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AIX Version 4.3 Commands Reference, Volume 2

dodisk Command


Initiates disk-usage accounting.


/usr/sbin/acct/dodisk -o ] [ File ... ]


The dodisk command initiates disk-usage accounting by calling the diskusg command and the acctdisk command. If you specify the -o flag with the dodisk command, a more thorough but slower version of disk accounting by login directory is initiated using the acctdusg command. Normally, the cron daemon runs the dodisk command.

By default, the dodisk command does disk accounting only on designated files with stanzas in the /etc/filesystems file and that contain the attribute account=true. If you specify file names with the File parameter, disk accounting is done on only those files.

If you do not specify the -o flag, the File parameter should contain the special file names of mountable file systems. If you specify both the -o flag and the File parameter, the files should be mount points of mounted file systems.

Note: You should not share accounting files among nodes in a distributed environment. Each node should have its own copy of the various accounting files.


-o Calls the acctdusg command, instead of the diskusg command, to initiate disk accounting by login directory.


Access Control: This command should grant execute (x) access only to members of the adm group.


To start automatic disk-usage accounting, add the following to the /var/spool/cron/crontabs/root file:

0 2 * * 4 /usr/sbin/acct/dodisk 

This example shows the instructions that the cron daemon will read and act upon. The dodisk command will run at 2 a.m. (0 2 ) each Thursday (4 ). This command is only one of the accounting instructions normally given to the cron daemon. See "Setting Up an Accounting System" in AIX Version 4.3 System Management Guide: Operating System and Devices for more information on typical cron accounting entries.


/usr/sbin/acct The path to the accounting commands
/etc/filesystems Contains information about file system.

Related Information

The acctdisk or acctdusg command, diskusg command.

The cron daemon.

For more information about the Accounting System, the preparation of daily and monthly reports, and the accounting files, see the Accounting Overview in AIX Version 4.3 System Management Guide: Operating System and Devices.

Setting Up an Accounting System in AIX Version 4.3 System Management Guide: Operating System and Devices explains the steps you must take to establish an accounting system.

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