Dell-EMC
E20-816 · Question #101
A customer has the following storage configuration for a specific application: - Symmetrix VMAX 4 engine with 128 GB cache per engine - SRDF/A with two 1 Gbps links to remote site - 4.2 TB of…
The correct answer is B. View SRDF/A device write pending count versus system write pending count. See the full explanation below for the reasoning.
Question
A customer has the following storage configuration for a specific application:
- Symmetrix VMAX 4 engine with 128 GB cache per engine
- SRDF/A with two 1 Gbps links to remote site
- 4.2 TB of logical volumes configured for SRDF/A replication
- SMC / SPA installed for storage management
The customer is periodically experiencing high response times for the application. How can the customer use SPA to determine the potential cause of the high response times?
Options
- AView Directors BE % busy versus Directors FE % busy
- BView SRDF/A device write pending count versus system write pending count
- CView Ports FE throughput in Kbps versus Devices Kbps read + Devices Kpbs written
- DView RDF-Group (group number) rewrites per sec
How the community answered
(19 responses)- A5% (1)
- B74% (14)
- C16% (3)
- D5% (1)
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