LaCie 5big Network
Administering Your LaCie 5big Network
User Manual
page 38
4.5.4. RAID
Use the disk page to change the RAID type and to view the status of
the 5big’s RAID configuration.
4.5.4.1. Changing the RAID mode
Select a RAID mode in the drop-down menu (a,
Fig. 57
) and click
the
Format
button (b). The front LED will blink blue for 2.5s and
pause for 0.5s until the RAID mode has fully changed. During the
rebuild, an approximate time remaining appears (
Fig. 58
).
CAUTION:
Formatting erases ALL data on the 5big network. Back
up important files to another device before formatting.
Available RAID modes:
4 Disks
5 Disks
RAID 0
RAID 0
RAID 5
RAID 5
RAID 5+Spare
RAID 5+Spare
RAID 6
RAID 6
RAID 10
RAID 6+Spare
RAID 10+Spare
Rebuild times:
The following chart shows the approximate time it takes to convert
from a RAID 0 array to another mode.
New Mode
Total Size
Approx. Time
RAID 5
2.5TB
10 hours
RAID 5
5TB
20 hours
RAID 5
7.5TB
30 hours
RAID 6
5TB
30 hours
RAID 5+Spare
2.5TB
10 hours
RAID 10+Spare
2.5TB
8 hours
RAID 6+Spare
2.5TB
15 hours
Fig. 57
Fig. 58
TECHNICAL NOTE:
If you purchased a 5big with four disks, when
adding a fifth disk, the system will recognize it as a “spare” drive. For
instance, if you have a RAID 5 array, you will automatically have a
RAID 5+Spare array.
