jfs_logdump.8

jfs 源码

.TH jfs_logdump 8 "October 29, 2002" " " "JFS utility - journal log dump"

.SH NAME
.B jfs_logdump 
\- dump a JFS formatted device's journal log

.SH SYNOPSIS
.B jfs_logdump [ -a ] 
.I device

.SH DESCRIPTION
.PP
.B jfs_logdump 
dumps the contents of the journal log from the specified JFS formatted 
device into output file
.IR ./jfslog.dmp "."
.PP
.I device
is the special file name corresponding to the actual device from
which the journal log will be dumped (e.g. 
.BR /dev/hdb1 " ). "
.PP
.B jfs_logdump 
must be run as root.

.SH OPTIONS
.TP
.B -a
Dump the entire contents of the journal log instead of just the
committed transactions since the last synch point.

.SH EXAMPLE
.LP
Dump the entire JFS journal log from the 3rd partition of the 2nd hard disk into
.IR ./jfslog.dmp :
.IP
.B jfs_logdump -a /dev/hdb3
.IP

.SH REPORTING BUGS
.PP
If you find a bug in 
.B JFS 
or 
.BR jfs_logdump ","
please report it via the bug tracking system ("Report Bugs" section) of the JFS project web site:
.nf
http://oss.software.ibm.com/jfs
.fi
.PP
Please send as much pertinent information as possible, including any 
.B jfs_logdump
error messages and the complete output of running 
.B jfs_fsck 
with the 
.B \-v 
option on the JFS device.

.SH SEE ALSO
.BR jfs_fsck (8),
.BR jfs_mkfs (8),
.BR jfs_fscklog (8),
.BR jfs_tune (8),
.BR jfs_debugfs (8)

.SH AUTHORS
.nf
Barry Arndt  ([e-mail])
William Braswell, Jr.

.fi
.B jfs_logdump
is maintained by IBM.
.nf
See the JFS project web site for more details:
http://oss.software.ibm.com/jfs
.fi