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Storage Area Network SAN

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Title: Stroage Area Newtork SAN Last modified by: hamdi Created Date: 10/31/2003 3:42:09 AM Document presentation format: On-screen Show Company: ABC – PowerPoint PPT presentation

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Title: Storage Area Network SAN


1
Storage Area Network SAN
  • Team Members
  • Lee Kwok Chiu, Albert
  • Tan Kin Hon, Terence
  • Wong Siu Por, Paul

2
Fibre Channel Tutorial
  • Concept of Nodes and Ports
  • Nodes can be Hosts or Devices, the ports are
    the bus adapters.
  • Nodes communicate via three possible
    topologies Point to point, Loop, and Fabric.

3
Storage Area Network (SAN)
  • Servers
  • HBA JNI, Qlogic, etc
  • OS Solaris, AIX, NT, etc
  • Switches
  • Storage Arrays
  • Tapes Libray
  • Application
  • Omniback, Netbackup
  • Oracle, Sybase
  • SAN Mgr LM/DM

4
A san configuration
SUNsolaris
IBM AIX
San Switches
SAN switches
Storage array
NT Server
San switches
Legend
HPUX servers
Linux servers
Fibre Channel
5
San Components
  • Server systems
  • IBM(RS6000), SUN(E10000), HP(superdome), DELL)
  • Storages Device
  • EMC(Clarion), HDS(9900), IBM(shark), HP(xp1024)
  • Fibre Channel Switches, hubs
  • Brocade, Mac-data, Cisco
  • Backup devices
  • tape library (Storage Tech )
  • Management backup software
  • Veritas backup, HP openview, Legato, CA unicenter

6
San Switches
  • Hardware Features
  • -8 16 port Fabric Switches.
  • -Universal ports (E, F, FL)
  • 1 Gb/s port speeds
  • ( 2 Gb/s now)
  • Hardware Port Zoning
  • ISL Trunking
  • -Hot-swappable, redundant cooling fan, power
    supply
  • Management
  • - telnet web browsing
  • -12000 no single point of failure

SilkWorm 12000 (128 port core switches)
7
Switch Management -using web browsing or telnet
8
Why SAN SAN switches ?
  • High Speed
  • Using of Fibre channel switching technology.
  • Full duplex bandwidth 1Gb/s, 2 Gb/s, 8 Gb/s
    using Trunking
  • Cost effective
  • Storage resource share
  • Data is readily across the enterprise
  • Improved Return on Investment (ROI)
  • Centralized management
  • High expandability, high scalability
  • San Solution, the market trend !!
  • Server Free backup and restore
  • Clustering
  • Business continuance Disaster recovery
  • Fulfill business requirement

9
SAN Solution Server-free back up Restore
  • Traditional network with each server attached its
    tape library.
  • Using single SAN tape library for backup.
  • Backup is centralized and effective.
  • Online data copies snapshot, and server
    downtime is minimized.

switches
Storage
Tape library
10
San SolutionsClustering
  • Redundant path available to storage device.
  • No single point of failure.
  • Non-disruptive maintenance and upgrade.
  • Advantages
  • Quick application dynamic failover is feasible.
  • Transparent to users.
  • 99.9 system availability.

Dual switches
11
San SolutionsClustering (contd)
12
SAN Solutions Business continuity and disaster
Recovery
  • Losing Millions of dollars for hourly system
    outage.
  • (Financial security firms, Stock Exchange)
  • High Data system availability is extremely
    important !
  • Non-stop !

13
SAN Solution Business continuity and disaster
Recovery (cont.d)
  • Mirror site set up using extended fabric (120
    KM), using
  • DWDM (Dense-Wave Division Multiplexing)
  • Extend wavelength GBIC
  • SFP (small form Factor Pluggable interfaces)
  • Using existing WAN Technology like ATM for long
    distance.
  • Business operation resume within a short time
    during disaster.

ATM
DWDM
14
ISL Trunking
  • Advantages
  • High bandwidth (8Gb/s)
  • Load sharing
  • In order frame delivery
  • Link redundancy on need for re-routing if one
    link failure
  • Simpler management
  • Only one logical link between 2 switches.
  • Use in between core switch in large scale SAN.
  • What is ISL?
  • ISL is link between 2 san switches, so call inter
    switching links.
  • What is ISL Trunking?
  • Combine 4 pyhsical ISLs into one single logical
    links.

15
ISL Trunking
  • Throughput of ISL no (trunking)(11.50.511)Gb/
    s 5 Gb/s
  • Throughput of ISL trunking (1.51.50.512)Gb/s
    7 Gb/s

16
SAN Security- Zoning
  • Storage Area network devices arranged into
    specified logical groups.

17
SAN Security- Zoning(contd)
  • Advantages of zoning
  • Partition storage area networks into logical
    groupings of devices.
  • Flexible device can be member of more than one
    zone, like tape library.
  • Controlled access barrier between different
    operating environment AIX, Solaris, hpux,
    win2000, Linux.
  • Ease of monitoring
  • Can telnet into san switches
  • Using web browser.
  • What is san zoning?
  • Fabric-connected devices arranged into specified
    logical groups, devices can be members of
    multiple zone.
  • Types zoning
  • Port Zoning base on switch port (domain ID,
    number)
  • WWN Zoning base on fibre channel cards World
    wide name which is similar to Mac address of
    Ethernet card.
  • Mixed Zoning base on port WWN.

18
SAN Security- Zoning example (with ISL trunking)
19
SAN(storage area network) NAS (network attached
storage)
20
SAN NAS (contd)
SAN Nas
Protocol a)Fibre Channel b)Fibre Channel Scsi TCP/IP
Applications -Mission-critical transaction-based database application -High Availability -Backup Restore -Business Continuance -Storage Consolidation -Server Consolidation Limited read only data base access File Sharing in NFS and CIFS -Small-block of data transfer over long distances
Advantages -Large, heterogeneous block data transfer -Data transfer reliability -Reduces LAN traffic -Configuration flexibility -High Performance -High Scalability -Centralized Management -Multiple Vendor offerings -Resilience to failure - Simpilied addition of files sharing capacity - Easy deployment and maintenance - Best for low-volume file sharing between multiple peer clients which are less sensitive to response times
21
Thank You !!
  • Questions if any ?
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