This page gives the GUMS and vomss configuration information for OSG sites to allow access for the STAR VO.

VOMS entry for edg-mkgridmap.conf
group vomss://vo.racf.bnl.gov:8443/edg-voms-admin/star osg-star

Example GUMS config:

<!--- 9 STAR ---!>
<groupMapping name='star' accountingVo='star' accountingDesc='STAR'>
    <userGroup className='gov.bnl.gums.VOMSGroup'
       url='https://vo.racf.bnl.gov:8443/edg-voms-admin/star/services/VOMSAdmin'
       persistenceFactory='mysql'
       name='osg-star'
       voGroup="/star"
       sslCertfile='/etc/grid-security/hostcert.pem'
       sslKey='/etc/grid-security/hostkey.pem' ignoreFQAN="true"/>
    <accountMapping className='gov.bnl.gums.GroupAccountMapper'
      groupName='osg-star' />
</groupMapping>

Note that in the examples above "osg-star" refers to the local UID/GID names and can be replaced with whatever meets your local site policies.
Also the paths shown for sslKey and sslCertfile should be replaced with the correct values on your system.