Promise Technology E610f Manual Pagina 296

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VTrak E-Class Product Manual
274
Recommended Applications for RAID 60:
Accounting and Financial
Database servers
Any application requiring very high availability
RAID 60 Logical Drive
No. of
Drives
No. of
Axles
Drives
per Axle
No. of
Drives
No. of
Axles
Drives
per Axle
8 2 4,4 17 2 8,9
9 2 4,5 3 5,6,6
10 2 5,5 4 4,4,4,5
11 25,6 1829,9
12 2 6,6 3 6,6,6
3 4,4,4 4 4,4,5,5
13 2 6,7 19 2 9,10
3 4,4,5 3 6,6,7
14 2 7,7 4 4,5,5,5
3 4,5,5 20 2 10,10
15 2 7,8 3 6,7,7
3 5,5,5 4 5,5,5,5
16 2 8,8 5 4,4,4,4,4
3 5,5,6
4 4,4,4,4
Advantages Disadvantages
High Read data transaction rate
Medium Write data transaction
rate
Good aggregate transfer rate
Safest RAID level
High disk overhead – equivalent
of two drives used for parity
Slightly lower performance than
RAID 50
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