVirt Node with RHEV-M. That isn't a long term solution, but it allows you to:
oVirt node is not supported with RHEV-M, only RHEL as a hypervisor or RHEV-H.
I didn't say it was supported, only that it could work. Would anything break in this scenario?
export/import of VMs should be ok. as i just replied, attach/detach of a storage domain may be relevant as well when will be implemented (tbd)
Thanks for the correction - I had forgotten storage, indeed. Cheers, Dave. -- Dave Neary - Community Action and Impact Open Source and Standards, Red Hat - http://community.redhat.com Ph: +33 9 50 71 55 62 / Cell: +33 6 77 01 92 13
participants (6)
-
Dan Yasny -
Dave Neary -
Dave Neary -
Itamar Heim -
Martijn Grendelman -
René Koch