[rrd-users] can rrdtool 1.3.x update rrds created with rrdtool 1.2

[Tobias Oetiker]

Hi Steve,

Today Steve Shipway wrote:

> Thanks for the correction!  My info is out of date, I'm sure you
> said at LISA08 you were intending to get cross-platform support
> in 1.4.  Maybe it just didn't make it in this time...

yes I did ... :-)

> I've never seen the 0004 since we don't (yet) use HW RRAs at our site.
>
> So, to clarify,
>
> RRDTool 1.0.x can READ/UPDATE 0001 and can CREATE 0001
>
> RRDTool 1.2.x can READ/UPDATE 0001,0003 and can CREATE 0003
>
> RRDTool 1.3.x can READ/UPDATE 0001,0003,0004 and can CREATE 0003,0004
> (Version 0004 is only used if certain HW RRAs are active)
>
> RRDTool 1.4.x will be the same as 1.3
>
> RRDTool 1.5.x is intended to Read/update 0001,0003,0004,0005 and CREATE 0005 (platform independent)
>
> Will you be dropping backwards support for old RRD formats in
> 1.5?  I think a lot of people still have some 0001-format RRDs
> lying around.  A conversion tool for 0001->0003 would probably be
> fairly easy to create...

no I don't intend to ... for large deployments, I guess the 'best'
thing would be if 1.5 was even able to read/write old formats cross
platform ... but I am not sure if we can manage that in a sane
fashion ... but since I am intending to put an abstraction layer
into the system for accessing the data this may well be possible
...

cheers
tobi


>
> Steve
> ________________________________________
> From: Tobias Oetiker [tobi at oetiker.ch]
>
> 1.3 introduces format 0004 for new types of HW ... but this only
> gets active when these types are configured
>
> 1.4 will not update the fileformat
>
> 1.5 will bring the cross platform format
>
> cheers
> tobi
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900