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-GNU tar NEWS - User visible changes. 2008-02-08
+GNU tar NEWS - User visible changes. 2008-03-27
Please send GNU tar bug reports to <bug-tar@gnu.org>
@@ -27,6 +27,18 @@ of `--checkpoint-action' options can be specified, the actions will be
executed in order of their appearance in the command line. See
chapter 3.8 "Checkpoints" for a complete description.
+* New options --no-check-device, --check-device.
+
+The `--no-check-device' option disables comparing device numbers during
+preparatory stage of an incremental dump. This allows to avoid
+creating full dumps if the device numbers change (e.g. when using an
+LVM snapshot).
+
+The `--check-device' option enables comparing device numbers. This is
+the default. This option is provided to undo the effect of the previous
+`--no-check-device' option, e.g. if it was set in TAR_OPTIONS
+environment variable.
+
* The --transform option.
Any number of `--transform' options can be given in the command line.