Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[Robert Story]

On Wed, 28 Dec 2016 09:39:16 +0200 Yaniv wrote:
YK> On Dec 27, 2016 10:09 PM, "Robert Story"  wrote:
YK> >Just as a counterpoint, I had 2 issues, but both were related to changes
YK> >I'd made..
YK> >
YK> >- I have ipv6 disabled. with CentOS 7.3 this can cause rpcbind to choke,
YK> >  causing cascading dependency failures. I had to manually tweak systemd
YK> >  config.
YK> 
YK> Did you open a bug about it, on rpcbind?

There was an existing bug. Unfortunately it's another case of people just
accepting that systemd can break what ever it wants and folks just have to
'get over it'.

  https://bugzilla.redhat.com/show_bug.cgi?id=1402961

YK> - I had tweaked vdsm.conf for debugging a long time ago, so the new version
YK>   installed it's conf file as vsdm.conf.rpmnew. New vdsm uses a different
YK>   logger, and wouldn't start with the old logger config. No error message,
YK>   0 byte log file. Copying rpmnew conf file over existing log files fixed
YK>   this one.
YK> 
YK> That is somewhat expected.

It is a little distressing that it fails with no indication of why it's
failing. It would be nice if something caught stderr to be able to log it.


I also forgot about my 3rd issue - the GUI 'broke' because I had a CNAME
for ovirt.local to ovirt-engine.local. Luckily I don't have a lot of users
to retrain to use a different domain name.


Robert

-- 
Senior Software Engineer @ Parsons


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Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[Robert Story]

On Tue, 27 Dec 2016 20:04:23 +0100 ov...@timmi.org wrote:
OO> Hi all,
OO> 
OO> please note that I have upgrade my oVirt 3.6.5 environment to 4.0.5 
OO> without problems.
OO> I saw some network messages in my evens but I will post them later in a 
OO> separate thread.
OO> 
OO> Really great work how the upgrades are working.

Just as a counterpoint, I had 2 issues, but both were related to changes
I'd made..

- I have ipv6 disabled. with CentOS 7.3 this can cause rpcbind to choke,
  causing cascading dependency failures. I had to manually tweak systemd
  config.

- I had tweaked vdsm.conf for debugging a long time ago, so the new version
  installed it's conf file as vsdm.conf.rpmnew. New vdsm uses a different
  logger, and wouldn't start with the old logger config. No error message,
  0 byte log file. Copying rpmnew conf file over existing log files fixed
  this one.


Robert

-- 
Senior Software Engineer @ Parsons


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Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[ovirt]

Hi all,

please note that I have upgrade my oVirt 3.6.5 environment to 4.0.5 
without problems.
I saw some network messages in my evens but I will post them later in a 
separate thread.


Really great work how the upgrades are working.

Best regards
Christoph

Am 21.12.2016 um 19:30 schrieb ov...@timmi.org:

Hi Gianluca,

no quite plain. We are connecting to a openldap server.

Best regards
Christoph

Am 21.12.2016 um 19:25 schrieb Gianluca Cecchi:



Il 21/Dic/2016 19:17, > ha 
scritto:


Hi Gianluca,

currently we have:

2 hosts (one is running also the oVirt Engine)
1 DC
We are only using NFS storage.

No reports are used. But we have it integrated into our LDAP.

Best regards
Christoph


Am 21.12.2016 um 17:37 schrieb Gianluca Cecchi:



On Wed, Dec 21, 2016 at 5:11 PM, > wrote:

Hi oVirt List,

I wanted to upgrade our oVirt 3.6.7 installation in the next
couple of days to oVirt 4.0.5.
My hosts are running CentOS 7.2 currently. It is safe to
perform the upgrade also to CentOS 7.3?

Is 4.0.5 also support this version of CentOS?

