Hi Jim,

We certainly would want to work with you on identifying and resolving your
jbb issues. I'm curious.... what are the difficulties in getting a PMR
opened with IBM?

Regards,

Andy

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Development
Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

IBM Tivoli Storage Manager support web page:
http://www-306.ibm.com/software/sysmgmt/products/support/IBMTivoliStorageManager.html

The only dumb question is the one that goes unasked.
The command line is your friend.
"Good enough" is the enemy of excellence.

"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 06/13/2006
07:52:24 AM:

> Hi Shawn,
>
> I love, and am a little frustrated with, Journaling.
>
> 5.3.3 Tivoli server on Windows 2003
> 5.3.3 client on another Windows 2003
>
> We are in the process of moving 48 million files from an old server to
the
> new one...the old server is far too big to be able to do an
incremental..I
> do weekly images instead.
>
> Originally, I had a twice-a-day incremental on the server being migrated
to,
> and the journaling service crashed three times (I'm still trying to get
> through to IBM support to investigate why).
>
> Even at two hour incrementals, my *.jbbdb local database file is 850MB
due,
> I guess, to the high number of files being migrated.
>
> In the meantime, now with the two-hour incremental schedule, and for the
> last 24 hours, journaling has been amazing!
>
> Instead of a new-server incremental taking 14 hours, it takes between
six
> and seven minutes with journaling...According to windows perf mon, I am
> getting 110 disk-reads a second on the SAN (we're on SATA drives on the
> back-end) which isn't too bad considering it's writing a few new files
> during each second of monitoring as well.  But when you have 4 million
files
> for an incremental to check:
>
> 4,000,000/110 reads/sec=10.1 hours + Windows/migration overhead = 14
hours
>
> 48,000,000/110 reads/sec=5.05 days + Windows/migration overhead = ???
(which
> is why I can't do incrementals on the old server)
>
> The other problem with traditional incrementals on millions of files is
it
> beats the heck out of the hardware...the drives are constantly seeking
as
> fast as they can for hours or days.
>
> So, I am very thankful for journaling as long as the service doesn't
> crash...but again, IBM hasn't looked at this yet until my account-rep
can
> clear up that yes, we bought tivoli and yes, we have a support contract.
:)
>
> -Jim Hatfield
> I/S Manager
> Kings Daughters Medical Center
> 606-327-6144