Solaris OE has several built-in command line backup utilities, such as cp, tar, cpio, and so on. The most widely used by system administrators is ufsdump, for a number of reasons:
Your backup can span multiple tapes, if need be.
There is no constraint in terms of file types.
Permissions, ownership, and timestamps can be restored, and backups can be performed incrementally.
However, there are some disadvantages:
Each file system has to be dumped individually.
ufsdump cannot dump file systems that are mounted over NFS.
When copying files, ensure that the file systems are in the inactive mode. This ensures a consistent output of the ufsdump and the correct and complete restoration of the file systems.
The following ...