X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=man%2Fxml-source%2Famanda-taperscan.7.xml;h=6c53d4eafa18fd4a6bb61f5f1d90debbd012fe0c;hb=b221e8dc16f345f8c8d7df8df71f4d36daaabb4c;hp=59745ef6c00148f1348644babef410b15a7e2c68;hpb=d5853102f67d85d8e169f9dbe973ad573306c215;p=debian%2Famanda diff --git a/man/xml-source/amanda-taperscan.7.xml b/man/xml-source/amanda-taperscan.7.xml index 59745ef..6c53d4e 100644 --- a/man/xml-source/amanda-taperscan.7.xml +++ b/man/xml-source/amanda-taperscan.7.xml @@ -43,9 +43,35 @@ remap='B'>taperscan parameter, which has a default value of +DEFINING A TAPERSCAN + +An taperscan is defined in &amconf; as follows: + + +define taperscan $taperscan_name { + comment "$comment" + plugin "$pluginname" + property "$PROPERTY_NAME" "$PROPERTY_VALUE" + ... +} + +and then referenced in the global section as + + taperscan "$taperscan_name" + + +Taperscan properties, like Amanda configuration parameters, are +insensitive to case, and - (dash) and +_ (underscore) may be used interchangeably. + +See the individual plugin documentation below for properties applicable to each +plugin. + + + TAPERSCAN ALGORITHMS -In general, these volumes will only select reusable volumes. These are +In general, these algorithms will only select reusable volumes. These are volumes which are listed in the &tapelist; with the reuse flag, and which are not among the tapecycle-1 most recent volumes in the list. Put another way, reusable volumes do not contain data @@ -76,7 +102,7 @@ use. available in the changer, then the algorithm begins a sequential scan of the changer, starting at the current slot. It selects the first suitable volume it finds: a reusable volume (perhaps newly-labeled) or, if -label_new_tapes is true, a blank volume. Even across +autolabel includes empty, a blank volume. Even across multiple invocations (when runtapes > 1), it will not return the same slot twice. @@ -93,12 +119,49 @@ algorithms. +oldest + +This algorithm works with the Changer API (see ), using the inventory returned by the +changer to locate the oldest acceptable volume available. Note that this +will not work with changers that do not support inventory (old +changers). The algorithms scans +unknown slots only if no known usable volume is found in the inventory. + +An acceptable volume is a reusable volume, a new labeled volume or an +unlabeled volume that can be labeled according to autolabel. +Note that changers do not always know the contents of every slot - for +example, a tape with an unknown barcode will not be considered usable. + +Use amtape CONF inventory to see the changer's inventory, and use +amtape CONF update to update it. + + + +lexical + +This algorithm also works with the Changer API, using the inventory to +determine the acceptable volumes; it then uses the volume which follows the +last-used volume in lexical order. For volume labels containing leading +zeros, e.g., CORP-010, this algorithm will run through +the volumes in the natural order. + +It scans unknown slots only if no usable volume +is found in the inventory. + +See oldest, above, for a definition of acceptable +volumes. + +>>>>>>> 6a40a39... manpage edits + + , , , +,