Sophie: coda-doc-5.2.0-4mdk noarch

coda-doc-5.2.0-4mdk.noarch.rpm

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<H2><A NAME="s6">6. Configuration databases </A></H2>

<P>
<P>
<UL>
<LI> Volume databases (text) </LI>
<LI> <CODE>/vice/vol/VolumeList</CODE> Holds partition and volume
information for volumes for which this server is custodian.  This is
file is generated by <B>codasrv</B>.   </LI>
<LI> <CODE> /vice/vol/groupid</CODE> is maximum replicated volume id
allocated so far.  </LI>
<LI> HOSTS (text) 
<UL>
<LI> Entries describe volume storage groups: 
id  hostname1 hostname2 etc.  Stored in /vice/db/VSGDB</LI>
<LI> <CODE>/vice/db/hosts</CODE> servers should be in this file.  Servers found in
the VSGDB are checked to be in this file before proceeding to make a volume. </LI>
<LI> <CODE> /vice/db/servers</CODE> contains an id for each server. </LI>
</UL>
</LI>
</UL>
<P>Createvol_rep works as follows:
Parameters are: volname vsgaddr partition-name [groupid]
<UL>
<LI> check we are the SCM</LI>
<LI> Check that the volname doesn't appear in AllVolumes or VRList</LI>
<LI> Get the list of servers from the vsgaddr using the VSGDB</LI>
<LI> verify the servers against /vice/db/hosts</LI>
<LI> get a new replicated id for this replicated volume using the
<CODE> /vice/vol/groupid</CODE> file</LI>
<LI> use volutil to create the volume on each host, using the
partition, volumename and groupid acquired before. Note that each server now
assigns a volume id for this newly created volume.  It dumps</LI>
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