Dell-EMC
E20-816 · Question #6
A customer reports their hosts are performing slowly after migration to a new VMAX array. You review performance data from the VMAX and note the following: - I/O sizes are 16 KB. - The front-end…
The correct answer is A. Rebalance the hosts across all available FA ports and consider upgrading the SAN switch. See the full explanation below for the reasoning.
Question
A customer reports their hosts are performing slowly after migration to a new VMAX array. You review performance data from the VMAX and note the following:
- I/O sizes are 16 KB.
- The front-end director ports are operating at 1 GB auto-negotiate.
- Several front-end director ports are approaching 100% utilization.
- A few director ports show little or no utilization.
What do you advise the customer?
Options
- ARebalance the hosts across all available FA ports and consider upgrading the SAN switch
- BReduce the number of hosts that are accessing the VMAX and consider implementing iSCSI
- CRebalance the hosts across all available FA ports and consider setting the front-end director
- DAdd more HBAs to each host accessing the VMAX and consider setting the host I/O size to
How the community answered
(47 responses)- A79% (37)
- B11% (5)
- C6% (3)
- D4% (2)
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