Step A: Get ready to downgrade
The following steps prepare you for downgrading AWS Elemental Live. Perform these steps to ensure that you don't lose any data.
Save the database backup
Locate the database backup for the version that you're downgrading to. Copy the backup to a location off of the system. Performing a downgrade removes your entire file structure.
Every time that you downgrade, a backup of the database is automatically made and saved in the following location.
/home/elemental/database_backups/elemental-db-backup_live_n.n.n.n_yyyy-mm-dd_hh-mm-ss.tar
For example:
elemental-db-backup_live_2.23.5_2021-02-08_21-01-36.tar
When you perform a downgrade, you must specify a database to restore. You should restore the backup that corresponds to the version you are downgrading to. For example, when downgrading to 2.23.5, restore the 2.23.5 database.
Create a bootable kickstart
You must install the host operating system from an
.iso
file onto each physical machine that will be
running Elemental Live. Doing so is referred to as “kickstarting the
system”.
Make sure that you install the right version of the operating system
with each piece of software. The correct .iso
file
is available at AWS Elemental Support Center Activations
Create a Boot USB Drive
Do this from your workstation.
Use a third-party utility (such as PowerISO or ISO2USB) to create a
bootable USB drive from your .iso
file. For help, see
this knowledge base article