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Chapter 7 Working with Domino.Doc from a Browser - Lotus ...

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About <strong>Domino</strong>.<strong>Doc</strong> in a Distributed Environment<br />

<strong>Domino</strong>.<strong>Doc</strong> lets you keep multiple copies (replicas) of any single database<br />

on multiple servers to allow users in various locations to access the same<br />

information. Replication is the process of exchanging modifications between<br />

replicas.<br />

<strong>Domino</strong>.<strong>Doc</strong> uses server-to-server replication, a two-way exchange of information<br />

whereby each server alternately sends updates to, and receives<br />

updates <strong>from</strong>, the other:<br />

• When a server sends updates to a replica on another server, it is<br />

considered the source server.<br />

• When it receives updates, it is considered the destination server.<br />

The <strong>Domino</strong>.<strong>Doc</strong> Transaction database communicates these updates, or<br />

“events,” between the servers. The Transaction database also monitors this<br />

activity and controls access to your documents. New replicas are not<br />

actually created, nor are updates recorded, until the Transaction database<br />

replicates to the destination server.<br />

The original <strong>Domino</strong>.<strong>Doc</strong> library, or master library, exists on the master<br />

server. Replicas of the master library can be installed completely (the library<br />

and all file cabinets), or in part (library only, file cabinets only) on any other<br />

<strong>Domino</strong>.<strong>Doc</strong> server.<br />

The original file cabinet, or master file cabinet, can be created on any library<br />

replica. The master file cabinet exists on the server where it was initially<br />

created.<br />

Each file cabinet has a “home library,” the server where a file cabinet will<br />

look for a replica of the library database. In cases where a server contains<br />

both a library and file cabinets, the file cabinets will use a local copy of the<br />

library, so that the home server is the current server. In cases where a server<br />

contains only file cabinets, those file cabinets must use some other server to<br />

find the library database.<br />

Home libraries are assigned by default during replica setup and file cabinet<br />

creation, but can be changed <strong>from</strong> <strong>with</strong>in the Administration navigator of a<br />

file cabinet. When setting up a new replica server, if that server contains a<br />

library database, all file cabinet replicas on that server will use the library<br />

database on that server. If the new replica server does not contain a library<br />

database, the file cabinets use the master library server as the home library.<br />

Similar rules apply when creating new file cabinets. A file cabinet replica<br />

will use a library on the same server, if the library is available. If not, the file<br />

cabinet replica uses the library where the file cabinet was created.<br />

<strong>Chapter</strong> 1: Introducing <strong>Domino</strong>.<strong>Doc</strong> 13

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