cnMaestro On-Premises failed upgrade to 4.1.0

my cnmaestro got failed to boot up after reboot while upgrade from 3.2.0 to 4.1.0, cannot find /dev/mapper/system-os2

what can i do? please help me.

@Nur_Tantio_Pratomo could you please create a support case in

oke done
i have created a support case

Unless you know and are comfortable in linux, sorry I can not help you.
However in my experience, always create a new vm and install the new version on it rather than upgrading. Then export and import the device database. This solves many issues and if something goes wrong, you still have a working system.

There is have two partitions, system-os1 and system-os2
how i can revert to one another partition? or how i can change boot to system-os1?

There are two lvm partitions with multiple partitions inside.
You have to load the os1 lvm first then start the os2 lvm and then mount all of the partitions inside.

Is this a VM or is it on bare metal?

on VM, i deployed on proxmox but when i check /proc/partitions there is no one partitions exist

ok i solved it
i change the scsi controller on proxmox and then reattach the disk and now running well

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