Thanks Del for your reply. In this case customer has fully migrated the data from Exchange 2007 to 2010. No migration activity is going on. Further bkp process tooks approx 2 hrs for integrity check, rest time window for backup (out of 25 hrs of total backup window) Please advice...
Thanks, Sachin. --- On Wed, 4/13/11, Del Hoobler <[email protected]> wrote: > From: Del Hoobler <[email protected]> > Subject: Re: [ADSM-L] Exchange 2010 with TDP > To: [email protected] > Date: Wednesday, April 13, 2011, 5:43 PM > I have seen this before when mailbox > migrations > from Exchange 2007 or Exchange 2003 are occurring > and creating large amounts of transaction log files. > The problem is that Microsoft requires the > integrity check and back up of all of these log > files before log truncation can occur. The integrity check > and back up of all those files can take a long time. > > I recommend that you turn on circular logging > until mailbox migrations are complete. > > Thanks, > > Del > > ---------------------------------------------------- > "ADSM: Dist Stor Manager" <[email protected]> > wrote on 04/13/2011 > 07:41:05 AM: > > >> From: Sachin Chaudhari <[email protected]> > >> To: [email protected] > >> Date: 04/13/2011 07:42 AM > >> Subject: Exchange 2010 with TDP > >> Sent by: "ADSM: Dist Stor Manager" <[email protected]> > >> > >> One of my customer is facing major performance > issue on MS-Exchnage > >> 2010 database backup. > >> Env Details > >> BA : V6.2.2 > >> TDP-exch : v6.1.3 > >> sta : v5.5.4 > >> TSM Server : 5.5.4 > >> > >> Database size : 500 GB > >> Transactional logs : say 100-150 GB (each has 1 MB > in size) > >> > >> When we execute the backup via tdp (Copy backup) > 500 GB data gets > >> transfered on tape in approx 4 hrs but the takes > more time at the > >> time of transactional logs backup (i.e incremental > bkp). > >> For about 150 GB of transactional log it was > taking approx 25 hrs. > >> > >> Customer has three exchange nodes with multiple > databases running > >> on same(Active-Passive combination), I had tested > the backup from > >> multiple database passive DB copy, but results are > same. > >> > >> Does anyone faced this kind of challanges? Pl > share some inputs.. > >> > >> Thanks, > >> Sachin >
