Another way to look at it is TSM keeps a copy of every file on the server at the time of the backup. TSM knows what day it saw each file on the server. When you do a restore, either from the last backup or a point in time, TSM restores only the files that were present during the point you are restoring from. (there are retention limitations) For me it is easier to explain knowing TSM never makes a full backup, TSM only backs up the files it does not have. The first backup it backs up all of the files because it does not have them.
Andy Huebner -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of cc1702004 Sent: Friday, September 24, 2010 4:27 AM To: ADSM-L@VM.MARIST.EDU Subject: [ADSM-L] Need to understand TSM restoration concept. Hello, I'm new to TSM. I've been doing some reading on this TSM progressive incremental backup. My understanding with this backup, there is only one full backup (the base) and then incremental after that. Suppose I've been backing up a new server for 28th days, then I need to restore data backup on the 15th day, how do I restore all the data? Sorry for asking as I'm used to the conventional backup & restore method with Legato. Appreciate if someone can advice me. Thanks cc1702004 +---------------------------------------------------------------------- |This was sent by cc1702...@gmail.com via Backup Central. |Forward SPAM to ab...@backupcentral.com. +---------------------------------------------------------------------- This e-mail (including any attachments) is confidential and may be legally privileged. If you are not an intended recipient or an authorized representative of an intended recipient, you are prohibited from using, copying or distributing the information in this e-mail or its attachments. If you have received this e-mail in error, please notify the sender immediately by return e-mail and delete all copies of this message and any attachments. Thank you.