This is a good question, really. We have found some fairly shocking inactive-file statistics lately:
* One customer had 98.6% of their 30 TB of TSM backups in INACTIVE files. Their policy was to "keep everything forever". * Another customer did full database dumps every day, and kept them for 180 days. They had about 90% of their 35 TB in inactive backups. Interesting that there is so much wasted storage. (BTW, be careful if you try this at home. This is the oft-mentioned query of the contents tables that kills TSM performance. ART trickles in the data as it runs restore tests, so it does NOT kill TSM's performance.) ------ Mr. Lindsay Morris Principal www.tsmworks.com 919-403-8260 lind...@tsmworks.com On Sep17, at 9:07AM, Tchuise, Bertaut wrote:
When there is no active version of the file :-) On a serious note, the TSM server will only have inactive versions of a file once the file is deleted from the client and the next incremental backup runs. BERTAUT TCHUISE TSM/NetApp Storage Administrator Legg Mason Technology Services *410-580-7032 btchu...@leggmason.com -----Original Message----- From: ADSM: Dist Stor Manager [mailto:ads...@vm.marist.edu] On Behalf Of Mehdi Salehi Sent: Thursday, September 17, 2009 9:01 AM To: ADSM-L@VM.MARIST.EDU Subject: [ADSM-L] when a file has only inactive version in TSM server? Hi, when does a file have only inactive versions in TSM server? Thanks 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.
