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SAN Volume Controller: Best Practices and Performance Guidelines by

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Chapter 11.3.3. General data layout recommendations

Page 206

206 SAN Volume Controller: Best Practices and Performance Guidelines 11.3.3 General data layout recommendations Our primary recommendation for laying out data on SVC back- end storage for general applications is to use striped VDisks across MDGs consisting of similar- type MDisks with each MDisk built on a full RAID array. This general purpose rule is applicable to most SVC storage configurations. This approach also removes a significant data layout burden for the storage administrators. Consider where the “ failure boundaries” are in the back- end storage and take this into consideration when locating application data. A failure boundary is defined as what will be affected if we lose ...

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