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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/unix-v10/man8/dump.8 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/unix-v10/man8/dump.8')
| -rw-r--r-- | static/unix-v10/man8/dump.8 | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/static/unix-v10/man8/dump.8 b/static/unix-v10/man8/dump.8 new file mode 100644 index 00000000..51a70ec8 --- /dev/null +++ b/static/unix-v10/man8/dump.8 @@ -0,0 +1,94 @@ +.th DUMP VIII 11/24/73 +.sh NAME +dump \*- incremental file system dump +.sh SYNOPSIS +.bd dump +[ key [ arguments ] filesystem ] +.sh DESCRIPTION +.it Dump +will make an incremental file system dump +on magtape +of all files changed after a certain date. +The argument +.it key, +specifies the date and other options about the dump. +.it Key +consists of characters from +the set +.bd iu0hds. +.s3 +.lp +5 3 +\fBi\fR the +dump date is taken from the file +.bd /etc/ddate. +.s3 +.lp +5 3 +\fBu\fR the date just prior to this dump +is written on +.bd /etc/ddate +upon successful completion of this dump. +.s3 +.lp +5 3 +\fB0\fR the dump date is taken as the epoch +(beginning of time). +Thus this option causes an entire file system dump to be taken. +.s3 +.lp +5 3 +\fBh\fR the dump date is some number of hours before the current date. +The number of hours is taken from the next argument in +.it arguments. +.s3 +.lp +5 3 +\fBd\fR the dump date is some number of days before the current date. +The number of days is taken from the next argument in +.it arguments. +.s3 +.lp +5 3 +\fBs\fR the size of the dump tape is specified in feet. +The number of feet is taken from the next argument in +.it arguments. +It is assumed that there are 9 standard UNIX records per foot. +When the specified size is reached, +the dump will wait for reels to be changed. +The default size is 1700 feet. +.s3 +.i0 +If no arguments are given, +the +.it key +is assumed to be +.bd i +and the file system is +assumed to be +.bd /dev/rp1. +.s3 +Full dumps +should be taken on quiet file systems as follows: +.s3 + dump 0u /dev/rp1 +.br + check -l /dev/rp1 +.s3 +The +.it check +will come in handy in case it is necessary +to resore indiviidual files from this dump. +Incremental dumps should then be taken +when desired by: +.s3 + dump +.s3 +When the incremental dumps get cumbersome, +a new complete dump should be taken. +In this way, +a restore requires +loading of the complete dump tape and only the latest incremental tape. +.sh FILES +/dev/mt0 magtape +.br +/dev/rp1 default file system +.br +/etc/ddate +.sh "SEE ALSO" +restor, check(VIII), dump(V) +.sh BUGS |
