New upstream version 0.2.8 introducing cache_{check,dump,repair,restore}
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Heinz Mauelshagen
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93bccb1ebf
commit
70cb8d0903
4 changed files with 295 additions and 5 deletions
270
device-mapper-persistent-data-0.2.8-1-missing-man-pages.patch
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270
device-mapper-persistent-data-0.2.8-1-missing-man-pages.patch
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diff --git a/man8/cache_check.8 b/man8/cache_check.8
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new file mode 100644
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index 0000000..5cc7dff
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--- /dev/null
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+++ b/man8/cache_check.8
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@@ -0,0 +1,62 @@
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+.TH CACHE_CHECK 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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+.SH NAME
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+cache_check \- repair cache metadata on device or file
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+
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+.SH SYNOPSIS
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+.B cache_check
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+.RB [ options ]
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+.I {device|file}
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+
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+.SH DESCRIPTION
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+.B cache_check
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+checks cache metadata created by
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+the device-mapper cache target on a
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+.I device
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+or
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+.I file.
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+
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+.SH OPTIONS
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+.IP "\fB\-q, \-\-quiet\fP"
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+Suppress output messages, return only exit code.
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+
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+.IP "\fB\-h, \-\-help\fP"
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+Print help and exit.
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+
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+.IP "\fB\-V, \-\-version\fP"
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+Output version information and exit.
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+
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+.IP "\fB\-\-super\-block\-only\fP"
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+Only check the superblock is present.
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+
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+.IP "\fB\-\-skip-mappings\fP"
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+Skip checking of the block mappings which make up the bulk of the
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+metadata.
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+
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+.IP "\fB\-\-skip-hints\fP"
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+Skip checking of the policy hint values metadata.
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+
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+.IP "\fB\-\-skip-discards\fP"
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+Skip checking of the discard bits in the metadata.
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+
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+.SH EXAMPLE
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+Analyses and repairs cache metadata on logical volume
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+/dev/vg/metadata:
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+.sp
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+.B cache_check /dev/vg/metadata
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+
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+The device may not be actively used by the target
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+when running.
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+
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+.SH DIAGNOSTICS
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+.B cache_check
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+returns an exit code of 0 for success or 1 for error.
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+
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+.SH SEE ALSO
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+.B cache_dump(8)
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+.B cache_repair(8)
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+.B cache_restore(8)
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+
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+.SH AUTHOR
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+Joe Thornber <ejt@redhat.com>
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+.br
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+Heinz Mauelshagen <HeinzM@RedHat.com>
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diff --git a/man8/cache_dump.8 b/man8/cache_dump.8
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new file mode 100644
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index 0000000..a0c2924
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--- /dev/null
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+++ b/man8/cache_dump.8
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@@ -0,0 +1,59 @@
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+.TH CACHE_DUMP 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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+.SH NAME
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+cache_dump \- dump cache metadata from device or file to standard output
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+
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+.SH SYNOPSIS
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+.B cache_dump
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+.RB [options]
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+.I {device|file}
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+
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+.SH DESCRIPTION
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+.B cache_dump
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+dumps binary cache metadata created by
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+the device-mapper cache 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 XML format.
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+XML formated metadata can be fed into cache_restore (see
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+.BR cache_restore(8) )
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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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+
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+.IP "\fB\-r, \-\-repair\fP".
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+Repair the metadata whilst dumping it.
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+
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+.IP "\fB\-h, \-\-help\fP".
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+Print help and exit.
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+
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+.IP "\fB\-V, \-\-version\fP".
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+Output version information and exit.
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+
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+.SH EXAMPLES
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+Dumps the cache metadata on logical volume /dev/vg/metadata
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+to standard output in XML format:
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+.sp
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+.B cache_dump /dev/vg/metadata
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+
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+.SH EXAMPLES
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+Dumps the cache metadata on logical volume /dev/vg/metadata
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+whilst repairing it to standard output in XML format:
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+.sp
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+.B cache_dump --repair /dev/vg/metadata
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+
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+.SH DIAGNOSTICS
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+.B cache_dump
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+returns an exit code of 0 for success or 1 for error.
