man backups before maintenance

backups for xsmas maintenance
- deims db DONE
-- older DBs codebases moved to /hoare. DONE
-- new backup DONE
-- Copy to powervault DONE
-- db copies to ice: datapool
- codebase deims
--- codebase backup made DONE
--- files copied to external powervault. DONE
- mcm data db.
-- make backup DONE
-- copy to powervault DONE
--exp db DONE
-- moved to /datapool DONE
-- copies to gar:hoare
- oracle db NS.
-- cold NS
-- hot DONE
-- copies to datapool and gar:hoare