This procedure plus a procedure to reverse the process is currently documented in the Sun Cluster 3.2 1/09 Release Notes:
http://wikis.sun.com/display/SunCluster/%28English%29+Sun+Cluster+3.2+1-09+Release+Notes#%28English%29SunCluster3.21-09ReleaseNotes-migrategd In the next Sun Cluster release, you will be able to find these procedures in the Sun Cluster System Administration Guide. Lisa Shepherd Sun Cluster Technical Publications "We're the M in RTFM" a wrote: > How to Migrate the Global-Devices Namespace From a Dedicated Partition to a > lofi Device > > 1. Become superuser on the global-cluster voting node whose namespace > location you want to change. > > 2. Ensure that no file named /.globaldevices already exists on the node. > If the file does exist, delete it. > > 3. Create the lofi device. > > # mkfile 100m /.globaldevices > # lofiadm -a /.globaldevices > # LOFI_DEV=`lofiadm /.globaldevices` > # newfs `echo ${LOFI_DEV} | sed -e 's/lofi/rlofi/g'` < /dev/null > # lofiadm -d /.globaldevices > > 4. In the /etc/vfstab file, comment out the global-devices namespace > entry. This entry has a mount path that begins with /global/.device/node at > nodeID. > > 5. Unmount the global-devices partition /global/.devices/node at nodeID. > > 6. Disable and re-enable the globaldevices and scmountdev SMF services. > > # svcadm disable globaldevices > # svcadm disable scmountdev > # svcadm enable scmountdev > # svcadm enable globaldevices > > A lofi device is now created on /.globaldevices and mounted as the > global-devices file system. > > 7. Repeat these steps on any other nodes whose global-devices namespace > you want to migrate from a partition to a lofi device. > > 8. From one node, populate the global-device namespaces. > > # /usr/cluster/bin/cldevice populate > > On each node, verify that the command has completed processing before > you perform any further actions on the cluster. > > # ps -ef | grep scgdevs > The global-devices namespace now resides on a lofi device. >
