Re: [infiniband-diags] [0/3] support --diff and --diffcheck in ibnetdiscover

[Sasha Khapyorsky <sashak-smomgflXvOZWk0Htik3J/w@public.gmane.org>]

On 10:17 Tue 13 Apr     , Al Chu wrote:
> 
> I had considered this at one point.  There were several reasons I
> decided to go w/ the cache idea.  Perhaps the major reason is that the
> current cache system has "all" the data (nodeinfo, portinfo, etc.)
> saved, whereas the normal ibnetdiscover output does not. So we would be
> limited in our diff output for what ibnetdiscover outputs (or perhaps
> limited in future extensions).  Adding a --diff into iblinkinfo is also
> on my list to do, but that wouldn't be possible w/ a cached text output
> (the cached text file doesn't store portinfo data).

That makes sense.

> This isn't to say there are downsides.  The major downside is that it's
> difficult to edit the cache when minor changes happen on the network
> (e.g. for our system administrators, when an HCA is replaced b/c a node
> dies). I have a tool for that (to be submitted soon too I hope :-).

It is difficult to edit and difficult to read. So I would really prefer
to have a text file (even with extended format). But well, let's see how
this will go.

Sasha
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