[Orca-users] Getting rid of old data and extra disk graphs

Charles Dennett charles.dennett at kodak.com
Wed Jan 9 08:47:09 PST 2002


I've been using orca on a bunch of systems I maintain for a while
now.  Not sure how long, but I see I still have version
0.25 hanging around.  Don't worry, I'm using 0.27b2 with
the latest orcallator.se and orcallator.cfg files.  All this
is on Solaris 8.

Over time, we've changed the file system layouts.  Every time
we do, new disk run, disk space and disk inode graphs are
created to reflect the new layout.  On some systems we
have quite a few of these graphs.  From what I can tell, this
is normal.  Is that right or am I doing something wrong?

In order to attempt to fix this, I've done the following.
Noting that the yearly graphs actually go back about 14 months,
I've deleted all the orcallator data files older than that.
I've then deleted the RRD files and run orca and let it rebuild
the RRD files.  Because some of the now deleted data files had
info on disk layouts that are no longer on the systems and these
layouts do not appear in the data files that are left, the graphs
showing them disappear. 

Is this the way to correct this problem or am I doing something
wrong in the way I've set up and run orca?  Oh, and just to
add to the confusion, we've recently started using DiskSuite
on some systems so some of the disk run graphs have the disks
noted as c0t0d0, and some graphs have that style plus the DiskSutite
style of md1 on the same graph.  (I use c0t0d0 and md1 as examples
only.  The graphs have all the actual devices on them.)

We recently stood up a couple of new machines and DiskSuite was
up and running on them before I installed orcallator.  The disk
run graphs for those show only the disks in the c0t0d0 style.
The DiskSuite style of md1 is not shown.  I assume the machines
that have both styles may have been running at the time an older
version of orcallator.se which had problems distinguishing
DiskSuite from non-Disksuite disks.  Or, perhaps I had orcallator
running on the older systems as I was installing and configuring
DiskSuite and orcallator and orca got confused.

Anyway, many thanks to Blair for all the work he's done on orca.
If I'm doing something wrong and ending up with multiple disk
graphs, I'd like to know what that is.  If there is a better way
to corret this other than deleteing the RRD files and older
orcallator data files, I'd like to know.

Charlie Dennett
Eastman Kodak Company, Rochester, NY
Sitemaster http://www.kodak.com

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