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Chapter 2: Disaster RecoveryPlanning for a Disaster Copies of: SAP license for all instances Service agreements (with phone numbers) for all serversEnsure that maintenance agreements are still valid and check if the agreements expired.These should be part of a regular schedule task. Instructions to recall tapes from offsite data storage List of personnel authorized to recall tapes from offsite data storageThis list must correspond to the list maintained by the data storage company. A parts listIf the server is destroyed, this list should be in sufficient detail to purchase or leasereplacement hardware. Over time, if original parts are no longer available, an alternateparts list will have to be prepared. At this point, you might consider upgrading theequipment. File system layout Hardware layoutYou need to know which: Cards go in which slots Cables go where (connector-by-connector)Labeling cables and connectors greatly reduces confusion Phone numbers for: Key users Information services personnel Facilities personnel Other infrastructure personnel Consultants (SAP, network, etc.) SAP hotline Offsite data storage Security department or personnel Service agreement contacts Hardware vendors Operating system: Installation kit Drivers for hardware, such as a Network Interface Card (NIC) or a SCSIcontroller, which are not included in the installation kit Service packs, updates, and patchesSystem Administration Made Easy2–13