.\"
.\"
.\" Copyright 2012, Richard Lowe.
+.\" Copyright (c) 2012 by Delphix. All rights reserved.
.\"
.TH "ZDB" "8" "February 15, 2012" "" ""
.SH "SYNOPSIS"
\fBzdb\fR [-CumdibcsDvhLXFPA] [-e [-p \fIpath\fR...]] [-t \fItxg\fR]
- \fIpoolname\fR [\fIobject\fR ...]
+ [-U \fIcache\fR] [-M \fIinflight I/Os\fR] [\fIpoolname\fR
+ [\fIobject\fR ...]]
.P
-\fBzdb\fR [-divPA] [-e [-p \fIpath\fR...]] \fIdataset\fR [\fIobject\fR ...]
+\fBzdb\fR [-divPA] [-e [-p \fIpath\fR...]] [-U \fIcache\fR]
+ \fIdataset\fR [\fIobject\fR ...]
.P
-\fBzdb\fR -m [-LXFPA] [-t \fItxg\fR] [-e [-p \fIpath\fR...]] \fIpoolname\fR
- [\fIvdev\fR [\fImetaslab\fR ...]]
+\fBzdb\fR -m [-LXFPA] [-t \fItxg\fR] [-e [-p \fIpath\fR...]] [-U \fIcache\fR]
+ \fIpoolname\fR [\fIvdev\fR [\fImetaslab\fR ...]]
.P
-\fBzdb\fR -R [-A] [-e [-p \fIpath\fR...]] \fIpoolname\fR
+\fBzdb\fR -R [-A] [-e [-p \fIpath\fR...]] [-U \fIcache\fR] \fIpoolname\fR
\fIvdev\fR:\fIoffset\fR:\fIsize\fR[:\fIflags\fR]
.P
-\fBzdb\fR -S [-AP] [-e [-p \fIpath\fR...]] \fIpoolname\fR
+\fBzdb\fR -S [-AP] [-e [-p \fIpath\fR...]] [-U \fIcache\fR] \fIpoolname\fR
.P
\fBzdb\fR -l [-uA] \fIdevice\fR
transactions.
.RE
+.sp
+.ne 2
+.na
+\fB-M \fIinflight I/Os\fR \fR
+.ad
+.sp .6
+.RS 4n
+Limit the number of outstanding checksum I/Os to the specified value. The
+default value is 200. This option affects the performance of the \fB-c\fR
+option.
+.RE
+
.sp
.ne 2
.na
.ad
.sp .6
.RS 4n
-Use a cache file other than \fB/etc/zfs/zpool.cache\fR. This option is only
-valid with \fB-C\fR
+Use a cache file other than \fB/etc/zfs/zpool.cache\fR.
.RE
.sp