Upgrade TSM server from 6.2 to 7.1 on RHEL

Spree

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PREDATAR Control23

I have a customer that uses TSM 6.2.3 server on RHEL 5 platform, as TSM 6.2 has gone End of Support, upgrade is needed.

Unfortunately TSM 7.1 or 8.1 both could not support RHEL 5 so an OS upgrade is also needed.

I have googled a bit but no clue on these questions, could somebody help?

1) Is it OK to restore a TSM server backup of older version (6.2.3) on a server with a newer version of TSM (7.1) installed?

2) If #1 above is not possible, so is the following one is simplest possible method to upgrade already or still other choices?
- On old server, upgrade TSM from 6.2.3 to 6.3 (both could support RHEL 5 and 6)
- Backup TSM database on old server
- Install TSM 6.3 on new server (RHEL 6)
- Restore TSM database backup from old server on new server
- On new server, upgrade TSM from 6.3 to 7.1.

Thanks.
 
PREDATAR Control23

1) Is it OK to restore a TSM server backup of older version (6.2.3) on a server with a newer version of TSM (7.1) installed?

NO - does not work

2) If #1 above is not possible, so is the following one is simplest possible method to upgrade already or still other choices?
- On old server, upgrade TSM from 6.2.3 to 6.3 (both could support RHEL 5 and 6)
- Backup TSM database on old server
- Install TSM 6.3 on new server (RHEL 6)
- Restore TSM database backup from old server on new server
- On new server, upgrade TSM from 6.3 to 7.1.

This is what I have done except on RHEL 6, I updated TSM 6.3 to 7.1.5.2 then moved 7.1.5.2 to a NEW host running Redhat 7.3.
 
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