1. MaxTronic International Co., Ltd.
Arena iSCSI Presentation: iSCSI vs. NAS
Jan., 2013

2. Storage Environment DAS Direct Attached Storage SAN
Storage Area Networks
NAS
Network Attached Storage 2

3. DAS FC / IP SAN NAS Application software
File system
Networking
FC / SAS / SCSI / eSATA RAID
Networking
File system
FC / iSCSI RAID
NAS
Networking 3

4. DAS - Direct Attached Storage
Data storage connect directly to a server or workshop through Host Bus Adapter (HBA), there is no network between storage and host servers
Storage
Storage
Server A
Ethernet 4

5. SAN - Storage Area Networks
A dedicated data storage network which can be accessed by multiple servers
SAN
LAN
Client
Server A
Storage
Data
Command
Storage
Server B
Client 5

6. NAS - Network Attached Storage
A file level computer data storage connect to other device on TCP/ IP network
Client
Server B
Ethernet
NAS
Client
Server A
NAS 6

7. Difference of iSCSI, NAS - 1
Storage
Computer
File Level
File System
iSCSI
Storage
Block Level
Computer
File System
Network Attached Storage (NAS) uses
File-Level protocols such as NFS or
SMB/CIFS for remote files sharing.
Same as traditional SCSI and FC
interface, iSCSI require Block-Level
access to the hard drives such as
servers, databases, and high
usage file servers. 7

8. Difference of iSCSI, NAS - 2
NAS
IP-SAN (iSCSI)
Device
RAW device + format type
RAW device
Internal Access
File Level
Block Level
Flexibility
Bad
Good
Scalability
Poor
High
Protocol
NFS/CIFS/AFP
iSCSI
Performance
Low
Suitability
Small Files
Big Files
Share Concept
Data Sharing
Storage Sharing 8 8

9. Why 1Gb iSCSI? Low Total Cost of Ownership
Deploy SAN infrastructure on the existing Ethernet infrastructure
Share the 10Gb infrastructure NIC, switch, cables
Leverage technology expertise
The same technology as existing network topology
No additional training needed
Easy management and maintenance
Upgrade performance from existing 1Gb iSCSI 9 9 9

10. IP SAN Structure 10 改圖: 用10Gb Switch 來換掉中央的FC switch
Department 跟 data center 保留, 但是將FC RAID 改成iSCSI RAID, Hub 改成switch
其他改成Virtualization, Cluster 10 10 10

11. Server Virtualization
iSCSI Application - 1
Server Virtualization
SAN management 11

12. iSCSI Application - 2
Surveillance 12

13. Nova 1Gb iSCSI RAID Overview
Model
Nova 29S
Nova 39S
Nova 49S
Controller
Single
Controller CPU
1.2GHz
Cache Memory
Up to 4GB DDR II
Host Channel No.
(4+2) x 1Gb iSCSI
Disk Interface
6Gb SAS / SATA /SSD
Hot Swappable trays
12 x 3.5"
16 x 3.5"
24 x 3.5"
Expansion
Up to 120 disks
Management
Embedded GUI, CLI through standard LAN
Hot Swap Parts
2 x 400W P/S, 2 x Fan Module
2 x 500W P/S, 2 x Fan Module
3 x 400W P/S, 2 x Fan Module
RAID Levels
JBOD, 0, 1, 3, 5, 6, 10, 30, 50, 60, NRAID
JBOD, 0, 1, 3, 5, 6, 10, 30, 50, 60, NRAID 13 13 13

14. 1Gb iSCSI Performance Comparison
Nova 39S
RAID Level \ I/O test
Read
Write R0
286 MB
223 MB R5
270 MB
183 MB
SS-6603E
RAID Level \ I/O test
Read
Write R0
256 MB
177 MB R5
243 MB
153 MB
再確認一次performance 14 14 14

15. Max. 120 disks High Scalability =
Internal SAS expanders enable easy to connect another SAS 6Gb JBOD enclosures up to 7 x JBOD, scalable up to 120 drives
Support latest 3TB HDD
Feasible for 24x7 operation.
120??? (待確認) =
Max. 120 disks 15 15 15

16. New features from
Nova Entry Series 16 16 16

17. Easy Configuration & Management
Embedded, browser based Graphic User Interface.
Quick setup menu to allow setup RAID level in only 3 steps. 17 17 17

18. Modularized and ECO friendly Design
Fully modularization, designed for easy configuration, easy field service, easy inventory management
Shared modules for different platforms:
Same controller module for 2U, 3U, 4U
Same P/S module for 2U, 4U
Same Fan module for 3U, 4U
Same Cache backup module for 3U, 4U
Eco Friendly design
ROHS Compliance
Smart FAN Control
80% High Efficiency
Power Supply
Disk Standby 18

19. Arena Data Care Features
RAID Level
Support RAID levels 1, 3, 5, and 6 to prevent for drive failure.
Sustained read performance even in degrade mode.
Disk Cloning
A method to automatically copy data to spare disk and replace the sick disk. It could be configured to trigger by the following conditions:
Over bad block threshold of disk.
Detect SMART warning from disk.
Disk cloning is to prevent a rebuild from ever occurring and having the unit in degraded mode.
On-line Array Roaming
Array member disks has recorded specific Identification when original RAID system or controller faulty, the function provides a easily way to recognized data back by just move member disks to the same model and working RAID system.
Array Recovery
A embedded utility to rescue array set back from a fatal error of when parity array (RAID 3/5/6) unexpected lose too many disks and makes array fail.
Block 6
Block 5
Block 4
Block 3
Block 2
Block 1
Parity (5,6)
Parity (3,4)
Parity (1,2)
Sick
Cloning
Fail
Roaming
Working
1st Disk Fail
2nd disk Fail
RAID 5
Fail~
RAID 5 OK
Array
Recovery 19 19

20. Utility Highlights PathGuard™ MPIO RAIDGuard Central™ (RGC)
A specialist software utility focusing on I/O load balancing while increasing performance by leveraging end-to-end I/O path failover and failback, and Multiple path to each device. This software is available in all Redundant series which ensuring business continuity in any event of performance is a priority.
RAIDGuard Central™ (RGC)
A free centralized management software utility to provides centralized monitoring multiple RAID systems by through Ethernet at a local area network. Easier install RGC to a normal PC as an agent and then any PC/server could monitor to RAID system remotely. Allow customer to warning the engineer real-time with mail sending and most popular web messenger: MSN. 20 20

21. Feature Highlights MaxSure
Arena unique F/W feature to support SED (Self Encrypting Drive), the drives are embedded with encryption ASIC and encryption key, to encrypt/decrypt data write / read to the drives automatically. The MaxSure are the 2 features for SED :
Instant Secure Erase
Authentication Key Management
Encryption
Key
Encryption ASIC
Embedded-in
LUN Masking
LUN (Logical Unit Number) Masking is an authorization process that makes a LUN available to some hosts and unavailable to other hosts. LUN Masking is implemented primarily at the HBA level. LUN Masking implemented at this level is vulnerable to any attack that compromises the HBA.
LUN Masking support by storage is important because Windows based servers attempt to write volume labels to all available LUN's. This can render the LUN's unusable by other operation systems and can result in data loss. 21 21 21

22. Summary
More
Secure
Intelligent
Green 22 22 22