Responding to Ed's comments: At least if the data is under HSM control, it (the data) gets recycled to newer media every time the tape media changes. The same cannot be said for the private media be it tape or DVD that my user seems to have in mind.
-----Original Message----- From: McKown, John [mailto:[email protected]] Sent: Wednesday, October 19, 2011 2:55 PM To: [email protected] Subject: Re: Data offload to DVDs or external drives > -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[email protected]] On Behalf Of Ed Gould > Sent: Wednesday, October 19, 2011 1:44 PM > To: [email protected] > Subject: Re: Data offload to DVDs or external drives > > Tom: > > What ever media is decided on remember this. The life > expectancy (readability) is at most 10 years for DVD and CD's . > I had a long discussion with an expert and he just does not > have a satisfactory answer (IMO) for anything long term. > I suspect tape (even IBM's tape drives) to be iffy at 10 > years as well. > Technology changes so fast that there isn't a really great > long term storage option. > Ed' Egypt tech. Chisled granite kept in a desert has a proven long life time. Clay tablets aren't too bad either. Both are difficult to write to from a PC or even a mainframe. Of course, the information density is poor. -- John McKown Systems Engineer IV IT Administrative Services Group HealthMarkets® 9151 Boulevard 26 . N. Richland Hills . TX 76010 (817) 255-3225 phone . [email protected] . www.HealthMarkets.com Confidentiality Notice: This e-mail message may contain confidential or proprietary information. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message. HealthMarkets® is the brand name for products underwritten and issued by the insurance subsidiaries of HealthMarkets, Inc. -The Chesapeake Life Insurance Company®, Mid-West National Life Insurance Company of TennesseeSM and The MEGA Life and Health Insurance Company.SM ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
