US Robotics 7931 Betriebsanweisung PDF herunterladen (Seite 83)

Chapter 3 Archiving 59

CODE EXAMPLE 3-4 shows that file50 spans three volumes with VSNs of DLT000,

DLT001, and DLT005. The position on the volume and the size of each section is

indicated in the seventh and tenth fields respectively (7eed4.1 and 477609472 for the

first entry), and matches the sls -D output shown in

CODE EXAMPLE 3-5. For a

complete description of the archiver log entry, see the archiver(1M) man page.

CODE EXAMPLE 3-5 shows the sls -D command and output.

Volume overflow files do not generate checksums. For more information on using

checksums, see the ssum(1) man page.

The scanlist_squash Directive: Controlling Scanlist

Consolidation

The scanlist_squash parameter turns scanlist consolidation on or off. The default

setting is off. This parameter can be either global or file-system-specific.

When this option is turned on, the scan list entries for files in two or more

subdirectories with the same parent directory that need to be scanned by

sam-arfind at a much later time are consolidated. This can cause a severe

CODE EXAMPLE 3-4 Archiver Log File Example

A 97/01/13 16:03:29 lt DLT000 big.1 7eed4.1 samfs1 13.7

477609472 00 big/file50 0 0

A 97/01/13 16:03:29 lt DLT001 big.1 7fb80.0 samfs1 13.7

516407296 01 big/file50 0 1

A 97/01/13 16:03:29 lt DLT005 big.1 7eb05.0 samfs1 13.7

505983404 02 big/file50 0 2

CODE EXAMPLE 3-5 sls(1M) -D Command and Output

# sls -D file50

file50:

mode: -rw-rw---- links: 1 owner: gmm group: sam

length: 1500000172 admin id: 7 inode: 1407.5

offline; archdone; stage -n

copy1: ---- Jan 13 15:55 lt

section 0: 477609472 7eed4.1 DLT000

section 1: 516407296 7fb80.0 DLT001

section 2: 505983404 7eb05.0 DLT005

access: Jan 13 17:08 modification: Jan 10 18:03

changed: Jan 10 18:12 attributes: Jan 13 16:34

creation: Jan 10 18:03 residence: Jan 13 17:08

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US Robotics 7931 Betriebsanweisung Seite 83