RucioUpdateToNewVersion

Instructions To Update Rucio

Pre-steps

1. Using the daily backup of DB02 move this to DB03 and apply the database
   • Find the latest backup

grep  Transferred  /var/log/atlasbackup/atlasbackup.log | tail -1

1. • Retrieve the backup

[root@ruciodb02 ~]# tape -r csfserv <BackUpNumber> <location for backup>/tape.<BackUpNumber>

1. • Move the backup to DB03 using SCP if backup not availale

[root@ruciodb02 ~]# scp -i <Path/To/PrivateKey> /mnt/backfs/ruciodb02_db_backup_202108241613 root@ruciodb03.gridpp.rl.ac.uk:/var/lib/pgsql

1. • Move the tape backup to DB03

[root@ruciodb02 ~]# scp -i <Path/To/PrivateKey> <<location for backup>/tape.<BackUpNumber> root@ruciodb03.gridpp.rl.ac.uk:/var/lib/pgsql

1. • Unpack the tape backup

[root@ruciodb03 ~]# tar xf tape.<BackUpNumber>

1. • Find the database name on DB03

[root@ruciodb03 ~]# su postgres
bash-4.2$ psql
postgres-# \c 
You are now connected to database "<DB_Name>" as user "postgres".
postgres-# \q
bash-4.2$

1. • Drop the current database

bash-4.2$ dropdb <DB_Name>

1. • Create a new databse and apply backup

bash-4.2$ createdb -T template0 <DB_Name>
psql  -v  -d <DB_Name> -f  <Path/To/Backup>/ruciodb02_<ID> 

This process will take some time (between 40-60 mins)

1. • Update the database

• Connect alembic to database

cd /opt/rucio
vi alembic.ini

Edit the path to the database

• Run alembic for a few upgrades

alembic upgrade c0937668555f
alembic upgrade 8ea9122275b1

• Attempt upgrade to d23d23453595260

alembic upgrade d23453595260 --sql

• If this failed find instructions

alembic upgrade d23453595260 --sql

• Run each instruction manually
• Upgrade to head

alembic upgrade head