[Pgcluster-general] rsync error ?

[pgcluster at bluewin.ch]

Hi all, 
I try to start a pgcluster (1.9) db in recovery mode but get the following error ?
Could any1 please explain what's done in 1st recovery step,  what's going wrong here and how to work around ?
TIA 
Dan


Start in recovery mode!
Please wait until a data synchronization finishes from Master DB...
1st recovery step of [global] directory...OK
1st recovery step of [base] directory...OK
1st recovery step of [pg_clog] directory...OK
1st recovery step of [pg_xlog] directory...NG
PGR_Recovery_Main() failed with cold recovery