usr/src/local/ukc/dump/dumpdev.8

.TH DOADUMP 8 "UKC local %G%"
.SH NAME
doadump,dumpall \- perform cyclic file system dumps
.SH SYNOPSIS
.B /etc/doadump
.I file-system
.br
.B /etc/dumpall
.SH DESCRIPTION
.I Doadump
is used to perform cyclic dumps of the filesystem given as an argument.
It uses the locally added tape labelling facilities of the
.I dump
(8)
command and some data files on /etc/dumpdata which give the current
dump state and a description of the cycle which is to be used.
.PP
The main data file is
.B /etc/dumpdata/dumpcycle
which contains lines of data which specify which tape set and dump level
are to be used for a particular dump in the cycle.
The file can contain lines starting with `#' which are comments.
The columns on the file are tab separated and are:
.TP "\w'Cycle number'u+3"
Name
the name of the device to be dumped, this is the block device name
( hp0a not rhp0a).
.IP "Cycle Number"
This is a number which defines the state number in the cycle to which this
line refers.
.IP "Next Cycle"
The entry gives the next entry in the cycle.
.IP "Dump level"
The dump level which is to be used for the dump.
.IP "Tapes"
A single tape, a tape range or a list of tapes which are to be used for the
dump in that state.
.PP
The program maintains a file called /etc/dumpdata/<device>.state
which contains the
cycle number of the last dump action on that file system.
.PP
The program
.I /etc/dumpall
uses the
.I dump
(8)
program to determine which file systems require dumping and calls doadump
appropriately.
.SH FILES
/etc/dumpdata/dumpcycle
.br
/etc/dumpdata/<device>.state
.SH "SEE ALSO"
dump(8), restore(8), dumplabel(8)
.SH AUTHOR
Peter Collinson, UKC