The command performs an  alt_disk_copy  on the node and disks that is passed as a  parameter to the  -N  flag, as shown in Figure 2-7. (root@decano1):/> /cl_ezupdate -X -N bolsilludo2:hdisk6 Checking for root authority... Running as root. Checking for AIX level... The installed AIX version is supported. Checking for PowerHA SystemMirror version... The installed PowerHA SystemMirror version is supported. Checking for clcomd communication on all nodes... clcomd on each node can both send and receive messages. INFO: The cluster: decano_bolsilludo is in state: STABLE INFO: The node: bolsilludo2 is in state: NORMAL INFO: The node: decano1 is in state: NORMAL INFO: rootvg copy is going on bolsilludo2 nodes.. It may take 10 to 15  minutes time to complete INFO: rootvg copy is going on since 0 minutes INFO: rootvg copy is going on since 8 minutes INFO: Rootvg copy is successful on hdisk6 for node bolsilludo2 Figure 2-7 The cl_ezupdate rollback feature enabled 22  IBM PowerHA SystemMirror V7.2.3 for IBM AIX and V7.2.2 for Linux