Shawn, We are in the same boat - 30TB of user data on NetApp and required to keep all daily backups for 7+ years. NDMP proved to be too much hassle - it is not incremental it is differential requiring periodic full backups. I have 2 TSM servers pretty much dedicated to these backups - not for the data throughput but for DB size - one is 75G and the other is 300G (bad form I know, no comments please...)
We have a few virus scanning machines which also perform backups of the individual CIFS shares - some using snapdiff some not. Recover of individual files is very straightforward. Large scale recovery - i.e. multiple filesystems or the entire filer is not really an option from TSM due to RTO limits. We use a combination of snapshots and mirroring for these DR type of scenarios (actually practice a full failover and failback twice a year also - successfully!) Cheers, Neil Strand Storage Engineer - Legg Mason Baltimore, MD. (410) 580-7491 Whatever you can do or believe you can, begin it. Boldness has genius, power and magic. -----Original Message----- From: ADSM: Dist Stor Manager [mailto:[email protected]] On Behalf Of Shawn Drew Sent: Wednesday, March 09, 2011 1:46 PM To: [email protected] Subject: [ADSM-L] Long term archiving solutions for file servers We have a weekly archive requirement for our Netapp file servers and are using TSM NDMP for this. My opinion is this is one of those "misusing backups as an archive" situations and I want to change this. We are looking at 100-150TB a week with LONG term retention and I'm not sure what options are available. I first considered using the snapdiff option, which would give us the ability to spin off new TSM instances as needed and enable TSM incremental backups. But it seems to be there should be a better method, I just don't know what it is. Any other options out there? Regards, Shawn ________________________________________________ Shawn Drew This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. Please note that certain functions and services for BNP Paribas may be performed by BNP Paribas RCC, Inc. IMPORTANT: E-mail sent through the Internet is not secure. Legg Mason therefore recommends that you do not send any confidential or sensitive information to us via electronic mail, including social security numbers, account numbers, or personal identification numbers. Delivery, and or timely delivery of Internet mail is not guaranteed. Legg Mason therefore recommends that you do not send time sensitive or action-oriented messages to us via electronic mail. This message is intended for the addressee only and may contain privileged or confidential information. Unless you are the intended recipient, you may not use, copy or disclose to anyone any information contained in this message. If you have received this message in error, please notify the author by replying to this message and then kindly delete the message. Thank you.
