alanr at unix
Dec 7, 2007, 5:30 PM
Post #1 of 1
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Request for feedback: Checking CIBs for errors...
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Hi,
One of the problems I've run into both personally and working with
customers is finding errors in CIBs. I see this kind of thing a good
bit on the mailing list too.
So, to help with this and maybe lighten the burden on the mailing list
and Andrew and Dejan and Lars, I wrote a command which checks for errors
in CIB files - which will be included in 2.1.3 when that comes out.
It's called ciblint, and you can read some more about it, and see where
to get a copy to try out here:
http://linux-ha.org/ciblint
It is _not_ a finished product yet, but even as a work-in-progress, it
does a number of interesting things. It is intentionally picky - and I
_intend_ for it to be picky in the right ways - but of course there are
no doubt errors in it. If there is an old way of doing something, and
and a new-and-more-correct way, I intend for it to insist on the new
way. So, some things it complains about may be perfectly acceptable to
the CRM, but are not preferred. I'm pretty sure that some of the things
the GUI does will fall into that category.
It can also provide you a good bit of information about the legal values
to put in various places (-l and -A options).
Although I've learned more about the CIB while writing this script, I'm
know I still have more to learn.
I'm looking for constructive feedback on it. Here are a few specific
kinds of feedback that would be especially helpful:
- Did it find anything useful for you?
- Do you think it's incorrect (not just pedantic) in some cases?
- Do you have any suggestions for errors you've made or seen
that you think it should catch?
- What corrections do you have for any of the explanatory text
-- in particular from the -A option?
- Any other constructive suggestions would be welcome.
- Comments about how stupid I am for having something wrong
or what an incredibly stupid idea this is
will be cheerfully redirected to /dev/null
Sample CIBs for these various kinds of feedback would be especially
appreciated.
It's a python script, and my current thinking for a todo list is in the
text of the script.
It currently does a sudo to run lrmadmin to grab some metadata from the
LRM. That will eventually change. [.lrmadmin shouldn't require you to
be root for the things I'm asking it to do]
--
Alan Robertson <alanr [at] unix>
"Openness is the foundation and preservative of friendship... Let me
claim from you at all times your undisguised opinions." - William
Wilberforce
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