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Pre-Press Applications
․
Any application requiring high bandwidth
․
RAID 1
Advantages
Simplest RAID storage subsystem
design
Can increase read performance by
processing data requests in parallel
since the same data resides on two
different drives
Recommended applications for RAID 1:
Accounting/Financial
․
Payroll
․
Any application requiring very high availability
․
RAID 5
Advantages
High Read data transaction
rateMedium Write data transaction
rateGood aggregate transfer
rateMost versatile RAID level
Recommended applications for RAID 5:
File and Application servers
․
WWW, E-mail, and News servers
․
Intranet servers
․
RAID 10
Advantages
Implemented as a mirrored RAID
Volume whose segments are RAID 0
RAID Volumes High I/O rates are
achieved thanks to multiple stripe
segments
Recommended applications for RAID 10:
Imaging applications
․
Database servers
․
General fileserver
․
Chapter 7: Technology Background
Disadvantages
Very high disk overhead - uses only
50% of total capacity
Disadvantages
Disk failure has a medium impact on
throughput
Disadvantages
Very high disk overhead - uses only
50% of total capacity
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