Don't forget that your sequence and PLB code could be out of date as well!
Generally, it is not lost and can be simply added to the backup machine by
copying the files named /opt/fox/ciocfg/<cmpdName> from the "real" system to
the "test" system.
Regards,
Alex Johnson
10707 Haddington
Houston, TX 77043
713.722.2859 (office)
713.722.2700 (switchboard)
713.932.0222 (fax)
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
From: [EMAIL PROTECTED] [SMTP:[EMAIL PROTECTED]]
Sent: Friday, April 06, 2001 1:46 PM
To: [EMAIL PROTECTED]
Subject: RE: Failed SaveAll -- the rest of the story
Thanks to all for all of your helpful suggestions.
Thanks to Alex for offering to examine my control database.
Unfortunately,
his prognosis ("It's fried!") was not what I wanted to hear.
Thanks to Bo for his suggestion of using check_db_sync. I didn't get
around
to using it, but I'll have to make a note of checking into it before
the
next disaster drill. (And despite Bo's misgiving about automating
the
SaveAll job, I'll continue running this weekly job. I just have to
do a
better job of raising awareness among our group as to all the things
I'm
doing behind the scene. And to just say no!)
Here's how we fix our problem:
I'm fortunate to have the old hard drive for the host AW still
sitting
around since the last upgrade. Even though it was at v6.1, it's good
enough
for our purpose. I booted it up in an off-line node along with the
CP in
question (20CP02). I then did a LoadAll using a good SaveAll from
two weeks
back. Then it's just grunt work of comparing the list of blocks in
the
compounds between the off-line CP versus the real-life CP. We had to
delete
a compound and add a block to another compound to make the off-line
CP match
the on-line one.
At that point, I copied all of the files in /opt/fox/ciocfg/20CP02
(workfile
and all the .O files) from the off-line AW to the real-life system,
did an
upload and shrink. Then I verified that we now could do a SaveAll.
I
further verified that that SaveAll is good by loading it back to the
off-line CP. Everything is hunky-dory without having to initialize
and
reboot the CP.
Hope this may be of help to somebody who may end up in the same dire
strait
some day.
Regards,
Duc
--
Duc M. Do
Process Control Systems
Dow Corning, Carrollton Plant
Carrollton, KY, US
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