Re: [ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Robert Story]

On Wed, 4 Nov 2015 19:16:58 -0500 Itamar wrote:
IH> On 11/02/2015 10:14 AM, Robert Story wrote:
IH> > On Fri, 30 Oct 2015 18:58:33 -0400 Liam wrote:
IH> > LC> Tried setting up NFS ISO domain which works on one host/local
IH> > LC> datacenter. I do not want to have to have multiple copies of iso
IH> > LC> files on all hosts. If I try to import pre-existing ISO domain, I
IH> > LC> either get an error that storage path exists or the dialog just
IH> > LC> does nothing.
IH> >
IH> > I had the same goal, but for multiple independent ovirt installs. My
IH> > work-around is to deal with it outside ovirt.
IH> >
IH> > - create generic nfs export for my iso mirrors
IH> > - create iso export points for each install
IH> > - add iso mount to each install
IH> > - manually (or using puppet, etc) add mirror mount on each host node
IH> > - run a script that creates a symlink in each ovirt iso mirror for
IH> > all the isos in the mirror export
IH> >- 3.5 handles iso images in subdirectories, but 3.4 does not [1],
IH> > so the script creates symlinks for every iso image in the top level
IH> > of the iso export for 3.4, while only needing a symlnk to the distro
IH> > directory fro 3.5.
IH> >
IH> > It's a hack, but it works.
IH> 
IH> This should work without any hacks. An ISO domain can be shared between 
IH> multiple DCs or Engines.
IH> Tal?

When I try and create an iso domain with the same NFS path as another
domain I get 'the selected storage path is not empty[...] Either remove the
existing Storage Domain from this path, or change the storage path.'

Robert

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Re: [ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Itamar Heim]

Import existing, don't try to create one.
Tal - maybe instead of error we should detect and ask user for ISO domain if 
they meant to import.

On Nov 5, 2015 9:03 AM, Robert Story  wrote:
>
> On Wed, 4 Nov 2015 19:16:58 -0500 Itamar wrote: 
> IH> On 11/02/2015 10:14 AM, Robert Story wrote: 
> IH> > On Fri, 30 Oct 2015 18:58:33 -0400 Liam wrote: 
> IH> > LC> Tried setting up NFS ISO domain which works on one host/local 
> IH> > LC> datacenter. I do not want to have to have multiple copies of iso 
> IH> > LC> files on all hosts. If I try to import pre-existing ISO domain, I 
> IH> > LC> either get an error that storage path exists or the dialog just 
> IH> > LC> does nothing. 
> IH> > 
> IH> > I had the same goal, but for multiple independent ovirt installs. My 
> IH> > work-around is to deal with it outside ovirt. 
> IH> > 
> IH> > - create generic nfs export for my iso mirrors 
> IH> > - create iso export points for each install 
> IH> > - add iso mount to each install 
> IH> > - manually (or using puppet, etc) add mirror mount on each host node 
> IH> > - run a script that creates a symlink in each ovirt iso mirror for 
> IH> > all the isos in the mirror export 
> IH> >    - 3.5 handles iso images in subdirectories, but 3.4 does not [1], 
> IH> > so the script creates symlinks for every iso image in the top level 
> IH> > of the iso export for 3.4, while only needing a symlnk to the distro 
> IH> > directory fro 3.5. 
> IH> > 
> IH> > It's a hack, but it works. 
> IH> 
> IH> This should work without any hacks. An ISO domain can be shared between 
> IH> multiple DCs or Engines. 
> IH> Tal? 
>
> When I try and create an iso domain with the same NFS path as another 
> domain I get 'the selected storage path is not empty[...] Either remove the 
> existing Storage Domain from this path, or change the storage path.' 
>
> Robert 
>
> -- 
> Senior Software Engineer @ Parsons 
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Re: [ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Itamar Heim]

On 11/02/2015 10:14 AM, Robert Story wrote:

On Fri, 30 Oct 2015 18:58:33 -0400 Liam wrote:
LC> Tried setting up NFS ISO domain which works on one host/local
LC> datacenter. I do not want to have to have multiple copies of iso files
LC> on all hosts. If I try to import pre-existing ISO domain, I either get
LC> an error that storage path exists or the dialog just does nothing.

I had the same goal, but for multiple independent ovirt installs. My
work-around is to deal with it outside ovirt.

