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/[EMAIL PROTECTED] Internet e-mail: [EMAIL PROTECTED] 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" <[email protected]> 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
