Thecus N5500 User Manual

With RAID level migration function, it has two different type “On line” and “Off line”
alone with limitation as listed below.
1. During RAID level migration, it is not allowed reboot or shutdown system.
2. Off line RAID level migration, all services will stop and data is inaccessible.
3. To have ZFS file system created doing on line RAID level migration from R1
to R5 or R1 to R6, the all services will restart and volumes “user data”,
“iSCSI” and “Target USB” are read only during operation.
4. To have ext3 and XFS file system created doing on line RAID level
migration from R1 to R5 or R1 to R6, the all services will restart and
volumes “iSCSI” and “Target USB” are read only but “user data” is capable
read / write during operation.
5. The other combination to make as “On line” can have read / write work as
normal.
Below is a table listing of possible RAID migration schemes:
To
From RAID 0 RAID 5 RAID 6
RAID
0
[OFFLINE]
[RAID 0] HDDx2 to [RAID 0] HDDx3
[RAID 0] HDDx2 to [RAID 0] HDDx4
[RAID 0] HDDx2 to [RAID 0] HDDx5
[RAID 0] HDDx3 to [RAID 0] HDDx4
[RAID 0] HDDx3 to [RAID 0] HDDx5
[RAID 0] HDDx4 to [RAID 0] HDDx5
[OFFLINE]
[RAID 0] HDDx2 to [RAID 5] HDDx3
[RAID 0] HDDx2 to [RAID 5] HDDx4
[RAID 0] HDDx2 to [RAID 5] HDDx5
[RAID 0] HDDx3 to [RAID 5] HDDx4
[RAID 0] HDDx3 to [RAID 5] HDDx5
[RAID 0] HDDx4 to [RAID 5] HDDx5
X
Migrating a RAID volume could take several hours to complete
NOTE
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Thecus N5500 Specifications

General

RAID levels	0, 1, 5, 6, 10, JBOD
Storage drive size	3.5 \
Hot-swap drive bays	Yes
Storage drive capacity	- GB
Supported file systems	EXT3, XFS, ZFS
Storage drive interface	Serial ATA
Total installed storage capacity	0 TB
Maximum supported storage capacity	10 TB
Number of storage drives installed	0
Number of storage drives supported	5
Flash memory	128 MB
Internal memory	1 GB
Internal memory type	DDR2
Processor frequency	1.86 GHz
Supported network protocols	TCP/IP, CIFS/SMB, AFP, NFS, HTTP, HTTPS, FTP, FTP-SSL/TLS
USB 2.0 ports quantity	6
Ethernet LAN (RJ-45) ports	2
Dimensions (WxDxH)	190 x 240 x 230 mm
Management platform	Linux
Compatible operating systems	Windows 7/2000/XP/2003/Vista UNIX/Linux Mac OS 9 / X
Operating temperature (T-T)	5 - 40 °C
Operating relative humidity (H-H)	0 - 80 %
Power supply unit (PSU) capacity	200 W

Weight and Dimensions

Weight	7200 g