3 backup, tobackup, dumparenas, restore \- backup venti arenas to blu-ray discs or restore from them
32 These programs reside in
34 and provide a means to backup
36 storage to Blu-ray (or other large optical) discs,
37 while keeping track of which arenas have been written to which discs.
38 Multiple backup sets are supported,
41 store from a backup thus made.
46 it will dump all sealed
50 it will append only those sealed arenas not already written to a disc
51 within the given backup set.
56 other than the default.
59 option uses a disc burner
60 other than the default
64 option goes through the motions but does not burn any tracks
68 run on the default dump set,
70 will also print the last few
75 prints the names of all the sealed arenas not yet backed up to a disc
85 which is first mounted via
88 is used to extract each arena.
93 are invoked internally by
97 copies each data track (assumed to be a saved arena) on
101 into its appropriate place in the
105 .BR /dev/sde0/arenas ),
106 thus adding the arena to the current
109 The arena size of the arena partition must match the size of the arenas
110 on optical disc (except for ~60K of trailing debris on the optical disc arenas).
113 must be the number (starting from zero)
114 of the first arena slot in the arenas partition that
115 you wish to restore into from the current optical disc
117 necessarily that of the first arena on the disc).
119 will prompt for confirmation that the first arena is the correct one,
120 after printing a summary of its arena header.
123 will proceed normally,
125 will abort all processing,
130 to proceed to the next track and ask for confirmation of it.
132 The arenas partition must be formatted
137 before restoring into it.
138 When all the arenas have been restored,
139 it will be necessary to build a new
142 the usual steps being to run
148 .IR "buildindex -b" ,
155 backup scripts and records
158 subdirectory containing records for default backup set
161 source of dump scores
171 .IR "Venti Backup on Blu-Ray Discs"
173 Assumes a single arenas partition named
175 Assumes that the file server's arenas are accessible on it as