Thanks, I will at least try to see how the default H2 performs.

Olav

Den 18. aug. 2011 kl. 13:50 skrev Knut Staring:

> I agree with Bob that it is worth trying going with H2, as it does simplify 
> things considerably. It also provides a possibility for db backup (and 
> transmission) through the copying (and sending) of the whole db file (though 
> a monthly zipped incremental DXF export should be smaller).
> 
> Knut
> 
> On Thu, Aug 18, 2011 at 3:40 PM, Olav Poppe <olav.po...@gmail.com> wrote:
> Thanks
> It seems the barrier for going offline should be quite high... Will have to 
> look more into exactly how bad the connections are in the worse areas, and 
> also into the offline data entry in 2.4.
> 
> As for those districts that are in fact offline, is the live package with H2 
> sufficient? Keeping postgres out of the picture would likely reduce the 
> amount of support required quite a lot.
> 
> Olav 
> 
> 
> Den 18. aug. 2011 kl. 13:32 skrev Jason Pickering:
> 
>> I agree with both Bob and Ola. 
>> 
>> We have tried not quite yet succeeded in getting DHIS2 installed with 
>> Tomcat/Postgres on Windows with a one-click installer, this my caveat about 
>> a "supervised" install. There are a lot of things which can happen on users 
>> machines and maintenance becomes a huge issue. DHIS is still under intense 
>> development, and a lot of things change quickly. Upgrading a single server 
>> is a piece of cake. Upgrading dozens or hundreds of off-line machines is a 
>> true nightmare and a serious risk and resource drain to any deployment. 
>> 
>> I agree with Ola. Totally exclude an on-line server as an option first. If 
>> you have already done that, all I can say is, be prepared for a LOT of tech 
>> support. 
>> 
>> Regards,
>> Jason
>> 
>> 
>> On Thu, Aug 18, 2011 at 3:15 PM, Ola Hodne Titlestad <ol...@ifi.uio.no> 
>> wrote:
>> Olav,
>> 
>> How offline are these districts? Can they not get connected through mobile 
>> usb modems/dongles? There is so much to gain from online deployment that I 
>> would check out every alternative of connectivity before deciding to go 
>> completely offline. The mobile Internet solution is working very well in 
>> Kenya. With the offline data entry capabilities in the upcoming 2.4, the 
>> districts do not have to be online during the data entry process, which is a 
>> major advantage in areas with poor/unstable connectivity.
>>  
>> Further recommendations on deployment can be found in the implementation 
>> guide here:
>> http://dhis2.org/doc/snapshot/en/implementer/html/ch04.html
>> 
>> And a presentation on the same topic in the zip file with implementation 
>> guide slides here:
>> http://dhis2.org/download/presentations/presentations.zip
>> 
>> Ola
>> -------
>> 
>> 
>> ----------------------------------
>> Ola Hodne Titlestad (Mr)
>> HISP
>> Department of Informatics
>> University of Oslo
>> 
>> Mobile: +47 48069736
>> Home address: Vetlandsvn. 95B, 0685 Oslo, Norway. Googlemaps link
>> 
>> 
>> 
>> On 18 August 2011 15:02, Jason Pickering <jason.p.picker...@gmail.com> wrote:
>> One strong reason not to use it is the relative lack of testing. In theory, 
>> it should work, but just as with MySQL, much more testing has occurred with 
>> Postgres than with the other database systems. 
>> 
>> We have some beta-level Windows installers, which might be of interest to 
>> you, which work pretty well under supervised circumstances. It might be 
>> something to consider if you want a relatively automated install of the 
>> DHISLive/Postgresql stack, with automated restore of the database. 
>> 
>> Regards,
>> Jason
>> 
>> 
>> On Thu, Aug 18, 2011 at 2:48 PM, Olav Poppe <olav.po...@gmail.com> wrote:
>> Hello,
>> we're looking at what do to with offline installations for the 
>> implementation here in Ghana. Are there any reasons not to use DHIS Live? 
>> Can H2 be used (importing the metadata into an empty database), or should 
>> postgres be set up as well?
>> 
>> There are 170 districts here, and about half of them might have to be 
>> offline installs so an easy-to-use solutions would be good.
>> 
>> Thanks,
>> Olav
>> 
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>> 
> 
> 
> _______________________________________________
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> 
> 
> 
> -- 
> Cheers,
> Knut Staring

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