Dell-EMC
E20-326 · Question #228
A customer plans to configure their new Symmetrix VMAX 20K. They want your advice on how to configure a storage pool. This new storage pool will handle random write I/O What should be your advice…
The correct answer is A. Use RAID 1 because RAID 5 and RAID 6 will have a higher write penalty. See the full explanation below for the reasoning.
Question
A customer plans to configure their new Symmetrix VMAX 20K. They want your advice on how to configure a storage pool. This new storage pool will handle random write I/O What should be your advice about RAID types as they relate to performance?
Options
- AUse RAID 1 because RAID 5 and RAID 6 will have a higher write penalty.
- BUse RAID 5 because it can be more efficient for random writes than RAID 1.
- CUse RAID 6 because both RAID 1 and RAID 5 have a higher write penalty.
- DRAID type does not matter since everything in the VMAX goes through cache.
How the community answered
(58 responses)- A81% (47)
- B5% (3)
- C10% (6)
- D3% (2)
Community Discussion
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