3 rrdfirst - Return the date of the first data sample in an RRA within an RRD
7 B<rrdtool> B<first> I<filename> [I<--rraindex number>] [B<--daemon> I<address>]
11 The B<first> function returns the UNIX timestamp of the first data
12 sample entered into the specified RRA of the RRD file.
18 The name of the B<RRD> that contains the data.
20 =item I<--rraindex number>
22 The index number of the B<RRA> that is to be examined. If not specified, the
23 index defaults to zero. B<RRA> index numbers can be determined through
26 =item B<--daemon> I<address>
28 Address of the L<rrdcached> daemon. For a list of accepted formats, see
29 the B<-l> option in the L<rrdcached> manual.
31 rrdtool first --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
37 Burton Strauss <Burton@ntopSupport.com>
38 Daemon support added by Steve Shipway <steve@steveshipway.org>