RE: onbar log backups aborting w/TSM
Posted in 2006
Martin is the onbar king! :)
I would just like to add a comment about the onsmsync utility.
It is good and it works, but if you have not used it regularly, please
be cautious about using it.... run it first in a test copy of your prod
system because if you run it in prod when you have not done so in a long
time.... well, it can create a performance issue....
Speaking from experience of course.....
Norma Jean Sebastian
ERP Support Administration
GIS- Enterprise Technical Services
-----Original Message-----
From: informix-list-bounces@iiug.org
[mailto:informix-list-bounces@iiug.org] On Behalf Of Martin Fuerderer
Sent: Friday, December 01, 2006 9:54 AM
To: Darren_Jacobs@carmax.com
Cc: informix-list-bounces@iiug.org; informix-list@iiug.org
Subject: Re: onbar log backups aborting w/TSM
Hi,
right. sysutils in rootdbs, probably some temp table (also
in rootdbs) during dbspace backup uses additional space,
so that you hit the ceiling ...
You should not "purge" things from the sysutils database, at least
not by manually connecting to the database and issuing "DELETE"
statements. This can easily cause you a lot of trouble in case of
a restore.
What you can (and should) do (more or less regularly) is to use
"onsmsync" utility to expire old backups (dbspaces and log files).
This will also delete entries from the systutils database. Please see
the manual "Backup and Restore Guide" for more info on "onsmsync".
That will avoid this situation in the future.
"oncheck -pe" shows which table has allocated how many pages,
as already noted.
In the short run you will probably have to add a chunk to the root
dbspace to make it work again. If you don't have temp dbspaces
yet, you can create some (and list them in onconfig file). It may help.
It is also possible that setting PSORT_DBTEMP environment variable
helps. This would cause the use of file system disk space rather than
temp dbspaces (or root dbspace) for sort tasks.
The backup of a log file does not only contain the log records from
the log file itself, but also any BLOBSpace BLOBs that have been
manipulated in corresponding transactions (log records). This is
necessary because BLOBSpace BLOBs themselves are not in the
logical log files. With that the backup of a log file can be much larger
than the log file itself.
Regards,
Martin
--
Martin Fuerderer
IBM Informix Development Munich, Germany
Information Management
Informix URLs list: http://home.arcor.de/mfu1/informix/urls.html
informix-list-bounces@iiug.org wrote on 01.12.2006 05:07:43:
> On Thu, 30 Nov 2006 21:38:49 -0500, Darren_Jacobs@carmax.com wrote:
>
> >
> >IDS 9.40 FC2XA
> >HPUX 11.11
> >
> >Greetings,
> >
> >I have a very interesting situation that started about a week ago.
My
> >onbar logical log backups are being "Aborted by client" (online.log).
The
> >bar_act.log file indicates "SQL 4294967025 Could not insert new row
into
> >table." followed by "ISAM 4294967165 ISAM error: no free disk
space".
> >The interesting thing is that after a onbar whole system backup
completes
> >all logical log files backup without issue. Another interesting
thing
is
> >that TSM is indicating a 102 meg log file is being backed up.
> >
>
> Sysutils database is usually in the rootdbs, along with any temp
> tables that may be created there as well.
>
> How much space is free in rootdbs?
>
> How busy is rootdbs?
>
> Can you purge any data from the bar_?????? tables?
>
> JWC
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