bootable backup tapes and periodic backup tapes, and for installing software
updates. The IRIS workstation can be booted from the cartridge tape drive in
case the root file system on the disk is damaged (see Section 4.5.3).
The half-inch tape drive can be used for making periodic backup tapes and for
transferring files, but it is not a bootable device.
The tape drives can be used with either tar(1) or cpio(1), the standard Un i x
archiving tools. Use the mkboot(1M) command to make a bootable backup
cartridge tape.
4.4.1 Making a Bootable Backup Tape
The bootable backup tape can be used to boot the workstation and rebuild the
disk in case the file system on the disk is damaged beyond use. Make a
bootable backup tape as soon as you install a new workstation. Make a new
bootable backup tape whenever you install a new software distribution or
change the size of the swap partition on your disk.
To make a bootable backup tape, follow these steps:
1. Become the super-user and reboot the system into single-user mode:
su
reboot
b
fsck
Correct any errors reported by fsck.
2. Change your working directory to the root file system:
cd /
3. Mount the /usr file system:
IRIS 3020:
mount /dev/md0c /usr
IRIS 3030:
mount /dev/si0f /usr
If /usr is too large, back it up onto a separate tape, using the procedure
described in Section 4.4.2.
4. Put a tape in the tape drive.
4-20 IRIS OWNER’S GUIDE
SERIES 3000 Version 1.1
Workstation Administration
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