Sergio, if I were looking at such a system, I would check these things:
1) Do they have a backup of the database from before it became unstable ;)
2) Is the ovwdb cache setting 20% larger than the number of objects shown
by ovobjprint -S ? If it is low, I would expect extremely bad
performance.
3) If they are using negative oids in a seedfile, the object count may go
high,
and then drop down low after an ovtopofix, only to rise again. This is
normal. The cache setting must accomodate the highest number.
4) Is the machine running constrained? Run 'vmstat 5' and see if it is
short
of cpu or memory. Try just the daemons without maps open. How much
memory, what kind of processor, how many users, etc....
5) Perhaps it could benefit from compression, or conversion to the turbo
form of the database. Converting to the turbo format is detailed in the
release notes. I have used it successfully on large databases.
Cordially,
Leslie A. Clark
IBM Global Services - Systems Mgmt & Networking
---------------------- Forwarded by Leslie Clark/Southfield/IBM on
04/11/2000 09:29 PM ---------------------------
Sergio Cardona <scardona@visiontech.com.co>@tkg.com on 04/11/2000 07:47:48
PM
Please respond to IBM NetView Discussion <nv-l@tkg.com>
Sent by: owner-nv-l@tkg.com
To: IBM NetView Discussion <nv-l@tkg.com>
cc:
Subject: [NV-L] db corrupted ?
Hi All:
I am giving a support and I would like to have a second
opinion.
Our client have NetView 5.1.2 and AIX 4.3.2.
The NetView is unestable, and has this sysmptoms:
- The /usr/OV/databases/openview has 1.5 Gb ( the db
has 27000 objets)
- the map has problems, a few objects look like it were
bad.
- the ovwdb take 20 minutes or more to start !!! ( the
normal time was less that 1 minute).
- the sistem has had some hang ups.
We have made some times the ovtopofix and the normal
maintenance of the database but the system has the same
behavior.
I think that the db is corrupted and I can not imagine
what is obwdb doing when it is starting.
I have a addtional question, our client is using a user
with the ID 0 instead of root to make the
administration, is there any problem to do it?.
Thanks in advance,
Sergio Cardona.
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VisionTech Colombia
Calle 114
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