e4rat.conf(5)

E4RAT.CONF(5)

User Manuals

E4RAT.CONF(5)

NAME

/etc/e4rat.conf - configuration file for the e4rat toolset

DESCRIPTION

e4rat.conf is the configuration file all e4rat binaries. It allows to replace default parameters of the tools.

FILE FORMAT

The file is based on INFO format which is similar to C/C++. For more information see http://www.boost.org/doc/libs/1_45_0/doc/html/boost_propertytree/parsers.html.

An option is declared like this: option1 value1

Options can either be declared globally and/or below a section. Derived from its executable suffix name, each binary owns its own section. Values beyond this section applies to the binary only.

collect {
option value

}

OPTIONS

e4rat has a simple logging structure. Each event has a priority bit. The following priorities exist:
1 errors
2 warnings
4 task statistics
8 information about a single step
16 debug message

verbose: set verbose bit mask of messages to be displayed. [Default: 7]
loglevel: set bit mask of messages send to log_target. [Default: 3]
log_target: set target path where log messages should be written to. Default value is /dev/kmsg. It sends the message to Kernel's log ring buffer. (See also dmesg(1)) Set <log_target> to 'syslog' to send the message to the syslog daemon.
init: Set an alternative init process instead of /sbin/init
startup_log_file: set path to startup log file. [Default: /var/lib/e4rat/startup.log]

Specific for e4rat-collect

timeout: After the expiration of this value in seconds e4rat-collect automatically quits collecting. Timeout takes only into account when e4rat-collect was executed as init process. [Default: 120]
ext4_only: Restrict file watches to ext4 filesystem types only. [Default: true]
exclude_open_files: exclude files which are already opened. [Default: true]

Specific for e4rat-realloc

defrag_mode: set default rearrangement mode of e4rat-realloc. [Default: auto]
auto choose mode automatically
prealloc use user-space pre-allocate ioctl
locality-group create files in locality group
tld create files in top level directory

AUTHOR

Written by Andreas Rid and Gundolf Kiefer.

REPORTING BUGS

Report bugs to Andreas Rid <conso at users.sf.net>.