Also, very important to a company would be RTO and RPO. - A Recovery Time Objective (RTO) is the maximum, acceptable length of time that a business function, system, or process can be down following a disaster or disruption before causing unacceptable consequences. \ - Recovery Point Objective (RPO) defines the maximum acceptable amount of data an organization can lose during a disaster or outage, typically measured in time. It answers the question, "How much data can we afford to lose?" by establishing a threshold based on business needs, risk tolerance, and cost. A shorter RPO means less data loss and requires more frequent data backups.
The answers to those questions will also help with determining backup requirements. ________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Seymour J Metz <[email protected]> Sent: Wednesday, October 15, 2025 09:13 To: [email protected] <[email protected]> Subject: [EXTERNAL] Re: Tape retention Discussion First step is analyzing your shop's need. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר ________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Peter <[email protected]> Sent: Tuesday, October 14, 2025 11:57 PM To: [email protected] <[email protected]> Subject: Tape retention Discussion External Message: Use Caution Hello Just trying to understand some of your experience about physical tape backup up. I know almost most of the shops are tapeless. But when you had physical tape , 1 ) What are the files you backed up to 3590 ? 2 ) what was the retention period you followed for database , system volumes and user datasets ? 3 ) Generally to recover an entire lpar from a physical tape a volume level backup for an entire lpar would suffice ? Any information on the above would help me to research further. Regards Peter ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
