10-02-2018 04:33 AM - edited 10-02-2018 04:36 AM
I am using Veritas NetBackup 7.7.3. I have configure SLP for duplication on tape. We are making three copy of my monthly backup. Primary on DataDomain, 2nd and 3rd on Tape. My queries are:
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10-02-2018 11:20 AM - edited 10-02-2018 11:20 AM
10-02-2018 11:20 AM - edited 10-02-2018 11:20 AM
10-02-2018 11:33 AM
SLP are nicely customizable, so you can set it up to do however you want. there are benefits and advantages to the process each way.
You have to determine how urgent these copies are, and how much resources you have.
I vault my tapes to iron mountain every day, my duplications copy from my data domain almost immmediately. I want them on tape as soon as possible. This impacts the efficiency of my data domain, if my backups ran from midnight to 0400, then no more backups, and I could make copies starting after 0400, it would increase the throughput. What is the path from tape to tape, versus data domain to tape - there are so many variables.
When you set up the duplications within the SLP, you choose which copy is the source, so the second and third copy can be done at once, from the data domain, or you could make one copy and then copy that tape.