1. What is storage
QsanTechnology.com

2. What is storage

3. What is storage
 Any recording media used to store digital data.

4. What is storage
 Any recording media used to store digital data.
 Memory, optical disk (CD/DVD), flash memory (SD card, USB
flash drive), hard drives.

5. Why use external storage

6. Why use external storage
 Capacity expansion
 4~6 internal disks per host vs. over 100 disks per storage
subsystem.

7. Why use external storage
 Capacity expansion
 4~6 internal disks per host vs. over 100 disks per storage
subsystem.
 Data protection with RAID design on storage
 Redundancy provided by RAID 1/5/6.

8. Why use external storage
 Capacity expansion
 4~6 internal disks per host vs. over 100 disks per storage
subsystem.
 Data protection with RAID design on storage
 Redundancy provided by RAID 1/5/6.
 High performance with RAID design on storage
 Access multiple disks at the same time.

9. Why use external storage
 Capacity expansion
 4~6 internal disks per host vs. over 100 disks per storage
subsystem.
 Data protection with RAID design on storage
 Redundancy provided by RAID 1/5/6.
 High performance with RAID design on storage
 Access multiple disks at the same time.
 Shared by different hosts.
 SAN/NAS, shared storage between hosts.

10. Divided by architecture

11. Divided by architecture
 DAS – Direct-attached storage
 SAN – Storage area network
 NAS – Network-attached storage

12. DAS
 Direct-attached storage

13. DAS
 Direct-attached storage
 Storage directly attached to a server or
workstation.

14. DAS
 Direct-attached storage
 Storage directly attached to a server or
workstation.
 The no. of hosts share this storage equals to
the no. of I/O ports on the storage.

15. DAS
 Direct-attached storage
 Storage directly attached to a server or
workstation.
 The no. of hosts share this storage equals to
the no. of I/O ports on the storage.
 It is block I/O, the file system is managed by
the server/workstation.

16. DAS
 Direct-attached storage
 Storage directly attached to a server or
workstation.
 The no. of hosts share this storage equals to
the no. of I/O ports on the storage.
 It is block I/O, the file system is managed by
the server/workstation.
 A “storage island” with inability to share data
or unused resource (space) with other
servers.

17. DAS
 Direct-attached storage
 Storage directly attached to a server or
workstation.
 The no. of hosts share this storage equals to
the no. of I/O ports on the storage.
 It is block I/O, the file system is managed by
the server/workstation.
 A “storage island” with inability to share data
or unused resource (space) with other
servers.
 Qsan SCSI/ SAS storage.
 S300Q

18. SAN
 Storage area network
Ethernet/Fiber Channel
switch

19. SAN
 Storage area network
 A dedicated network provided access to a
consolidated, block-level storage.
Ethernet/Fiber Channel
switch

20. SAN
 Storage area network
 A dedicated network provided access to a
consolidated, block-level storage.
 Ethernet (iSCSI) or fiber channel.
Ethernet/Fiber Channel
switch

21. SAN
 Storage area network
 A dedicated network provided access to a
consolidated, block-level storage.
 Ethernet (iSCSI) or fiber channel.
 Consolidate the “storage island” created by
the DAS.
Ethernet/Fiber Channel
switch

22. SAN
 Storage area network
 A dedicated network provided access to a
consolidated, block-level storage.
 Ethernet (iSCSI) or fiber channel.
 Consolidate the “storage island” created by
the DAS.
 It is block I/O, the file system managed by
the server/workstation.
Ethernet/Fiber Channel
switch

23. SAN
 Storage area network
 A dedicated network provided access to a
consolidated, block-level storage.
 Ethernet (iSCSI) or fiber channel.
 Consolidate the “storage island” created by
the DAS.
 It is block I/O, the file system managed by
the server/workstation.
Ethernet/Fiber Channel
switch  Qsan iSCSI/ FC storage.
 iSCSI
• P600Q, P500Q, P400Q, P300Q,
P110V04
 Fibre Channel
• F600Q, F400Q,F300Q

24. P600Q
 10GbE iSCSI-6G SAS High Availability Systems
 Intel Xeon Dual core CPU, Intel® Ethernet 10GbE
 Dual Active controllers, and full redundant and hot-pluggable design
 2x 10GbE + 2x 1GbE iSCSI ports per controller
 SBB form factor, 4U24/3U16/2U12/2U24
 Outstanding Performance
 QiSOE (Qsan Hardware iSCSI offload engine)
 Up to 640K IOPS, up to 4,000 MB/s throughput
24

