storage area network (san) san definition
TRANSCRIPT
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Storage Area Network(SAN)
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SAN Definition
SAN componentsFibre Channel NetworkHost Bus Adapter (HBA)Enterprise Storage
A SAN is an intelligent network environment in which storage resources are deployed and managed independently of any single server . . . .
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SAN Components
Fibre Channel (FC) Network
Fibre Channel Network - Host Bus Adapter (HBA) - Enterprise Storage
A high performance (200 MB/sec) redundant network made up of fibre channel switches for deploying and sharing enterprise resources
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SAN Components
Host Bus Adapter (HBA)
Fibre Channel Network - Host Bus Adapter (HBA) - Enterprise Storage
Similar to a SCSI adapter card or a LAN network interface card (NIC), provides the server with a FC interface to the SAN
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SAN Components
Enterprise Storage
Fibre Channel Network - Host Bus Adapter (HBA) - Enterprise Storage
Any storage device with FC interface that is interoperable with the switches, HBAs, servers and server operating systems in the network
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User Requirements
Increased storage capacity Support for multiple storage/server architecturesContinuous/High availabilityCross-platform solutions
Why SAN ?
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Why SAN ?
User Requirements
Support higher levels of I/O activityHigher performance backup/restoreData sharingSecure Assets
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SAN Benefits
Performance FC @ 200MB/sec vs SCSI @ 40MB/sec
AvailabilityRedundancy, non-disruptive upgrades
Scalability
Add or re-deploy storage as needed
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SAN Benefits
FlexibilityNew, advanced SAN devices can easily be added as older devices wear out or become obsolete
Backup/restore/archiveMove data at FC speed vs LAN (up to 100x)
Centralized storage managementManage SAN as a single entity (shared resources)
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SAN Benefits
Reduced costsStorage management, capacity overhead
Data sharing
Access to any data on SAN
Secure Assets
Multiple layers of security to ensure data integrity
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SAN Benefits
Remote ReplicationGeographical data replication for disaster recovery
SAN to SAN Copy
Copy data from disk to disk geographically using SAN technology
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Solaris
AIXHP-UX
NT/
W2K
LAN (Ethernet)
SAN (Fibre Channel)
Open Systems Servers
SAN Servers – Operating Systems
NIC NIC NIC
NIC
HBA HBA HBA
HBA
FABRIC SWITCHES
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SAN Storage –Performance Connectivity
Hundreds of 2-Gbit/sec Fibre Channel interfaces allow thousands of MB/sec aggregate data rates
Reliability/AvailabilityFully redundant components allow for non-disruptive maintenance and upgrades
Scalability 28 TB disk storage now installed and growing28 GB cache, can scale to 32 GB cache memory
9960 Storage
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The Network – Brocade Switches
Performance/ConnectivityHundreds of 2-Gbit/sec ports provide SAN connectivity to HDS storage and Enterprise-class tape
Reliability/AvailabilityBrocade is the market leader in FC switch technologyMultiple switches provide redundancy for SAN components
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SAN Storage – Backup/Recovery
Veritas Net BackupLan-free, server-free backup, directly from SAN storage through the switch to Enterprise-class StorageTek Automated Tape Library
PerformanceBackup data moves at fibre channel speed, up to 100 times faster than LAN backup, 5 times faster than SCSI
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SAN Replication – Disaster Recovery
LAN (Ethernet)Primary SAN Site
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SAN Replication – Disaster Recovery
Alternate SAN Site LAN (Ethernet)
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SAN Replication – Disaster Recovery…are linked together via the USDA Wide Area Network.
The link is an asynchronous channel extension for distance and secured with encryption.
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NITC is offering SAN as a total Enterprise solution for your immediate and long term IT needs.
NITC Offering
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“Partnering for Success”
888-USE-NITC
www.ocio.usda.gov/nitc