nsr_stage man page on DigitalUNIX

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NSR_STAGE(5)							  NSR_STAGE(5)

NAME
       nsr_stage - NetWorker resource type ``NSR stage''

SYNOPSIS
       type: NSR stage

DESCRIPTION
       Each staging policy used by a NetWorker server is described by a single
       resource of type NSR stage.  See	 nsr_resource(5)  for  information  on
       NetWorker resources.  To edit the NSR stage resources run:

	      nsradmin -c "type:NSR stage"

       Be  careful  to include the space between ``NSR'' and ``stage'' and the
       surrounding quotes.  See nsradmin(1m) for information on using the Net‐
       Worker administration program.

ATTRIBUTES
       The  following attributes are defined for resource type NSR stage.  The
       information in parentheses  describes  how  the	attribute  values  are
       accessed.   Read-only  indicates that the value cannot be changed by an
       administrator.  Read/write means the value can be set as well as	 read.
       Hidden  means  it  is  an  attribute  of	 interest  only to programs or
       experts, and these attributes can only be seen when the	hidden	option
       is  turned on in nsradmin(1m).  Static attributes change values rarely,
       if ever.	 Dynamic attributes have values	 which	change	rapidly.   For
       example,	 an  attribute marked (read-only, static) has a value which is
       set when the attribute is created and  may  never  change.   Additional
       attributes  (for	 example,  administrator) are common to all resources,
       and are described in nsr_resource(5).

       name			   (read-only, single string)
	      The name attribute specifies the staging policy name.

       comment			  (read/write)
	      This attribute is provided for the  administrator	 to  keep  any
	      explanatory remarks or supplementary information about the stag‐
	      ing policy.

       enabled			   (read/write, choice)
	      The enabled attribute determines whether or not  save  sets  are
	      automatically  staged  from devices associated with this policy.
	      It also enables and disables the periodic	 recover space	opera‐
	      tions.  It may be one of two values: Yes, No

       high water mark (%)	   (read/write)
	      The  point  at which save sets should be staged, measured as the
	      percentage of available space used on the file  system.  Staging
	      will continue until the lower mark is reached.

	      Example: high water mark (%): 90;

       low water mark (%)	   (read/write)
	      The  point at which the staging process should stop, measured as
	      the percentage of available space used on the file system.

	      Example: low water mark (%): 80;

       save set selection	   (read/write, choice)
	      Save set selection criteria for staging.	It may be one of  four
	      values:

	      largest save set,
	      smallest save set,
	      oldest save set,
	       or
	      youngest save set.

       destination pool		    (read/write)
	      The pool to which save sets should be sent (see nsr_pool(5)).

       devices			    (read/write, multiple choice)
	      This  attribute  lists  the  file type and adv_file type devices
	      (see nsr_device(5)) associated with this policy to  be  used  as
	      the source of staging.

       max storage period	    (read/write)
	      Specifies	 the maximum duration for a save set in a given volume
	      before it is staged to a different volume.

       max storage period unit	    (read/write, choice, hidden)
	      Specifies the unit for max storage period.  It may be one of two
	      values: days, hours.

       recover space interval	    (read/write, hidden)
	      The  interval  between  recover space operations for recyclable,
	      aborted save sets and save sets with no  entries	in  the	 media
	      database from file or adv_file devices.

       recover space unit	    (read/write, choice, hidden)
	      Specifies the unit for recover space interval.  It may be one of
	      two values: hours, minutes.

       file system check interval   (read/write, hidden)
	      The interval between file system check operations.  Stage opera‐
	      tion  is	invoked	 by  NetWorker	server every file system check
	      interval to determine whether the high water mark or max storage
	      period has been reached to stage the data from the devices asso‐
	      ciated with the policy.

       file system check unit	    (read/write, choice, hidden)
	      Specifies the unit for file system check interval.   It  may  be
	      one of two values: hours, minutes.

       start now		    (read/write, choice)
	      Updating	this attribute will cause the selected operation to be
	      triggered immediately on all devices associated with  this  pol‐
	      icy.  The	 attribute  value will not actually change.  Operation
	      can be one of the following:

	      Check file system - check file system and stage data  if	neces‐
	      sary.
	      Recover  space  - recover space for save sets with no entries in
	      the media database.
	      Stage all save sets - stage all save  sets  to  the  destination
	      pool.

EXAMPLES
       Note:  the hidden options are not shown in the first example.

       The  following  example	shows  a  resource that defines a stage policy
       called `test stage1'.  Save sets will be staged from device `/disk/fd0'
       to  pool	 `Default  Clone'  when	 the file system is 90% full or 7 days
       after the date of the backup, whichever comes first.  The largest  save
       set will be the first to stage to the destination pool:

			       type: NSR stage;
			       name: test stage1;
			    comment: ;
			    enabled: No	  [Yes];
		high water mark (%): 90;
		 low water mark (%): 85;
		 save set selection: largest save set;
		   destination pool: Default Clone;
			    devices: /disk/fd0;
		 max storage period: 7;
			  start now: ;

       The  following  example	shows  a  resource that defines a stage policy
       called `test stage2'.  Save sets will be staged from device `/disk/fd2'
       to pool `Default' when the file system is 95% full or 14 days after the
       date of the backup, whichever comes first.  The smallest save set  will
       be the first to stage to the destination pool.  The file system will be
       checked every 3 hours and a staging operation will be triggered if nec‐
       essary.	A  recover-space  operation will be triggered every 8 hours on
       all devices associated with the policy:

			       type: NSR stage;
			       name: test stage2;
			    comment: ;
			    enabled: No	  [Yes];
		high water mark (%): 95;
		 low water mark (%): 80;
		 save set selection: smallest save set;
		   destination pool: Default;
			    devices: /disk/fd2;
		 max storage period: 14;
	    max storage period unit: Hours   [Days];
	     recover space interval: 8;
		 recover space unit: Minutes   [Hours];
	 file system check interval: 3;
	     file system check unit: Minutes   [Hours];
			  start now: ;
		      administrator: root@omni;
			   hostname: omni;

SEE ALSO
       nsr(5), nsr_device(5), nsrstage(1m), nsrclone(1m), nsradmin(1m),

NetWorker 7.3.2			  Aug 23, 06			  NSR_STAGE(5)
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