<connect>
  <dstype value="DBCP"/>
  <username value="postgres" />
  <password value="password" />
  <jdbcUrl value="jdbc:postgresql://localhost:5432/db1" />
  <driverClassName value="org.postgresql.Driver"/>
  <maxActive value="10"/>
  <maxIdle value="0"/>
</connect>

<spatialExtension name="postgis"/>
<mapping>
    <masterTable name="mosaic" >
        <coverageNameAttribute name="name"/>
        <maxXAttribute name="maxX"/>
        <maxYAttribute name="maxY"/>
        <minXAttribute name="minX"/>
        <minYAttribute name="minY"/>
        <resXAttribute name="resX"/>
        <resYAttribute name="resY"/>
        <tileTableNameAtribute name="tiletable" />
    </masterTable>
    <tileTable>
        <blobAttributeName name="rast" />
    </tileTable>
</mapping>

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE ImageMosaicJDBCConfig [
  <!ENTITY mapping PUBLIC "mapping"  "mapping.postgis.xml.inc">
  <!ENTITY connect PUBLIC "connect"  "connect.postgis.xml.inc">]>
<config version="1.0">
  <coverageName name="gfm"/>
  <coordsys name="EPSG:25832"/>
  <!-- interpolation 1 = nearest neighbour, 2 = bilinear, 3 = bicubic -->
  <scaleop  interpolation="1"/>
  <verify cardinality="false"/>
  &mapping;
  &connect;
</config>

Error: Could not list layers for this store, an error occurred retrieving them: Unable to acquire a reader for this coverage with format: ImageMosaicJDBC

2012-10-24 14:09:11,404 DEBUG [org.geoserver] - Thread 14 locking in mode WRITE
2012-10-24 14:09:11,404 DEBUG [org.geoserver] - Thread 14 got the lock in mode WRITE
2012-10-24 14:09:11,406 DEBUG [geoserver.config] - Persisting coverage store raster_store
2012-10-24 14:09:11,408 DEBUG [geoserver.config] - Persisted org.geoserver.catalog.impl.CoverageStoreInfoImpl to /opt/geoserver/data_dir/workspaces/raster/raster_store/coveragestore.xml
2012-10-24 14:09:11,416 DEBUG [geoserver.config] - Persisted $Proxy15 to /opt/geoserver/data_dir/global.xml
2012-10-24 14:09:11,438 ERROR [imagemosaic.jdbc] -
2012-10-24 14:09:11,438 WARN [imagemosaic.jdbc] -
java.io.IOException
    at org.geotools.gce.imagemosaic.jdbc.ImageMosaicJDBCReader.<init>(ImageMosaicJDBCReader.java:163)
    at org.geotools.gce.imagemosaic.jdbc.ImageMosaicJDBCFormat.getReader(ImageMosaicJDBCFormat.java:209)
....
2012-10-24 14:09:11,439 INFO [geoserver.web] - Getting list of coverages for saved store file:coverages/osm.postgis.xml
java.lang.RuntimeException: Could not list layers for this store, an error occurred retrieving them: Unable to acquire a reader for this coverage with format: ImageMosaicJDBC
    at org.geoserver.web.data.layer.NewLayerPageProvider.getItems(NewLayerPageProvider.java:115)
...
Caused by: java.lang.Exception: Unable to acquire a reader for this coverage with format: ImageMosaicJDBC
    at org.geoserver.catalog.CatalogBuilder.buildCoverage(CatalogBuilder.java:812)
    at org.geoserver.web.data.layer.NewLayerPageProvider.getItems(NewLayerPageProvider.java:82)
    ... 95 more
2012-10-24 14:09:11,441 DEBUG [geoserver.config] - Removing coverage store raster_store
2012-10-24 14:09:11,446 DEBUG [geoserver.config] - Persisted $Proxy15 to /opt/geoserver/data_dir/global.xml
2012-10-24 14:09:11,459 DEBUG [org.geoserver] - Thread 14 releasing the lock in mode WRITE

raster2pgsql -s 27700 -I -M -C {geotiffName}.tif -t 100x100 -l 2,4,6 {schema}.{tableName} | psql -U {user} -d {database}

create table {schema}.MOSAIC (NAME varchar(254) not null,
     TileTable varchar(254)not null,
     minX FLOAT8,minY FLOAT8, maxX FLOAT8, maxY FLOAT8,resX FLOAT8, resY FLOAT8, primary key (NAME,TileTable))

insert into {schema}.MOSAIC (name, tiletable) values ('oek', {Main raster table name});
insert into {schema}.MOSAIC (name, tiletable) values ('oek', {raster pyramid 2 table name});
insert into {schema}.MOSAIC (name, tiletable) values ('oek', {raster pyramid 4 table name});
insert into {schema}.MOSAIC (name, tiletable) values ('oek', {raster pyramid 6 table name});

ALTER DATABASE dbname SET bytea_output TO 'escape'

<spatialExtension name="pgraster"/>
 <mapping>
  <masterTable name="MOSAIC" >
          <coverageNameAttribute name="name"/>
          <maxXAttribute name="maxX"/>
          <maxYAttribute name="maxY"/>
          <minXAttribute name="minX"/>
          <minYAttribute name="minY"/>
          <resXAttribute name="resX"/>
          <resYAttribute name="resY"/>
          <tileTableNameAtribute  name="tiletable" />
  </masterTable>
  <tileTable>
          <blobAttributeName name="rast" />
  </tileTable>
</mapping>

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE ImageMosaicJDBCConfig [
  <!ENTITY mapping PUBLIC "mapping"  "mapping.pgraster.xml.inc">
  <!ENTITY connect PUBLIC "connect"  "connect.pgraster.xml.inc">
]>

<config version="1.0">
  <coverageName name="oek"/>
  <coordsys name="EPSG:27700"/>
  <!-- interpolation 1 = nearest neighbour, 2 = bipolar, 3 = bicubic -->
  <scaleop  interpolation="1"/>
<axisOrder ignore="false"/>
  &mapping;
  &connect;
</config

<RasterSymbolizer>
 <Opacity>1.0</Opacity>
  <ColorMap>
   <ColorMapEntry color="#ffffff" quantity="1" label="label1" opacity="1"/>
   <ColorMapEntry color="#0000ff" quantity="200" label="label2" opacity="1"/>
  </ColorMap>
</RasterSymbolizer>

<spatialExtension name="postgis"/>

<spatialExtension name="pgraster"/>