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RRDRESIZE(1)			    rrdtool			  RRDRESIZE(1)

NAME
       rrdresize - alters the size of an RRA and creates a new .rrd file

SYNOPSIS
       rrdtool resize filename rra-num	GROW|SHRINK rows

DESCRIPTION
       The resize function is used to modify the number	of rows	in an RRA.

       filename
	       the name	of the RRD you want to alter.

       rra-num the RRA you want	to alter. You can find the number using	rrd-
	       tool info.

       GROW    used if you want	to add extra rows to an	RRA. The extra rows
	       will be inserted	as the rows that are oldest.

       SHRINK  used if you want	to remove rows from an RRA. The	rows that will
	       be removed are the oldest rows.

       rows    the number of rows you want to add or remove.

NOTES
       The new .rrd file, with the modified RRAs, is written to	the file re-
       size.rrd	in the current directory.  The original	.rrd file is not modi-
       fied.

       It is possible to abuse this tool and get strange results by first re-
       moving some rows	and then reinserting the same amount (effectively
       clearing	them to	be Unknown). You may thus end up with unknown data in
       one RRA while at	the same timestamp this	data is	available in another
       RRA.

AUTHOR
       Alex van	den Bogaerdt <alex@ergens.op.het.net>

1.2.30				  2009-01-19			  RRDRESIZE(1)

NAME | SYNOPSIS | DESCRIPTION | NOTES | AUTHOR

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