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+
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+.SH SEE ALSO
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+.B cache_check(8)
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+.B cache_repair(8)
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+.B cache_restore(8)
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+
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+.SH AUTHOR
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+Joe Thornber <ejt@redhat.com>
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+.br
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+Heinz Mauelshagen <HeinzM@RedHat.com>
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diff --git a/man8/cache_repair.8 b/man8/cache_repair.8
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new file mode 100644
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index 0000000..ef04a7f
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--- /dev/null
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+++ b/man8/cache_repair.8
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@@ -0,0 +1,61 @@
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+.TH CACHE_REPAIR 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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+.SH NAME
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+cache_repair \- repair cache binary metadata from device/file to device/file
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+
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+.SH SYNOPSIS
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+.B cache_repair
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+.RB [ options ]
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+.RB -i
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+.I {device|file}
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+.RB -o
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+.I {device|file}
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+
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+.SH DESCRIPTION
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+.B cache_repair
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+reads binary cache 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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+
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+.IP "\fB\-i, \-\-input\fP \fI{device|file}\fP"
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+Input file or device with binary metadata.
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+
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+.IP "\fB\-o, \-\-output\fP \fI{device|file}\fP"
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+Output file or device for repaired binary metadata.
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+
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+.IP "\fB\-h, \-\-help\fP"
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+Print help and exit.
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+
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+.IP "\fB\-V, \-\-version\fP"
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+Output version information and exit.
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+
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+.SH EXAMPLE
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+Reads the binary cache metadata from file
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+.B metadata
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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 cache_repair -i metadata -o /dev/vg/metadata
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+
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+.SH DIAGNOSTICS
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+.B cache_repair
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+returns an exit code of 0 for success or 1 for error.
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+
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+.SH SEE ALSO
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+.B cache_dump(8)
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+.B cache_check(8)
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+.B cache_restore(8)
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+
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+.SH AUTHOR
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+Joe Thornber <ejt@redhat.com>
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+.br
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+Heinz Mauelshagen <HeinzM@RedHat.com>
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diff --git a/man8/cache_restore.8 b/man8/cache_restore.8
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new file mode 100644
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index 0000000..5f9fdca
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--- /dev/null
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+++ b/man8/cache_restore.8
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@@ -0,0 +1,64 @@
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+.TH CACHE_RESTORE 8 "Thin Provisioning Tools" "Red Hat, Inc." \" -*- nroff -*-
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+.SH NAME
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+cache_restore \- restore cache metadata file to device or file
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+
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+.SH SYNOPSIS
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+.B cache_restore
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+.RB [ options ]
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+.RB -i
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+.I {device|file}
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+.RB -o
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+.I {device|file}
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+
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+.SH DESCRIPTION
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+.B cache_restore
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+restores cache metadata created by the respective
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+device-mapper target dumped into an XML formatted (see
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+.BR cache_dump(8) )
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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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+
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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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+
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+.IP "\fB\-o, \-\-output\fP \fI{device|file}\fP"
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+Output file or device.
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+
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+.IP "\fB{\-\-debug-override-metadata-version}\fP \fI<integer>\fP"
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+ONLY FOR DEBUGGING PURPOSES:
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+.br
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+override the version stored in the metadata.
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+
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+.IP "\fB\-h, \-\-help\fP"
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+Print help and exit.
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+
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+.IP "\fB\-V, \-\-version\fP"
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+Output version information and exit.
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+
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+.SH EXAMPLE
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+Restores the XML formatted cache metadata on 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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+.sp
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+.B cache_restore -i metadata -o /dev/vg/metadata
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+
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+.SH DIAGNOSTICS
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+.B cache_restore
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+returns an exit code of 0 for success or 1 for error.
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+
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+.SH SEE ALSO
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+.B cache_dump(8)
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+.B cache_check(8)
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+.B cache_repair(8)
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+
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+.SH AUTHOR
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+Joe Thornber <ejt@redhat.com>
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+.br
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+Heinz Mauelshagen <HeinzM@RedHat.com>
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