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From Koushik Das <koushik....@citrix.com>
Subject RE: Inconsistent way to store host HV version in db
Date Tue, 15 Jan 2013 09:39:58 GMT
Yes it can be stored in host_details table but then given that all hosts in a cluster have
same version the data would get duplicated. That's why storing it in cluster or cluster_details
table would be better, would like to know if there can be any issues with this.
Needed it to do some validation based on HV version.


> -----Original Message-----
> From: Devdeep Singh [mailto:devdeep.singh@citrix.com]
> Sent: Tuesday, January 15, 2013 2:51 PM
> To: cloudstack-dev@incubator.apache.org
> Subject: RE: Inconsistent way to store host HV version in db
> 
> Storing it in host_details table with the "product_version" name should be
> fine. For XS, that is where it is kept and it'll make sure it is consistent for other
> hypervisors too.
> 
> Just for my understanding, what is the requirement  for which you now need
> to keep the Vmware host version details?
> 
> Regards,
> Devdeep
> 
> > -----Original Message-----
> > From: Koushik Das [mailto:koushik.das@citrix.com]
> > Sent: Tuesday, January 15, 2013 2:23 PM
> > To: cloudstack-dev@incubator.apache.org
> > Subject: Inconsistent way to store host HV version in db
> >
> > The 'host' table has a column 'hypervisor_version' but that doesn't
> > get filled (tried with XS and Vmware). For Vmware the column 'version'
> > is populated with HV version whereas in case of XS it has CS version
> > appended with some timestamp.
> > There is another table 'host_details'. For XS saw that there is a
> > name-value pair 'product_version' but nothing like that for a Vmware host.
> >
> > Can anyone let me know what is the correct place for HV version to be
> > stored so that it can be accessed in a consistent way? Also since
> > clusters are meant to be homogeneous would it make sense to add it in
> 'cluster' table?
> >
> > -Koushik

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