my weblogic domain rhel4a has 2 servers: admsvr and jvm1; data-source myds is created targeting to jvm1 ( tested ok when creating )

My issue is when navigating to "services | JDBC | data-sources", selecting myds and then "monitoring | testing", I don't see myds. I can't delete myds from data-sources either

I tried WLST:
connect('wladmin1','wladmin1','t3s://rhel4a:9002')
serverRuntime()
cd('JDBCServiceRuntime/admsvr/JDBCDataSourceRuntimeMBeans')
ls()

It returns blank

However, as soon as I target myds to admsvr ( the process usually for console only ), I can see it in "monitoring | testing" and cd('JDBCServiceRuntime/admsvr/JDBCDataSourceRuntimeMBeans/myds')

Any idea what's going on? Is it a known issue? Thanks