Creating a snapshot of an encapsulated boot disk


Creating a snapshot of an encapsulated boot disk
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When you create a snapshot of an encapsulated boot disk, the vxrootadm command has the following format:

vxrootadm -s srcdisk [-g dg] mksnap destdisk newdg

The target disk for the snapshot must be as large (or bigger) than the source disk (boot disk). You must use a new disk group name to associate the target disk.

To create a snapshot of an encapsulated boot disk

Enter the following command:
```
vxrootadm -s disk_0 -g rootdg mksnap disk_1 snapdg
```
In this example, disk_0 is the encapsulated boot disk, and rootdg is the associate boot disk group. disk_1 is the target disk, and snapdg is the new disk group name

See Booting from alternate boot disks.