It is correct that the upgrade to 4.0 is the same as always?
Just I need to install the new repositories?
I guess I have to delete the old 3.6 repos or not?

|# yum install
http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm

# yum update "ovirt-engine-setup*" # engine-setup|

Best regards and thank you for your answers Christoph

Can you give more details, such as:
- how many hosts?
- how many DCs?
- how many Clusters?
- which kinds of storage domains in use (NFS, iSCSI, FC, ...)?
- currently using Hosted Engine? Planning to use it in upgraded
environment?
- currently using reports and dwh and if so, currently using
which database for them?
- other custom configuration aspects?
The more you give in advance the more other users can share
about their experience.
In general this guide for RHEV should be of help for oVirt too:

https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/upgrade-guide/



HIH as a first insight,
Gianluca


As the environment is simple I can try to simulate, probably next 
week, as an exercise, as I have to migrate a similar test environment 
then.

I'll let you know.
Plain ldap or freeipa or what? I will test with freeipa as shipped in 
CentOS 7.2 with updates (not yet upgraded to 7.3)


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Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[ovirt]

Hi Gianluca,

no quite plain. We are connecting to a openldap server.

Best regards
Christoph

Am 21.12.2016 um 19:25 schrieb Gianluca Cecchi:



Il 21/Dic/2016 19:17, > ha 
scritto:


Hi Gianluca,

currently we have:

2 hosts (one is running also the oVirt Engine)
1 DC
We are only using NFS storage.

No reports are used. But we have it integrated into our LDAP.

Best regards
Christoph


Am 21.12.2016 um 17:37 schrieb Gianluca Cecchi:



On Wed, Dec 21, 2016 at 5:11 PM, > wrote:

Hi oVirt List,

I wanted to upgrade our oVirt 3.6.7 installation in the next
couple of days to oVirt 4.0.5.
My hosts are running CentOS 7.2 currently. It is safe to
perform the upgrade also to CentOS 7.3?

Is 4.0.5 also support this version of CentOS?

It is correct that the upgrade to 4.0 is the same as always?
Just I need to install the new repositories?
I guess I have to delete the old 3.6 repos or not?

|# yum install
http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm

# yum update "ovirt-engine-setup*" # engine-setup|

Best regards and thank you for your answers Christoph

Can you give more details, such as:
- how many hosts?
- how many DCs?
- how many Clusters?
- which kinds of storage domains in use (NFS, iSCSI, FC, ...)?
- currently using Hosted Engine? Planning to use it in upgraded
environment?
- currently using reports and dwh and if so, currently using
which database for them?
- other custom configuration aspects?
The more you give in advance the more other users can share about
their experience.
In general this guide for RHEV should be of help for oVirt too:

https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/upgrade-guide/



HIH as a first insight,
Gianluca


As the environment is simple I can try to simulate, probably next 
week, as an exercise, as I have to migrate a similar test environment 
then.

I'll let you know.
Plain ldap or freeipa or what? I will test with freeipa as shipped in 
CentOS 7.2 with updates (not yet upgraded to 7.3)
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Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[Gianluca Cecchi]

Il 21/Dic/2016 19:17,  ha scritto:

Hi Gianluca,

currently we have:

2 hosts (one is running also the oVirt Engine)
1 DC
We are only using NFS storage.

No reports are used. But we have it integrated into our LDAP.

Best regards
Christoph


Am 21.12.2016 um 17:37 schrieb Gianluca Cecchi:



On Wed, Dec 21, 2016 at 5:11 PM,  wrote:

