单选题A customer has a file server with RAID-5 using 8KB random I/Os， with 67% reads and 33% writes. How should the disk controller cache be configured for optimal performance？（）AUse write-back cacheBUse write-back cache with battery backupCUse write-through cache with disk caching enabledDUse write-through cache with disk caching disabled
单选题
A customer has a file server with RAID-5 using 8KB random I/Os， with 67% reads and 33% writes. How should the disk controller cache be configured for optimal performance？（）
A
Use write-back cache
B
Use write-back cache with battery backup
C
Use write-through cache with disk caching enabled
D
Use write-through cache with disk caching disabled
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