US Robotics 7931 Podręcznik Użytkownika Pobierz pdf (Strona 145)

Chapter 4 Releasing 121

User Option Summary

As system administrator, you can set maximum and default values for the size of a

file stub that can remain in disk cache after the file is released. You can also

determine whether the partial release feature is enabled for a particular file system.

By using the release(1) command and the sam_release(3) library routines,

however, a user can set other release attributes and can specify the files to be marked

for partial release. The command and library options that determine partial release

attributes are shown in

TABLE 4-2. For more information about the release(1)

command, see the release(1) man page. For more information about the

sam_release(3) library routine, see the sam_release(3) man page.

About the releaser.cmd File

The /etc/opt/SUNWsamfs/releaser.cmd file consists of directive lines that

specify site-specific releasing actions. The releaser.cmd file can contain directives

for setting the release priority, specifying a log file, and other actions.

TABLE 4-2 User Release Options

Options Effect

release(1) command and –p option

sam_release(3) library routine and p option

The –p and p options mark the named file for

partial release. If these options are used, the

amount of the file remaining in online disk cache

after the file is released depends on the value of

the –o partial=n option that was set when the

file system in which the file resides was mounted.

These options cannot be used to specify the

number of bytes to remain online.

release(1) command and –s partial_size option

sam_release(3) library routine and s option

The –s and s options mark the named file for

partial release, and they specify the amount of the

file to remain in online disk cache. The arguments

to the –s or s options specify the amount, in

kilobytes, to remain online.

A user cannot specify that the amount of a file

remaining online be greater than the amount

specified for the –o maxpartial=n value when

the file system was mounted. If the user’s value is

greater than the value for the file system, the

value for the file system is used, and the user’s

specification is ignored.

1 2 ... 140 141 142 143 144 145 146 147 148 149 150 ... 287 288

Brak uwag

US Robotics 7931 Podręcznik Użytkownika Strona 145