Backing Up and Restoring Disk Information
Guardian User’s Guide — 425266-001
11 -24
Running Backcopy
source-tape
Name of the tape drive that reads the tape you are duplicating, or a TAPE DEFINE
name.
dest-tape
Name of the tape drive(s) where the duplicate tape(s) is written, or a TAPE DEFINE
name.
*.*.*
Specifies all files on the source tape. You cannot specify individual files.
command-option
A Backcopy command option:
Backcopy copies all files. If Backcopy cannot read a file because of a parity or
checksum error, it displays an error message and the tape duplication fails.
A duplicate tape generated with Backcopy is different from a parallel tape copy
generated with Backup:
•
When parallel copies are made with Backup, both copies contain exactly the same
amount of information on each reel. You mount new tape reels for both copies at the
same time. Backup makes identical copies so that each reel of tape is
interchangeable with its corresponding copy during a Restore.
•
When you make a second copy with Backcopy, the amount of information on each
tape reel can vary between the copies. You mount a new tape whenever a drive
reaches the end of reel; you do not necessarily change tape reels for both copies at
the same time. The individual reels are not interchangeable; only the whole
duplicate tape set is interchangeable with the original set.
Table 11-5. Backcopy Command Options
Option
Function
ARCHIVEFORMAT
Specifies the archive tape format (tape version 3)
DENSITY
Specifies the tape density in bits per inch (bpi)
LISTALL
Lists all files copied, including any files that cause errors
NOUNLOADIN
Causes the last source tape not to be unloaded
NOUNLOADOUT
Causes the last destination tape (or tapes) not to be unloaded
PAGELENGTH
Lets users specify between 20 and 100 lines per page to be displayed
on a utility listing (default value is 60)
TAPEMODE
Specifies the tape mode for streaming tape drives
VERIFYREEL
Makes Backcopy verify each tape reel after the reel is written
Содержание Guardian
Страница 24: ...About This Guide Guardian User s Guide 425266 001 xxii Your Comments Invited ...
Страница 30: ...Part I Using the Compaq Tandem Advanced Command Language TACL Guardian User s Guide 425266 001 ...
Страница 100: ...Part II Managing Files Using the File Utility Program FUP Guardian User s Guide 425266 001 ...
Страница 146: ...Part III Managing Disk and Tape Processes Guardian User s Guide 425266 001 ...
Страница 232: ...Backing Up and Restoring Disk Information Guardian User s Guide 425266 001 11 26 Backcopy Examples ...
Страница 234: ...Part IV Using the Spooler and Its Utilities Guardian User s Guide 425266 001 ...
Страница 248: ...Introduction to the Spooler Guardian User s Guide 425266 001 12 14 Sending Output to a SPOOL DEFINE ...
Страница 300: ...Performing Routine Spooler Operations Using Spoolcom Guardian User s Guide 425266 001 14 38 Problem Solving Summary ...
Страница 322: ...Part V Security Features and Other Guardian Utilities Guardian User s Guide 425266 001 ...
Страница 368: ...Monitoring Event Messages Guardian User s Guide 425266 001 17 14 Using the Event Viewer ...
Страница 378: ...Displaying Version and System Information Guardian User s Guide 425266 001 18 10 Task 2 Interpret SYSINFO Output ...
Страница 410: ...Monitoring Hardware Components Guardian User s Guide 425266 001 19 32 Automating System Monitoring ...
Страница 460: ...Index Guardian User s Guide 425266 001 Index 24 Special Characters ...