RRDFIRST(1) rrdtool RRDFIRST(1) NNAAMMEE rrdfirst - Return the date of the first data sample in an RRA within an RRD SSYYNNOOPPSSIISS rrrrddttooooll ffiirrsstt _f_i_l_e_n_a_m_e [----rrrraaiinnddeexx _n_u_m_b_e_r] [----ddaaeemmoonn|--dd _a_d_d_r_e_s_s] DDEESSCCRRIIPPTTIIOONN The ffiirrsstt function returns the UNIX timestamp of the first data sample entered into the specified RRA of the RRD file. _f_i_l_e_n_a_m_e The name of the RRRRDD that contains the data. ----rrrraaiinnddeexx _n_u_m_b_e_r The index number of the RRRRAA that is to be examined. If not specified, the index defaults to zero. RRRRAA index numbers can be determined through rrrrddttooooll iinnffoo. ----ddaaeemmoonn|--dd _a_d_d_r_e_s_s Address of the rrdcached daemon. For a list of accepted formats, see the --ll option in the rrdcached manual. rrdtool first --daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd AAUUTTHHOORR Burton Strauss Daemon support added by Steve Shipway 1.7.1 2019-02-04 RRDFIRST(1)