Allphones Release 8 to Release 9 upgrade plan
UPGRADE:
- Disable scheduled jobs for duration of upgrade.
- Disable external access to machine while upgrade is in process.
- Initialise dayfiles so all data is in backup directories
- Run synchronisation scripts to copy data to backup server
- Make backup copy of Release 8 data on second drive of live server prior to upgrade.
- Make backup copy of Release 8 data on second drive of backup server in case problems are found.
- Perform upgrade of data and programs to Release 9 in live environment.
- Clear out dayfile backup directories for all companies in live environment (so are fresh for potential downgrade)
- Test.
- Re-enable scheduled jobs and external access for use by stores.
DOWNGRADE:
- Disable scheduled jobs for duration of downgrade.
- Disable external access to machine while downgrade is in process.
- Initialise dayfiles so all data is in backup directories
- Run synchronisation scripts to copy data to backup server
- Convert backup log.dat and dayfiles into polling format for processing on Release 8.
- Make backup copy of Release9 data on second drive of backup server in case problems are found.
- Clear and replace live data with saved copy of Release 8 data from second drive of live server.
- Process polling copies of log.dat and dayfiles into restored Release 8 data.
- Test.
- Re-enable scheduled jobs and external access for use by stores.
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AllphonesRel9UpgradePlan (last edited 2020-04-14 12:48:24 by sam)