Monday, May 02, 2005

Name Server Backups

Its important that a backup of the gateway name server file is made before and frequently when changing anything in
the Siebel enterprise server configuration.

Many a time, a corrupted name server can happen for no reason and we can loose work.

For example, we created a new comp def in one enterprise. There is a 10% chance that the Siebns.dat file is corrupted
(because of no reason .. The file likes to get corrupted). But we wont know this till we bounce it next time.
If that happens , we need to recover siebns.dat from backup but that might mean all Siebel configuration done from that
point onwards to be lost.

We can follow a process where we can issue a command , before we do any server configuration changes.

Backup namesrvr  on a Siebel Server Command line or hit the backup enterprise button in Server Configuration/Enterprises

 Why is this so?

Most of the Siebel information is stored in the Database which adequately backed up and is supposedly recoverable.
But the Server configuration is stored in a little file stored in the Gateway server called siebns.dat . Experience tells me
that the way Siebel Updates/inserts to this file can be problematic and many times results in Corruption. The file is , while
editable it seems, not so. Siebel doesn't supports such a manual edit of this file. When this file is corrupted weird things can
happen and many times server configuration screens becomes inaccessible.

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