[OpenIndiana-discuss] solaris10 branded zones

[Roel_D]

If the old software/services running on the old solaris didn't rely on /usr or /etc installed software (like apache/mysql/java-based software) i would suggest to only copy the software directories in newly created zones. 

It could take more hours to hurdle all the OS mismatches then to copy the old software or its data and maybe recompile some legacy libraries. 

Kind regards, 

The out-side

Op 6 feb. 2013 om 19:39 heeft Ian Collins <ian at ianshome.com> het volgende geschreven:

> Jim Klimov wrote:
>> Hello all,
>> 
>>    I am currently helping evacuate data/OS from a legacy system
>> that ran Solaris 10u3 (11/06) in a VM until recently - hypervisor
>> host died - with tasks stuffed into a number of local zones, in
>> whole roots over dedicated UFS SVM "partitions". The customer
>> has decided to migrate the services ASAP into another VM on
>> another box, which currently has Windows and can run VirtualBox,
>> by salvaging as many bytes as possible from the old installation.
>> Possibly, later a new dedicated hypervisor will be provided
>> (likely ESX, or native OI+zones+VirtualBox, maybe SmartOS+KVM...)
>> 
>>    Our foreseeable options are to migrate into a new VM:
>> 1) as is, rsync'ing the data from the old VM or even importing
>>     its disk image if that works
>> 
>> 2) into solaris 10u8 "golden image" and possibly updating the
>>     OS parts for the local zones in the process (detact/attach -u)
>> 
>> 3) into OI and stuff old tasks "as is" into solaris10 branded
>>     zones; maybe later migrate at least some tasks to native
>>     OI zones.
>> 
>>    I am partial to the OI variant, as it gives more flexibility
>> with networking setup and other bonuses. What I am not sure about
>> is the current state of affairs with the solaris10 zones:
>> 
>> * is it enough to copy the zoneroot (whole root zones) and just
>>    run it? (the global zone was nothing but a zonehoster)
> 
> Detach then attach does work.
> 
>> * are there limitations to the solaris 10 release which must be
>>    imported into a branded zone? I know that there may be problems
>>    due to mismatch of ZFS between kernel and zone, but it is not
>>    planned to delegate datasets into these zones at the moment.
> 
> It's been a while since I last did this, but I'm sure there's a minimum patch level (update 9?) required.
> 
> I imported the zones onto an update 9 VM first.
> 
>> * is it possible to "attach -u" or liveupgrade local zones that
>>    are branded in OI (i.e. import sol10u3 and turn it into sol10u8)?
> 
> I'm sure -u isn't supported for branded zones, you have to do this on Solaris 10 first.
> 
> -- 
> Ian.
> 
> 
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