25. F600Q
 8GbE FC-6G SAS High Availability Systems
 Intel Xeon Dual core CPU
 Dual Active controllers, and full redundant and hot-pluggable design
 4x 8G FC + 2x 1GbE iSCSI ports per controller
 SBB form factor, 4U24/3U16/2U12/2U24
 Outstanding Performance
 Up to 650K IOPS, up to 5,000 MB/s throughput
25

26. NAS
 Network-attached storage.
Ethernet switch
Acts like a file server

27. NAS
 Network-attached storage.
 It is a specialized computer for storing and
serving files.
Ethernet switch
Acts like a file server

28. NAS
 Network-attached storage.
 It is a specialized computer for storing and
serving files.
 It is connected to network that only provides
“file-based” data storage service to other
devices on the network.
Ethernet switch
Acts like a file server

29. NAS
 Network-attached storage.
 It is a specialized computer for storing and
serving files.
 It is connected to network that only provides
“file-based” data storage service to other
devices on the network.
 Acts like a file server on the network.
Ethernet switch
Acts like a file server

30. NAS
 Network-attached storage.
 It is a specialized computer for storing and
serving files.
 It is connected to network that only provides
“file-based” data storage service to other
devices on the network.
 Acts like a file server on the network.
Ethernet switch
 Qsan unified storages, combines NAS
and SAN (iSCSI) together.
 U600Q
 U400Q
Acts like a file server

31. Reward Product
Outstanding Advanced Protection
• Hardware RAID
Performance • Snapshot
• SSD caching • Volume clone
• Qsan Unified OS • Battery Backup Module
• AntiVirus
Integrated Backup Storage Efficiency
• Amazon
Solution S3 Cloud backup • Thin Provisioning, DeDup,
• Remote Replication Compression
• UnifiedAUTH
31

32. Block level v.s File level

33. Block level v.s File level
Block level storage system

34. Block level v.s File level
Block level storage system
 Presents as a hard disk to servers.

35. Block level v.s File level
Block level storage system
 Presents as a hard disk to servers.
 A file system is created and
managed by the server accesses to
the storage volume.

36. Block level v.s File level
Block level storage system
 Presents as a hard disk to servers.
 A file system is created and
managed by the server accesses to
the storage volume.
 Offers a better performance/
speed than file level storage
without file level overhead.

37. Block level v.s File level
Block level storage system
 Presents as a hard disk to servers.
 A file system is created and
managed by the server accesses to
the storage volume.
 Offers a better performance/
speed than file level storage
without file level overhead.
 Supports external boot-up of the
systems connected to them. (boot
from SAN)

38. Block level v.s File level
Block level storage system File level storage system
 Presents as a hard disk to servers.
 A file system is created and
managed by the server accesses to
the storage volume.
 Offers a better performance/
speed than file level storage
without file level overhead.
 Supports external boot-up of the
systems connected to them. (boot
from SAN)

39. Block level v.s File level
Block level storage system File level storage system
 Presents as a hard disk to servers.  Presents as a file server to client
 A file system is created and servers.
managed by the server accesses to
the storage volume.
 Offers a better performance/
speed than file level storage
without file level overhead.
 Supports external boot-up of the
systems connected to them. (boot
from SAN)

40. Block level v.s File level
Block level storage system File level storage system
 Presents as a hard disk to servers.  Presents as a file server to client
 A file system is created and servers.
managed by the server accesses to  A file system is created and
the storage volume. managed by the storage (NAS)
 Offers a better performance/ itself.
speed than file level storage
without file level overhead.
 Supports external boot-up of the
systems connected to them. (boot
from SAN)

41. Block level v.s File level
Block level storage system File level storage system
 Presents as a hard disk to servers.  Presents as a file server to client
 A file system is created and servers.
managed by the server accesses to  A file system is created and
the storage volume. managed by the storage (NAS)
 Offers a better performance/ itself.
speed than file level storage  Files are stored and shared through
without file level overhead. file level protocols like
 Supports external boot-up of the CIFS/NFS/FTP.
systems connected to them. (boot
from SAN)

42. Architectures

43. Architectures
DAS
Server
Application
File system
Disk Storage

44. Architectures
SAN DAS
Server Server
Application Application
File system File system
TCP/IP or FC
Networking
Disk Storage

45. Architectures
NAS SAN DAS
Server Server Server
Application Application Application
File system File system
TCP/IP TCP/IP or FC
Networking Networking
File system
Disk Storage

46. QsanTechnology.com
Sales@Qsan.com.tw
Thank you very much!