It's A
‘The storage system-related tasks include separating sequential and random I/Os to different spindles, selecting an appropriate RAID type for a storage pool, and changing storage tiering policy and cache configuration, when the performance management is concerned.’
Key functions:
• Measures and analyzes the response time and throughput of components
• Identifies components that are performing below the expected level
• Makes configuration changes to optimize performance and address issues
Examples of performance management activities:
• Tuning database design, resource allocation to VMs, and multipathing
• Adding new ISLs and aggregating links to eliminate bottleneck
• Separating sequential and random I/Os to different spindles
• Changing storage tiering policy and cache configuration
The performance management tasks on a SAN include implementing new ISLs and aggregating links in a multiswitch fabric to eliminate performance bottleneck. The storage system-related tasks include separating sequential and random I/Os to different spindles, selecting an appropriate RAID type for a storage pool, and changing storage tiering policy and cache configuration, when the performance management is concerned.
Answer A is confirmed
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