PRIMECLUSTER Global File Services Configuration and Administration Guide 4.2 (Solaris(TM) Operating Environment)

B.2.17 sfxtune(1M) - Tunes up the GFS Local File System

[SYNOPSIS]

sfxtune [ specific_options ] special | filesystem

[DESCRIPTION]

The sfxtune command changes the dynamic parameters of GFS Local File System, which affect the layout policies.

Before using sfxtune, unmount the file system.

When using sfxtune, specify the file system in /etc/vfstab.

Specify the parameters that are to be changed with the options below.

When a file system is configured with two or more partitions, specify the special file name under the path name for the representative partition.

[OPTIONS]

specific_options

The following options can be specified for sfxtune.

-m minfree

This option specifies the percentage of file data area that only a super user is allowed to use.

A value can be specified in the range from 0 to 99.

-o[space|time]

This option specifies a file system optimization strategy.

space: Space

time: Access time

-a maxcontig

This option specifies the maximum number of contiguous blocks that can be allocated before waiting for forcible rotation.

-M mminfree

This option specifies the percentage of V-data area that only a super user is allowed to use.

A value can be specified in the range from 0 to 99.

[EXAMPLE]

# sfxtune -m 5 /dev/sfdsk/gfs/dsk/vol0301

[SEE ALSO]

mkfs(1M), fork(2), terminfo(4), attributes(5), largefile(5).