device-mapper-persistent-data/device-mapper-persistent-da...

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Diff

diff --git a/man8/thin_dump.8 b/man8/thin_dump.8
index b26cc2c..4827e1a 100644
--- a/man8/thin_dump.8
+++ b/man8/thin_dump.8
@@ -5,30 +5,37 @@ thin_dump \- dump thin provisioning metadata from device or file to standard out
.SH SYNOPSIS
.B thin_dump
.RB [options]
-.I {metadata device|file}
+.I {device|file}
.SH DESCRIPTION
.B thin_dump
dumps binary thin provisioning metadata (optionally from alternate block;
see option \-\-metadata-snap) created by the device-mapper
-thin provisioning target on a device or file to standard output for
+thin provisioning target on a
+.I device
+or
+.I file
+to standard output for
analysis or postprocessing in either XML or human readable format.
XML formated metadata can be fed into thin_restore (see
.BR thin_restore(8) )
-in order to put it back onto a metadata device (to process by
-the device-mapper target) or file.
+in order to put it back onto a metadata
+.I device
+(to process by the device-mapper target) or
+.I file.
.IP "\fB\-f, \-\-format\fP \fI{xml|human_readable}\fP".
Print output in XML or human readable format.
.IP "\fB\-r, \-\-repair\fP".
+Repair the metadata whilst dumping it.
.IP "\fB\-m, \-\-metadata_snap\fP [block#]".
Dump metadata snapshot created by device-mapper thin provisioning target.
If block is not provided, access the default metadata snapshot created by
the thin provisioning device-mapper target, else try the one at block#.
See the thin provisioning target documentation on how to create or release
-a metadata snapshot.
+a metadata snapshot and retrieve the block number from the kernel.
.IP "\fB\-h, \-\-help\fP".
Print help and exit.
diff --git a/man8/thin_metadata_size.8 b/man8/thin_metadata_size.8
index 6b00e73..80e572f 100644
--- a/man8/thin_metadata_size.8
+++ b/man8/thin_metadata_size.8
@@ -27,7 +27,7 @@ Default is in sectors without a pool size unit specifier.
.IP "\fB\-m, \-\-max-thins\fP \fI#[bskKmMgGtTpPeEzZyY]\fP"
Maximum sum of all thin provisioned devices and snapshots.
Unit identifier supported to allow for convenient entry of large quantities, eg. 1000000 = 1M.
-Default is absolut quantity without a number unit specifier.
+Default is absolute quantity without a number unit specifier.
.IP "\fB\-u, \-\-unit\fP \fI{bskKmMgGtTpPeEzZyY}\fP"
Output unit specifier in units of bytes,sectors,kilobytes,kibibytes,... respectively.
@@ -43,7 +43,7 @@ Print help and exit.
Output version information and exit.
.SH EXAMPLES
-Calculates the thin privisioning metadata device size for block size 64 kilobytes,
+Calculates the thin provisioning metadata device size for block size 64 kilobytes,
pool size 1 terabytes and maximum number of thin provisioned devices and snapshots of 1000
in units of sectors with long output:
.sp
diff --git a/man8/thin_repair.8 b/man8/thin_repair.8
index 69cddea..1048de5 100644
--- a/man8/thin_repair.8
+++ b/man8/thin_repair.8
@@ -12,9 +12,18 @@ thin_repair \- repair thin provisioning binary metadata from device/file to devi
.SH DESCRIPTION
.B thin_repair
-repairs binary thin provisioning metadata created by the
-respective device-mapper target processing to another device or file.
-If repaired to a metadata device, the metadata can be processed
+reads binary thin provisioning metadata created by the
+respective device-mapper target from one
+.I device
+or
+.I file
+, repairs it and writes it to another
+.I device
+or
+.I file.
+If written to a metadata
+.I device
+, the metadata can be processed
by the device-mapper target.
.IP "\fB\-i, \-\-input\fP \fI{device|file}\fP"
@@ -30,10 +39,10 @@ Print help and exit.
Output version information and exit.
.SH EXAMPLE
-Repairs the binary thin provisioning metadata on file
+Reads the binary thin provisioning metadata from file
.B metadata
-to logical volume /dev/vg/metadata for further processing by the
-respective device-mapper target:
+, repairs it and writes it to logical volume /dev/vg/metadata
+for further processing by the respective device-mapper target:
.sp
.B thin_repair -i metadata -o /dev/vg/metadata
diff --git a/man8/thin_restore.8 b/man8/thin_restore.8
index 8ab2976..dc7eb90 100644
--- a/man8/thin_restore.8
+++ b/man8/thin_restore.8
@@ -15,9 +15,14 @@ thin_restore \- restore thin provisioning metadata file to device or file
restores thin provisioning metadata created by the
respective device-mapper target dumped into an XML formatted (see
.BR thin_dump(8) )
-file, which optionally can be preprocessed to another device or file.
-If restored to a metadata device, the metadata can be processed
-by the device-mapper target.
+.I file
+, which optionally can be preprocessed before the restore to another
+.I device
+or
+.I file.
+If restored to a metadata
+.I device
+, the metadata can be processed by the device-mapper target.
.IP "\fB\-i, \-\-input\fP \fI{device|file}\fP"
Input file or device with metadata.
diff --git a/man8/thin_rmap.8 b/man8/thin_rmap.8
index d68defb..4d74520 100644
--- a/man8/thin_rmap.8
+++ b/man8/thin_rmap.8
@@ -1,16 +1,20 @@
.TH THIN_DUMP 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
.SH NAME
-thin_rmap \- output reverse map of a thin provisioned region of blocks
+thin_rmap \- output reverse map of a thin provisioned region of blocks from metadata device or file
.SH SYNOPSIS
.B thin_rmap
.RB [options]
-.I {metadata device|file}
+.I {device|file}
.SH DESCRIPTION
.B thin_rmap
-outputs the reverse mapping for a region of thin provisioned pool blocks
-to the respective thin provisioned devices.
+outputs the reverse mapping stored in the metadata on a
+.I device
+or
+.I file
+between a region of thin provisioned pool blocks
+and the associated thin provisioned devices.
.IP "\fB\\-\-region\fP \fI<block range>\fP".
output reverse map