zfs/man/man8/zdb.8

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.TH zdb 8 "8 Apr 2011" "ZFS pool 28, filesystem 5" "System Administration Commands"
.SH NAME
zdb \- ZFS debugger
.SH SYNOPSIS
.LP
.nf
\fBzdb\fR \fIpool\fR
.fi

.SH DESCRIPTION
.sp
.LP
The \fBzdb\fR command is used by support engineers to diagnose failures and gather statistics. Since the \fBZFS\fR file system is always consistent on disk and is self-repairing, \fBzdb\fR should only be run under the direction by a support engineer.
.sp
.LP
If no arguments are specified, \fBzdb\fR, performs basic consistency checks on the pool and associated datasets, and report any problems detected.
.sp
.LP
Any options supported by this command are subject to change at any time.
.SH EXIT STATUS
.sp
.LP
The following exit values are returned:
.sp
.ne 2
.mk
.na
\fB\fB0\fR\fR
.ad
.RS 5n
.rt  
The pool is consistent.
.RE

.sp
.ne 2
.mk
.na
\fB\fB1\fR\fR
.ad
.RS 5n
.rt  
An error was detected.
.RE

.sp
.ne 2
.mk
.na
\fB\fB2\fR\fR
.ad
.RS 5n
.rt  
Invalid command line options were specified.
.RE

.SH SEE ALSO
.sp
.LP
\fBzfs\fR(8), \fBzpool\fR(8)