B-4 Other PrecautionsDVD/CD-ROMKeep the following notes in mind to use the DVD/CD-ROM for the server: Press the center of the storage case to remove the DVD/CD-ROM from the case. Do not drop the DVD/CD-ROM. Do not place anything on the DVD/CD-ROM or bend the DVD/CD-ROM. Do not attach any label onto the DVD/CD-ROM. Do not touch the signal side (nothing is printed on this side) with your hand. Place the DVD/CD-ROM with its printed side upward and gently put it on the tray. Do not scratch the DVD/CD-ROM or write anything directly on it with a pencil orball-point pen. Do not leave the DVD/CD-ROM with foods and drinks, or in a place exposed to cigarettesmoke. Do not leave the DVD/CD-ROM in a high-temperature place (e.g., place exposed to directsunlight or close to a heater). When dust or fingerprints are attached on the DVD/CD-ROM, wipe the DVD/CD-ROMfrom its center to edge with a dry soft cloth slowly and gently. Use the dedicated cleaner to clean the DVD/CD-ROM. Do not use record spray/cleaner,benzene, or thinner. Keep the DVD/CD-ROM in the dedicated case when not in use.Tape MediaThe following describes data handling with the DAT, DLT, or AIT optionally available for theserver. Saving your valuable dataWhen you save your valuable data or programs into the cartridge tape, you should savethem into two cartridge tapes to make the primary and secondary tapes.This enables you to restore your data from one tape when the other makes a read error, aswell as to protect your valuable data and programs from loss. Three-generation data managementNEC recommends that you should employ three-generation data management for datastorage.Three-generation data management uses three cartridge tapes: A, B, and C. You save datato tape A on the first day, tape B on the second day, tape C on the third day, tape A on theforth day, and so on. That is, you save data into cartridge tapes cyclically from tape Athrough C.
