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