It happened to me one time and in that case it was because of the second case mentioned here: http://h71000.www7.hp.com/wizard/wiz_9685.html A volume with the same label was mounted on one of the other cluster members. On Thu, Apr 25, 2013 at 06:52:03AM +0300, Sampsa Laine wrote: I've somehow managed to screw up the boot node of HILANT, basically KUHAVX will boot fine by itself (VAXCLUSTER set to 0) but when I try to boot it as the boot node for the cluster I get this error: %SYSINIT-E, error mounting system device, status = 0072832C Any ideas? Here's the full output: (BOOT/R5:1 DUA0 2.. -DUA0 1..0.. SYSBOOT> SET VAXCLUSTER 2 SYSBOOT> CONT %SYSBOOT-I-SYSBOOT Mapping the SYSDUMP.DMP on the System Disk %SYSBOOT-I-SYSBOOT SYSDUMP.DMP on System Disk successfully mapped %SYSBOOT-I-SYSBOOT Mapping PAGEFILE.SYS on the System Disk %SYSBOOT-I-SYSBOOT SAVEDUMP parameter not set to protect the PAGEFILE.SYS OpenVMS (TM) VAX Version V7.3 Major version id = 1 Minor version id = 0 %WBM-I-WBMINFO Write Bitmap has successfully completed initialization. %SYSINIT, waiting to form or join a VMScluster system %VAXcluster-I-LOADSECDB, loading the cluster security database %MSCPLOAD-I-LOADMSCP, loading the MSCP disk server %CNXMAN, sending VAXcluster membership request to system SIIRI %CNXMAN, now a VAXcluster member -- system KUHAVX %SYSINIT-E, error mounting system device, status = 0072832C sampsa <sampsa at mac.com> mobile +961 788 10537