05-12-2018 07:07 AM
Hi Folks,
Would like to know what is the correct way to downgrading NBU verison ?
My situation is bit twisted coz due to some reason i have to downgrade NBU from 8.0 to 7.6.1 and i understand the only way is to uninstall the 8.0 and install the 7.6.1and i also know that i would not be able to recovery my 8.0 version backups. Now i wanted to know what is the procedure to follow. I list the flow can help to validate.
1. Verify the older Catalog backup (Version NBU 7.6.1) and make sure the catalog image is verified and ok
2. Run a catalog backup (For current version of NBU 8.0)
3. Make note of Media ID generation/Barcode rules & Make note of all license
4. Remove Media server and clients ( I need help on this, how to do it ? ) i see Media server decomission is not an option and i may lose data.
5. Now Uninstall the current version of NBU (8.0) and install NBU 7.6 and Patch it to 7.6.1 (Matching the version of Production)
6. Configure master and media server
7. Configure tape library
8. Recover catalog backup
Regards,
Brian
05-13-2018 05:57 AM
Hello,
Remove Media server and clients ( I need help on this, how to do it ? ) i see Media server decomission is not an option and i may lose data.
What is NBU version on media servers?
Catalog backup on Tape or Disk pool? What is version version of that media server?
Regards,
05-13-2018 08:56 PM
05-13-2018 10:15 PM
05-15-2018 03:52 PM
Don't remove the Media Servers and clients. If they have the same version that the Master had, then downgrade them but don't formaly remove their connections nor decomission them.
A revision on your plan:
Remember that in a perfect world you should have the same version of NetBackup in Masters, Medias and clients. Clients with lower, older versions of NB can connect to newer servers, same goes for Media Servers. General rule: Media Servers with 7.x can connect to Masters with 8.x. In a perfect world we shouldn't be doing downgrades anyway :)
(I had to do a downgrade once because our client thought some issues were because of Veritas and we had to isolate the problem)