> Hi oVirt List,
>
> I wanted to upgrade our oVirt 3.6.7 installation in the next couple of
> days to oVirt 4.0.5.
> My hosts are running CentOS 7.2 currently. It is safe to perform the
> upgrade also to CentOS 7.3?
>
> Is 4.0.5 also support this version of CentOS?
>
> It is correct that the upgrade to 4.0 is the same as always?
> Just I need to install the new repositories?
> I guess I have to delete the old 3.6 repos or not?
>
>   # yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm
>   # yum update "ovirt-engine-setup*"
>   # engine-setup
>
> Best regards and thank you for your answers Christoph
>
Can you give more details, such as:
- how many hosts?
- how many DCs?
- how many Clusters?
- which kinds of storage domains in use (NFS, iSCSI, FC, ...)?
- currently using Hosted Engine? Planning to use it in upgraded environment?
- currently using reports and dwh and if so, currently using which database
for them?
- other custom configuration aspects?
The more you give in advance the more other users can share about their
experience.
In general this guide for RHEV should be of help for oVirt too:
https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/
upgrade-guide/
HIH as a first insight,
Gianluca


As the environment is simple I can try to simulate, probably next week, as
an exercise, as I have to migrate a similar test environment then.
I'll let you know.
Plain ldap or freeipa or what? I will test with freeipa as shipped in
CentOS 7.2 with updates (not yet upgraded to 7.3)
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Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[ovirt]

Hi Gianluca,

currently we have:

2 hosts (one is running also the oVirt Engine)
1 DC
We are only using NFS storage.

No reports are used. But we have it integrated into our LDAP.

Best regards
Christoph

Am 21.12.2016 um 17:37 schrieb Gianluca Cecchi:



On Wed, Dec 21, 2016 at 5:11 PM, > wrote:


Hi oVirt List,

I wanted to upgrade our oVirt 3.6.7 installation in the next
couple of days to oVirt 4.0.5.
My hosts are running CentOS 7.2 currently. It is safe to perform
the upgrade also to CentOS 7.3?

Is 4.0.5 also support this version of CentOS?

It is correct that the upgrade to 4.0 is the same as always?
Just I need to install the new repositories?
I guess I have to delete the old 3.6 repos or not?

|# yum install
http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm

# yum update "ovirt-engine-setup*" # engine-setup|

Best regards and thank you for your answers Christoph

Can you give more details, such as:
- how many hosts?
- how many DCs?
- how many Clusters?
- which kinds of storage domains in use (NFS, iSCSI, FC, ...)?
- currently using Hosted Engine? Planning to use it in upgraded 
environment?
- currently using reports and dwh and if so, currently using which 
database for them?

- other custom configuration aspects?
The more you give in advance the more other users can share about 
their experience.

In general this guide for RHEV should be of help for oVirt too:
https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/upgrade-guide/ 


HIH as a first insight,
Gianluca
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Re: [ovirt-users] oVirt 3.6.7 upgrade to 4.0.5 and CentOS 7.3

[Gianluca Cecchi]

Resend, as it seems there was a problem before with mailing list...

Il 21/Dic/2016 17:37, "Gianluca Cecchi"  ha
scritto:



On Wed, Dec 21, 2016 at 5:11 PM,  wrote:

> Hi oVirt List,
>
> I wanted to upgrade our oVirt 3.6.7 installation in the next couple of
> days to oVirt 4.0.5.
> My hosts are running CentOS 7.2 currently. It is safe to perform the
> upgrade also to CentOS 7.3?
>
> Is 4.0.5 also support this version of CentOS?
>
> It is correct that the upgrade to 4.0 is the same as always?
> Just I need to install the new repositories?
> I guess I have to delete the old 3.6 repos or not?
>
>   # yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release40.rpm
>   # yum update "ovirt-engine-setup*"
>   # engine-setup
>
>
> Best regards and thank you for your answers
> Christoph
>
>
>
Can you give more details, such as:

- how many hosts?
- how many DCs?
- how many Clusters?
- which kinds of storage domains in use (NFS, iSCSI, FC, ...)?
- currently using Hosted Engine? Planning to use it in upgraded environment?
- currently using reports and dwh and if so, currently using which database
for them?
- other custom configuration aspects?

The more you give in advance the more other users can share about their
experience.

In general this guide for RHEV should be of help for oVirt too:
https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/
upgrade-guide/

HIH as a first insight,

Gianluca
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