Root Device Files

mkrs, by default, uses the follo wing device ￿les for the root device:

/dev/dsk/0s0

/dev/root

/dev/hd

If none of the abo ve defaults exist on the system, one of these device ￿les m ust be created or the -roption must be used to specify the device ￿le to be used. The root device ￿le m ust be a block device ￿le.

If You Have a Problem

An error message results if:

None of the default device ￿les for the reco very device exist and the -f option is not used to specify a reco very device ￿le.

5 None of the default device ￿les for the root device exist and the -r option is not used to specify a root device ￿le.

The machine type cannot be determined and the -m option is not used to specify the machine type.

Backing Up Your File Systems

Preparation:

The following procedure sets up a sc heduled backup:

1. If your system is more than six mon ths old, you have non-HP supported software, or you have never done a backup before, see System Administration Tasks or Installing and Up dating HP-UX 9.0 before proceeding. Otherwise, SAM will provide interactive guidance. To use SAM, do the follo wing:

2.Log in as root.

3.Type /usr/bin/sam .

4. Choose Backup and Recovery from the opening men u.

5.Choose Backup Devices (to determine what bac kup devices are connected) or Automated Backups .

5-4 Backing Up, Restoring, and Updating Your Software

FINAL TRIM SIZE : 7.0 in x 8.5 in