AIX Storage Management

7.2.1.2 Usr Part Files which are in the /usr/lib Directory

liblvm.a This is the Logical Volume Manager Library that is used by many

logical volume manager subroutines. Please refer to programming

information in AIX Version 4.1 Hypertext Information Base Library.

libsm.a This is another logical volume manager library. You can use the

what command to see which functions are in this library. Please

refer to programming information in AIX Version 4.1 Hypertext

Information Base Library.

./methods/deflvm

This is a file that is used during device configurations. Again, it is

only of interest to programmers.

There are no files in the root or share parts of the bos.rte.lvm fileset.

7.2.2 Using File System Administration Commands

7.2.2.1 Usr Part Files which are in the /usr/sbin Directory.

chfs chfs is an object file command that changes file system attributes

such as mount point, permissions, and size.

It is a documented command whose usage is:

chfs [-n Nodename][-m NewMountpoint][-u Group][-A {yes|no}]

[-t {yes|no}] [-p {ro|rw}] [-a Attribute=Value] [-d Attribute]

FileSystem

chvfs chvfs is an object file command that changes entries in the /etc/vfs

file.

It is a documented command whose usage is:

chvfs VfsEntry

crfs crfs is an object file command that creates a file system within a

previously created logical volume.

It is a documented command whose usage is:

crfs -v Vfs {-g Volumegroup | -d Device} -m Mountpoint

[-u Mountgroup] [-A {yes|no}] [-t {yes|no}] [-p {ro|rw}]

[-l Logpartitions] [-n nodename] [-a Attribute=Value]

crvfs crvfs is an object file command that adds entries to the /etc/vfs file.

It is a documented command whose usage is:

crvfs VfsEntry

dfsck dfsck is an object file command that checks for file system

consistency, and allows interactive repair of file systems.

It is a documented command whose usage is:

dfsck [-Options] Filesystem1 ... [-Options] Filesystem2 ...

dumpfs dumpfs is an object file command that prints out the superblock,

i-node map, and disk map for a file system or special device.

It is a documented command whose usage is:

dumpfs {FileSystem | Device}

Chapter 7. Storage Management Files and Commands Summary 151

fdformat fdformat is an object file command that formats diskettes or

read/write optical media disks.

It is a documented command whose usage is:

fdformat [-h] Device

ff ff is an object file command that reads i-node information for the

specified filesystem, and then writes it to stdout.

It is a documented command whose usage is:

ff [-3MIldsu -V Vfs -i Ilist -p Path -n File

-a # -m # -c #] /InputDevice

format format is an object file command that formats diskettes for use by

the system.

It is a documented command whose usage is:

format [-fl][-d Device]

fsck fsck is an object file command that checks for file system

consistency, and allows interactive repair of file systems.

It is a documented command whose usage is:

fsck [-y|-n|-p][-f][-V Vfs][-d #][-i #]

[-t File] [-o Options] Filesystem ...

fsdb fsdb is an object file command that allows the user to examine,

alter, and debug the file system specified in the command.

It is a documented command whose usage is:

fsdb FileSystem [-]

fuser fuser is an object file command that lists the process numbers of

local processes that use the file(s) specified.

It is a documented command whose usage is:

fuser [-ku] File ... [-]

See 7.3, “AIX Version 4 Specific File Features” on page 159 for

changes in the

fuser command.

imfs

imfs is an object file command that is uses information from

/etc/filesystems to export or import logical volumes.

It is an undocumented command whose usage is:

imfs [-xlf] vgname ...

See 7.3, “AIX Version 4 Specific File Features” on page 159 for

changes in the

imfs command.

logform

logform is an object file command that is used to initialize a logical

volume for use a journaled file system log.

It is a documented command whose usage is:

logform LogName

logredo logredo is an object file command that uses the journaled file

system log to reestablish consistency in the specified file system.

It is an undocumented command whose usage is:

logredo [-n] filename

152 AIX Storage Management