The blocks ofĭata with their checkpoint records are also separated by EOF Treated as a normal end-of-media condition. Or, (2) if the volume is not too severely damaged, the goodĭata before the error can be saved, and the write error is If a write error isĭetected, the user normally has two options: (1) a new volumeĬan be mounted and that volume rewritten from the beginning Information (tape label, volume header, index, data) are + When using magnetic tape devices, the main blocks of Specific differences in the structure of fbackup volumes are listed The only index guaranteed to be correct inĪll cases is the on-line index ( -I option), which is produced after It was removed after the index was created, but before fbackupĪttempted to back it up). Volume, but it may not have actually been backed up (for example, if The index on the last volume may indicate that a file resides on that IndicesĪre accurate only for the previous volumes in the same set. Volume, an erroneous assumption for all but the last volume. At the beginning of every volume,įbackup assumes that all files not already backed up will fit on that + session index (size in field of volume header)Įach file entry in the index contains the file size, the volume numberĪnd the pathname of the file. + reserved space for ASCII tape label (1024 bytes) There are some small specific differences due The general structure of an fbackup volume is the same, no matter what The same graph file because fbackup treats them as two different graph Caution must be exercised toĮnsure that, for example, graph and. When checking the previous-backup database file to ascertain when a Graph file names are compared character-by-character These second lines serve only to make the dates file STARTED:, the start time, the local equivalent of ENDED:, and theĮnding time. These lines contain the local equivalent of The second line of each pair contains the same two times, but in Items appear on the first line of each pair: the graph file name,īackup level, starting time, and ending time (both in time(2) format). Hewlett-Packard Company - 1 - HP-UX 11i Version 2: August 2003 Session are recorded on separate pairs of lines. When an fbackup session completes successfully. The -d option can be used to specifyĪn alternate database file. var/adm/fbackupfiles must be created prior to the first time fbackup fbackup maintains this data in the text file If fbackup is used for incremental backups, a database of past backups Incremental backup will also be on the backup media, even if theĭirectories do not qualify on their own status. Allĭirectories lying on the path to a file that qualifies for the The time that same session ended, the file is not backed up.
Last appropriate session began and the i-node change time is before If a file's modification time is before the time when the The database file is searched for the most recent previous backup at Incremental backup is being done at level 4 and the -g option is used,
Modified since a previous backup of that graph are selected. Whenĭoing incremental backups, only files in the graph that have been
#Fbackup 5 version full
When doing full backups, all files in the graph are selected. Incremental) in which fbackup is being used. The selectivity depends on the mode (full or Provides an easier interface for controlling the backup graph.įbackup selects files in this graph, and attempts to transfer them to For backups being done on a regular basis, the -g option e options on the command line, or by using the -g option with a graphįile. The user can construct an arbitrary graph of files by using the -i or Trees of files to be included or excluded from an fbackup session. The selection of files to back up is done by explicitly specifying (for example, a DLT tape drive), the standard output, a rewritable The output device can be a raw magnetic tape drive Necessary to restore it to an equivalent state are copied to the For eachįile transferred, the file's contents and all the relevant information High-speed file system backup mechanism (see dump(1M) and ftio(1)).įbackup selectively transfers files to an output device. ĭESCRIPTION fbackup combines features of dump and ftio to provide a flexible, Man pages -> HP-UX 11i man pages -> fbackup (1m)įbackup(1M) fbackup(1M) NAME
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