How to rollback SynetoOS 4 from version 4.8.4 to 4.7.5

Written By Christian Castagna (Administrator)

Updated at November 22nd, 2024

→ Applies to: SynetoOS 4.x

The rollback requires the entire physical host to be rebooted

 

Step 1. Connect to SynetoOS appliance via SSH as admin

ssh admin@<your_ip_address_or_hostname>

 

Step 2. Remove bash_profile

rm ~admin/.bash_profile

After running the command, you need to perform logout and login again.

 

Step 3. Become Super User

sudo su

 

Step 4. Execute this command to receive the system list of available boots

beadm list

EXAMPLE OUTPUT

BE                      Active Mountpoint Space  Policy Created
SynetoOS-4.7.0          -      -          47.92M static 2020-12-22 14:29
SynetoOS-4.7.0-backup-4 -      -          553K   static 2022-12-22 10:50
SynetoOS-4.7.0-backup-5 -      -          628K   static 2023-04-24 15:13
omnios-r151038o         NR     /          6.68G  static 2023-09-09 12:12

 

Step 5. Select the correct boot OS version (replace <be_version> with the correct be version)

beadm activate <be_version>

EXAMPLE

beadm activate SynetoOS-4.7.0-backup-5

 

Step 6. Power off all VMs and restart SynetoOS 4