Dell PowerVault 221S Руководство - Страница 12
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS
Streaming Media Servers
Streaming media servers are systems that provide web casting, video conferencing,
internet entertainment like TV or radio, and multimedia content oriented services. These
are systems that generally require a balance between storage capacity, availability,
redundancy and performance. Like web servers, they may also be part of a group of
systems that work together to provide content.
I/O Profile
I/O Profile
(Read/Write)
(Sequential/Random)
98/2
Sequential
Application
Streaming
Media
Recommended:
•
•
•
Possible:
•
Not Recommended:
•
Note: While these configurations are not recommended, they can be configured and
utilized.
PAGE 12
that can afford some downtime and rely on backups to restore data, this could
be a solution.
• Table 2-15 Database General IO profile
Bandwidth
Heavy
• Table 2-16: Database sever RAID Guidelines
Concatenated
Recommended
RAID 5 – Recommended for streaming media servers that require maximum
storage capacity and only base data protection and performance. This would
be recommended RAID configuration for stand alone streaming media servers.
RAID 50 – Recommended for those solutions that require a balance between
storage capacity and performance.
availability and redundancy but less storage capacity.
RAID 0 – While this solution is not redundant, this may be useful for streaming
media servers that require better performance and are members of a cluster of
servers where availability and redundancy is handled at a higher level.
RAID 1, RAID 10 – Possible solutions in situations which do not require high
storage capacity. In general servers utilized for streaming media require large
amounts of storage capacity for content especially uncompressed video.
Concatenated – This solution is not recommended due to lack of redundancy
and limited performance.
Latency
IO Size
Sensitivity
>64K
High
RAID Level
0
1
10
Not Recommended
This solution would provide greater
VER A02
Growth
Criticality
Rate
High
Varies
5
50
Possible
11/17/2005