Seagate NAS OS 4 U User Manual page 110

SimplyRAID Dual with double-disk protection (minimum of three hard drives) JBOD
RAID 1+Spare (minimum of three hard drives). Additional steps required for the spare. RAID 5
RAID 5+Spare (minimum of four hard drives) Additional steps required for the spare. RAID
RAID 6+Spare (minimum of five hard drives). Additional steps required for the spare. RAID
.RAID 10+Spare (minimum of five hard drives). Additional steps required for the spare
SimplyRAID and spare disks: NAS OS optimizes storage capacity using all the hard drives in a SimplyRAID
The New network volume wizard does not offer a migration path from SimplyRAID to SimplyRAID
Important info regarding NAS backup : As further protection against the loss of a hard drive or
secondary points of failure (e.g. hardware, network, etc.), it is recommended that all users back up
Important info on creating a single-disk volume : Single-disk volumes can be created with expansion
in mind. For example, you can launch the New network volume wizard to create a single-disk volume
using SimplyRAID, JBOD, or RAID 1. Though the volume will not provide data protection in a single-
disk configuration, it is prepared for expansion when you add one or more hard drives. If you intend
to expand the volume to four or more hard drives, consider using SimplyRAID since RAID 1 cannot
Volume names: The default names for newly created volumes are Volume 1, Volume 2, etc. For instructions
on how to change the name of the volume, see Storage. An encrypted volume retains the default name and
Apart from RAID 0 and RAID 10, RAID volumes can be expanded with new hard drives. However, it is
not possible to add new hard drives with inferior capacities. For example, a RAID 5 or SimplyRAID
.volume with three 2TB hard drives supports the addition of a fourth hard drive that is 2TB or higher
110
(RAID 1 (minimum of two hard drives for data protection
.volume. Therefore, a spare hard drive is not supported with SimplyRAID
.You must use Custom to configure SimplyRAID Dual
.data to a DAS or another NAS. See
New network volume wizard steps
:Consider the following when creating a new volume
10/18/16
(RAID 0 (minimum of two hard drives
(minimum of three hard drives)
(minimum of four hard drives ) 6
(minimum of four hard drives ) 10
:Important note on SimplyRAID Dual
Backup Manager
.reach beyond three hard drives
.it cannot be changed
:Planning for volume expansion

.Dual

for details

Seagate NAS OS 4