HP-UX Reference (11i v1 00/12) - 1M System Administration Commands A-M (vol 3)

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STANDARD Printed by: Nora Chuang [nchuang] STANDARD

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fsdb_vxfs(1M) fsdb_vxfs(1M)

ino Inode number

nm Entry name

nmlen Name length

reclen Record length (only if in a data block)

hnext Name hash next (only if in a data block)

It is best to separate each token on a command line with a space. Although the command parser does not

require element separation, there is no ambiguity in the command language if each token is separated with

a space. For example, the command 0x23b b sets the current position to block 0x23b hexadecimal. The

command 0x23bb is invalid, because the command is parsed as simply a hexadecimal number. The com-

mand 23b positions to block 23 decimal, since the command is not ambiguous.

You can separate commands with new lines. You can put multiple commands on one line and separate

them with a dot (.) or a semicolon (;) If multiple commands are placed on one line, generally only the last

command displays results. This allows positioning commands to be followed by printing commands or

change commands without intermediate printing.

fsdb maintains several positions in the ﬁle system:

• current position

• current primary-inode position (i)

• current attribute-inode position (ai)

• current inode type (i or ai)

• current ﬁleset-header position (fset)

• current allocation-unit position (au)

• current primary-inode allocation-unit (iau) position

• current inode allocation-unit type (iau or aiau)

• current attribute-inode allocation-unit (aiau) position

These are used by various fsdb commands. (The au positions are only supported on the Version 2 disk

layout.)

The following commands are supported:

# B|H|W|D Set the current position in the ﬁle system to the speciﬁed offset in bytes, half-words,

words, or double-words. If it is the last command on a line, print the byte, half-word,

word, or double-words in hexadecimal.

+|- # B|H|W|D

Set the current position to the speciﬁed relative offset in bytes, half-words, words, or

double-words. If it is the last command on a line, print the byte, half-word, word, or

double-words in hexadecimal.

#au Set the current position in the ﬁle system to the speciﬁed allocation unit (au) position.

Set the current allocation unit position to the resulting offset. If it is the last com-

mand on a line, print the allocation unit header.

+|- # au Set the current position in the ﬁle system to the speciﬁed position relative to the

current allocation unit (au) position. Set the current allocation unit position to the

resulting offset. If it is the last command on a line, print the allocation unit header.

au Set the current position in the ﬁle system to the current allocation unit position. If it

is the last command on a line, print the allocation unit header.

#b Set the current position in the ﬁle system to the speciﬁed offset in blocks. Set the

current block position to the resulting offset. The block size is the block size of the ﬁle

system. If it is the last command on a line, print the ﬁrst word in the block in hexade-

cimal.

+|- # b Set the current position to speciﬁed relative offset in blocks. Set the current block

position to the resulting offset. If it is the last command on a line, print the ﬁrst word

in the block in hexadecimal.

HP-UX Release 11i: December 2000 − 4 − Section 1M−−269

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