Troubleshooting Syneto File Recovery in SynetoOS 4

Written By Christian Castagna (Administrator)

Updated at October 22nd, 2025

→ Applies to: SynetoOS 4.8.6 and above

 

Step 1. Connect to SynetoOS appliance via SSH as admin

ssh admin@<your_ip_address_or_hostname>

 

Step 2 (optional). Change into Solaris shell (in case you're directed to an unsupported shell)

un sh

 

Step 3. Get root privileges

sudo su -


Luna “version”

Display Luna version information:

luna version


Luna “state”

Show the current state of Luna's VM or perform a specific action:

luna state
luna on
luna off
luna reboot


Luna “check”

Checks Luna's configuration for possible inconsistencies and cleans up in case of low space (if Luna VM is powered on):

luna check


Luna “help”

List the instructions and options available for Luna:

luna --help


Luna “service-status”

Get the status of a specific Luna service:

luna service-status virtual-disk-browser
luna service-status virtual-disk-backup
luna service-status syneto-chronos


Luna “used-space”

Get the percentage of used space on the Luna virtual machine:

luna used-space


Luna “run”

Run a configuration check (powering on Luna, if it's offline, or deploying it, if it's missing):

luna run


Luna “destroy”

Destroy Luna VM from ESXi (if it exists):

luna destroy


Luna “configure-network”

Update Luna network configuration (including SSH communication, DNS, search, gateway and resolver):

luna configure-network

This command obtains the network information from SynetoOS


Luna “sync-ntp”

Synchronize Luna's date/time with SynetoOS via NTP (using SynetoOS' NTP server):

luna sync-ntp


Luna “sync-timezone”

Update Luna timezone configuration (including NTP and timezone settings):

luna sync-timezone


Luna “sync-time”

Update Luna time configuration (including NTP and timezone settings):

luna sync-time


Luna “update”

Update Luna packages, configuration, and setup:

luna update