- create generic nfs export for my iso mirrors
- create iso export points for each install
- add iso mount to each install
- manually (or using puppet, etc) add mirror mount on each host node
- run a script that creates a symlink in each ovirt iso mirror for all the
   isos in the mirror export
   - 3.5 handles iso images in subdirectories, but 3.4 does not [1], so the
 script creates symlinks for every iso image in the top level of the iso
 export for 3.4, while only needing a symlnk to the distro directory fro
 3.5.

It's a hack, but it works.


This should work without any hacks. An ISO domain can be shared between 
multiple DCs or Engines.

Tal?





Robert

[1] 3.4 will descend to subdirectories to display the list of iso images
when attaching them in the UI, but the host will fail to boot because it
can't find the image unless it's at the top level.



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Re: [ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Robert Story]

On Fri, 30 Oct 2015 18:58:33 -0400 Liam wrote:
LC> Tried setting up NFS ISO domain which works on one host/local
LC> datacenter. I do not want to have to have multiple copies of iso files
LC> on all hosts. If I try to import pre-existing ISO domain, I either get
LC> an error that storage path exists or the dialog just does nothing.

I had the same goal, but for multiple independent ovirt installs. My
work-around is to deal with it outside ovirt.

- create generic nfs export for my iso mirrors
- create iso export points for each install
- add iso mount to each install
- manually (or using puppet, etc) add mirror mount on each host node
- run a script that creates a symlink in each ovirt iso mirror for all the
  isos in the mirror export
  - 3.5 handles iso images in subdirectories, but 3.4 does not [1], so the
script creates symlinks for every iso image in the top level of the iso
export for 3.4, while only needing a symlnk to the distro directory fro
3.5.

It's a hack, but it works.


Robert

[1] 3.4 will descend to subdirectories to display the list of iso images
when attaching them in the UI, but the host will fail to boot because it
can't find the image unless it's at the top level.

-- 
Senior Software Engineer @ Parsons


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Re: [ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Liron Aravot]

- Original Message -
> From: "Liam Curtis" <lcur...@datto.com>
> To: users@ovirt.org
> Sent: Saturday, October 31, 2015 12:58:33 AM
> Subject: [ovirt-users] Can ISO Domain be shared across multiple data centers? 
> Ovirt 3.5, 3.6? Does not appear so
> 
> Hello All,
> 
> Tried setting up NFS ISO domain which works on one host/local datacenter. I
> do not want to have to have multiple copies of iso files on all hosts. If I
> try to import pre-existing ISO domain, I either get an error that storage
> path exists or the dialog just does nothing.
> 
> Does not appear possible. Any tricks or workarounds?

Hi Liam,
You should go to the Storage tab, select the domain and in the "Data Centers" 
subtab attach it to the second Data Center.

let me know if that works for you.

thanks,
Liron.

> 
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Re: [ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Liam Curtis]

Thanks Liron. When I try that, I select data center and click OK, the
dialog closes, but nothing happens. No events generated, etc.

On Sun, Nov 1, 2015 at 4:41 AM, Liron Aravot <lara...@redhat.com> wrote:

>
>
> - Original Message -
> > From: "Liam Curtis" <lcur...@datto.com>
> > To: users@ovirt.org
> > Sent: Saturday, October 31, 2015 12:58:33 AM
> > Subject: [ovirt-users] Can ISO Domain be shared across multiple data
> centers? Ovirt 3.5, 3.6? Does not appear so
> >
> > Hello All,
> >
> > Tried setting up NFS ISO domain which works on one host/local
> datacenter. I
> > do not want to have to have multiple copies of iso files on all hosts.
> If I
> > try to import pre-existing ISO domain, I either get an error that storage
> > path exists or the dialog just does nothing.
> >
> > Does not appear possible. Any tricks or workarounds?
>
> Hi Liam,
> You should go to the Storage tab, select the domain and in the "Data
> Centers" subtab attach it to the second Data Center.
>
> let me know if that works for you.
>
> thanks,
> Liron.
>
> >
> > ___
> > Users mailing list
> > Users@ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
>



-- 

*Liam Curtis*
Manager of Systems EngineeringDatto, Inc.(203) 529-4949 x228
www.datto.com

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[ovirt-users] Can ISO Domain be shared across multiple data centers? Ovirt 3.5, 3.6? Does not appear so

[Liam Curtis]

Hello All,

Tried setting up NFS ISO domain which works on one host/local datacenter. I
do not want to have to have multiple copies of iso files on all hosts. If I
try to import pre-existing ISO domain, I either get an error that storage
path exists or the dialog just does nothing.

Does not appear possible. Any tricks or workarounds?
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