[rrd-users] Help on understanding RRA and DS
dexin at rtda.com
Wed May 14 22:27:44 MEST 2003
I am new to RRD tool and I like it. Here I have some questions, please help.
A RRA is like a ring to which the data will be stored to those
pre-allocated slots on the ring, right? So if I create a database with
one datasource and 2 RRAs, that means I have 2 such rings that store
data from that datasource, right?
What if I have multiple datasource and multiple RRAs? Do I have a ring
for each of the datasource-RRA pair? For example:
rrdtoo create test.rrd --start XXX
Then I have 2x2 = 4 rings, which store the data from ds1 for
1hour(60x60), 1day(60x60x24), and from ds2 for 1hour and 1day?
Please help me clarify this. Really appreciate your help!
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