Using ufsrestore from a DAT tape of ufsdump backup

hi, was wondering if there is a problem with the patches, and if we wish to restore everything back to square one, how should we go about using ufsrestore from a DAT tape of ufsdump backup data ?

Start by reading the documention. once you understand how it works and what needs to be done you should test, test, and re-test. check out flash archives - it can greatly simplify the restore process.