[筆記]Oracle與RAID
From Metalink.
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RAID Type of RAID Control Database Redo Log Archive Log
File File File File
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0 Striping Avoid* OK* Avoid* Avoid*
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1 Shadowing OK OK Recommended Recommended
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0+1 Striping + OK Recommended Avoid Avoid
Shadowing (1)
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3 Striping with OK Avoid Avoid Avoid
Static Parity (2)
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5 Striping with OK Avoid Avoid Avoid
Rotating Parity (2)
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* RAID 0 does not provide any protection against failures. It requires a strong backup
strategy.
(1) RAID 0+1 is recommended for database files because this avoids hot spots and gives
the best possible performance during a disk failure. The disadvantage of RAID 0+1
is that it is a costly configuration.
(2) When heavy write operation involves this datafile來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/6906/viewspace-21663/,如需轉載,請註明出處,否則將追究法律責任。
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