12-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
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You must meet all the prerequisites described in Prerequisites for the Dump
Command.
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You can run up to four
dump
commands in parallel.
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Follow these steps to execute a
dump
command:
1. Prepare the number of tapes required, following the steps described in Deter-
mining the Number of Tapes for the Backup.
2. Determine and note the blocking factor used in the backup. For more information
about blocking factors, refer to Meaning of Tape Block.
3. Determine and note the tape file size used in the backup. For more information
about tape file size, refer to Meaning of Tape File.
4. Enter the
dump
command in the appropriate format, using the examples that fol-
low as a guide.
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The following list provides examples of level-0 backups to a local tape file.
dump 0f rst0a /vol/vol1/users/tom/specs
The command performs a full backup of the
/vol/vol1/users/tom/specs
directory.
After the
dump
command is finished, the filer rewinds the tape.
dump 0uf rst0a /vol/vol1/users/tom
The command performs a full backup of the
/vol/vol1/users/tom
directory and
records the backup in the
/etc/dumpdates
file.
dump 0fQ rst0a /vol/vol1
The command performs a full backup of all data in the
/vol/vol1
volume that does
not belong in any qtrees.
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dump 0f filer1:nrst0a /vol/vol1
The command performs a backup to a tape drive attached to a filer named filer1.
dump 0f unix_machine:/dev/rst0 /vol/vol1
The command performs a backup to a tape drive on a UNIX system.
