Hello,

I think using the OPAC web instance this should work but using workflows in 
koha with the intranet web instance there are some topics you must think about.

1. only serveral OPAC instances
Theoretical you can use several web instances with one database instance if you 
give every web instance her "own" network port (initial: 8000/8080) in the 
koha-httpd.conf. If you only will more OPAC web instances you can clone your 
web instance, give the clones new network ports (more than 8000, don't forget 
some firewall configs you have a firewall between user and web instance) and 
erase the "intranet" part of the koha-httpd.conf. On the same way you can 
"split" your koha in two web instances (1rst: OPAC with port 8000, 2nd: 
intranet with 8080).

But if you want the same network port for all web instances, then you need a 
load balancing solution in front of your web instances.

2. serveral intranet instances (I hope my description is understandable...)
You can clone your web instance in the same way like in 1. Please consider the 
serveral network ports or the possibility of a load balancing solution.

But in this case you must guarantee that you didn't get corrupt data in your 
database adding or editing biblio records with mor as one intranet web 
instance! 

If you opens the same record from two web instance clients, normally 
mysql/mariadb should lock the record you will edit. Then you should get an 
error, when the second web instance client will edit or save it, But, I'm not 
sure. you must test it.

But if create a new record I don't know if the web instance get an unique id 
from the database beginning adding the data in a new record or if the web 
instance collect the whole record data an save it in one step in the database. 
In booth cases you must test if you get corrupt data or index records.


I hope this answer will help you. Technical it's simple when you don't need a 
load balancer solution. And you must test the access from several Web instances 
to one database!


Sebastian


> Shafendi <shaffe...@gmail.com> hat am 7. Januar 2019 um 14:15 geschrieben:
> 
> 
> I have 3 vm and i want to make koha web on 1st and 2nd vm. 3d vm will become
> my database. Could anyone help me how to do it.
> 
> I only know how to install koha and database on 1 server.. 
> 
> 
> 
> --
> Sent from: http://koha.1045719.n5.nabble.com/Koha-general-f3047918.html
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