Thecus N16000 Series User Manual page 61

NOTE
With RAID level migration function, the limitation as listed below.
2. During RAID level migration, it is not allowed reboot or shutdown system.
3. The RAID migration from R1 to R5 or R1 to R6, the all services will restart
and volumes "iSCSI" is read only but "user data" is capable read / write
during operation.
NOTE
Migrating a RAID volume could take several hours to complete
The migration scheme below is based on Thecus
Thecus IP Storage series products in maximum
possible combination. The other model which has
less HDD supported can refer web UI while RAID
migration operated.
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