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NDAS-SAN Advantage
   
 
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Superior Scalability
 
NDAS-NAS "ShareServer"
 
NAS
 
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Performance Scalability
Add more NAS heads and configure them as a performance cluster & share a common storage over the network.

Unlimited Storage Scalability
Unlimited NDAS units can be scalable over the network.

Easy Expansion
Simple expansion allows to begin small and expand the storage as the storage needs.
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More Administration / Storage Islands
Storage expansion of conventional NAS is limited by the number of available drive bays. Of course external DAS can be connected, but it is not a proper solution in the long run : Maintenance downtime and creation of storage island.

 
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Storage Availability
 
NDAS-NAS "ShareServer"
 
NAS
 
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High Availability
NDAS-NAS by nature allows the construction of high availability architectures and clusters.

Super fast recovery server.
In NDAS-NAS the storage component can be switched instantly to another NAS Head as it is also connected to the networks.
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Replication required

Consumes performance and bandwidth

Cluster size is limited

Downtime
If one NAS server fails, it will necessarily cause downtime while the defective components are replaced.
 
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Storage Consolidation / Centralization
 
NDAS-NAS "ShareServer"
 
NAS
 
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Storage Consolidation
NDAS-NAS allows for consolidation of many conventional NAS-servers into one high performance high availability clustered solution.

Storage Centralization
NDAS-NAS offers centralized storage architecture for efficient storage management and high storage untilization.

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Complicated administration

High Cost

Ineffective storage islands

 
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Block Level Access
 
NDAS-NAS "ShareServer"
 
NAS
 
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Block Level & File Level Access at the same time
Server or clients can access NDAS directly at a block level. Block level access allows exactly the same hardware usage of the NDAS as if it is an internal drive.

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File Level Access Only
Performance depends on the performance of NAS processor. Large traffic would cause bottleneck and slow down data transfer.
File level access limits the
usage of storage.
 
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LAN-less Backup
 
NDAS-NAS "ShareServer"
 
NAS
 
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Fast Backup & Restoration Process
No LAN traffic is interfered in the backup process, accelerating backup and restoration process.

Disk-to-Disk Backup
Use NDAS Mirroring to backup directly to other disk.

Low Cost

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Slow Backup Process
LAN traffic interferes backup traffic and slows down the backup process.

High Cost
Tape storages are relativly expensive then disk storages.

 
 
 


 
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