> Ok..i have to have two copy storage pools both having a complete and > separate set of tapes. From this i understand that everytime the > stgpool backup is performed, there is no way to tell TSM that you > need to take full backup of primary pool instead of incremental from > what it did last day.
That is correct. Why would you want to do otherwise? 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] 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 2005-09-07 23:21:02: > Hmmm thanks andy, > I have changed the reuse delay to 4, that is the same as dbbackup > expiration days. > > Ok..i have to have two copy storage pools both having a complete and > separate set of tapes. From this i understand that everytime the > stgpool backup is performed, there is no way to tell TSM that you > need to take full backup of primary pool instead of incremental from > what it did last day. > > Kind Regards > Sandra > > ---- [EMAIL PROTECTED] wrote : > > Hi Sandra, > > > > I'm sure you'll get plenty of advice and suggestions from others, but here > > are my "two cents": > > > > Once concern right off the bat is the reuse delay of zero, which puts at > > risk your goal of 100% restore capability of up to 4 days ago. Instead, > > your reuse delay should be the same as your dbbackup and plan file > > expiration settings. Consider the case where on day 1, tape 'A' contains > > valid data that is expired on day 2. Tape 'A' is now empty, so it is > > available for immediate reuse. On day 3, the tape is written over with new > > data. Now it is day 4, and you need to restore your database back to day > > 1. You restore the database back to day 1. Now you want to restore data > > from tape 'A' that was there on day 1... but that data no longer exists > > because it was written over with new data on day 3... and your 100% > > restore capability is out the window. > > > > >From what you wrote, I am under the impression that you think you need > > multiple sets of copy storage pools to allow you to restore up to 4 days > > ago. But this is not true. Since each copy pool is a logical mirror of the > > primary pools, a single copy pool is all that is necessary to restore your > > data up to four days ago (assuming everything else is also configured to > > minimally meet the four day requirement). If you want an onsite copy pool > > and an offsite copy pool, then have two copy pools: one that stays onsite, > > and another that goes offsite. You can then run BACKUP STGPOOL multiple > > times to back up the primary pools to each of your copy pools. If you need > > more onsite copy pools, you can define them and back up the storage pools > > to them. > > > > 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] > > > > 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 2005-09-07 > > 21:41:21: > > > > > Dear All, > > > I am running TSM 5.2.3 on Windows 2003 with 3582 Library with 2 > > > drives. Ultrium2 tapes with 200GB space. > > > > > > Daily incremental backup of about 5GB. > > > > > > I have setup a copypool to which i backup my primary pool daily. The > > > plan file (after running prepare) has ever increasing tapes required > > > for primary stgpool restore. > > > > > > My question: > > > Can i take full backup of stgpool daily and not the incremental on > > > daily basis. The command refernce says it won't copy any file to > > > copypool until the file is damaged or not available in copypool... > > > that is sort of incremental. > > > > > > Purpose is to send one set of DR tapes to offsite weekly on friday. > > > I want this set to be 100% capable of restoring my environment while > > > at the same time, having 3 sets of DR at main site so that I can > > > revert to a maximum of 4 days. > > > > > > DBbackup and plan file expiration is 4 days, and volume reuse delay > > > in all stgpools is 0. I want to reuse the tapes immediately. > > > > > > Can anyone enlighten me on this. > > > > > > Regards, > > > Sandra > > > > > > > > > > > > _____________________________________________________ > > > Sent via SUPERwebmail - Supernet web-based email service > > > http://www.super.net.pk/mail > > > > > > > _____________________________________________________ > Sent via SUPERwebmail - Supernet web-based email service > http://www.super.net.pk/mail
