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Chapter 3 Archiving 85

Setting Archive Priorities: -priority

The Sun StorageTek SAM file systems offer a configurable priority system for

archiving files. Each file is assigned a priority computed from properties of the file

and priority multipliers that can be set for each archive set in the archiver.cmd

file. Properties include online/offline, age, number of copies made, and size.

By default, the files in an archive request are not sorted, and all property multipliers

are zero. This results in files being archived in first-found, first-archived order. You

can control the order in which files are archived by setting priorities and sort

methods. The following are examples of priorities that you can set:

■ Select the priority sort method to archive files within an archive request in

priority order.

■ Change the archive_loaded priority to reduce media loads.

■ Change the offline priority to cause online files to be archived before offline

files.

■ Change the copy# priorities to make archive copies in copy order.

TABLE 3-20 lists the archive priorities.

TABLE 3-20 Archive Priorities

Archive Priority Definition

-priority age value Archive age property multiplier

-priority archive_immediate value Archive immediate property multiplier

-priority archive_overflow value Multiple archive volumes property multiplier

-priority archive_loaded value Archive volume loaded property multiplier

-priority copies value Copies made property multiplier

-priority copy1 value Copy 1 property multiplier

-priority copy2 value Copy 2 property multiplier

-priority copy3 value Copy 3 property multiplier

-priority copy4 value Copy 4 property multiplier

-priority offline value File offline property multiplier

-priority queuewait value Queue wait property multiplier

-priority rearchive value Rearchive property multiplier

-priority reqrelease value Reqrelease property multiplier

-priority size value File size property multiplier

-priority stage_loaded value Stage volume loaded property multiplier

-priority stage_overflow value Multiple stage volumes property multiplier

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 287 288

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