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Data Backup 12-19
([DPSOHRI([FOXGLQJ)LOHV) URPD%DFNXS
dump 0ufX rst0a tmp,*.o,core*,*backup*,usr\, /vol/vol1
The command performs a level-0 backup of the
/vol/vol1
volume, which excludes
the files that meet one of these requirements:
The name is
tmp
.
The name ends in
.o
(for example,
program.o
).
The name begins with
core
(for example,
core.small
).
The name contains
backup
(for example,
spec.backup.1
).
The name is
usr,
.
([DPSOHRI%DFNLQJ8SWRD7DSH6WDFNHU6KDUHGE\
0XOWLSOH)LOHUV
This section provides a sample schedule for backing up the following filers to the
same tape stacker:
filer1, which contains 3 volumes
filer2, which contains 2 volumes
filer3, which contains 2 volumes
The schedule uses the following assumptions:
The level-0 backup takes 10 hours.
The tape stacker is attached to filer1, and the tape stacker contains two tape
drives.
Root on each filer has the permission to write to filer1
According to this schedule, the filers perform the following types of backups:
The filers fully back up each volume once a week.
The filers perform a level-1 backup and a level-2 backup for each volume every
week.
The filers do not rewind the tape for each level-1 backup so that the subsequent
level-2 backup can be written immediately after the level-1 backup on the tape.
Table 12-2 shows the sample backup schedule: