Which functionality is provided by the EMC ping tool?
Which functionality is provided by the EMC ping tool?
Which workload input methods can be used in VNX Sizer to create recommended configurations for customers?
Which workload input methods can be used in VNX Sizer to create recommended configurations
for customers?
Which pre-sales tool recommends a VNX or VNXe system for a determinate workload?
Which pre-sales tool recommends a VNX or VNXe system for a determinate workload?
Which platforms are supported by the MiTrend tool?
Which platforms are supported by the MiTrend tool?
Which platforms are supported by the MiTrend tool?
Which platforms are supported by the MiTrend tool?
Which tool helps architects decide between EMC replication products based on detailed technical requirements?
Which tool helps architects decide between EMC replication products based on detailed technical
requirements?
Which parameter value would indicate that write cache is disabled for the LUN?
You are reviewing a NAR file from a VNX7500 and notice that a LUN has a write cache hit ratio of
0.0. Which parameter value would indicate that write cache is disabled for the LUN?
What is the EMC recommended practice for gathering performance and capacity data?
You are conducting an evaluation of a large VNX environment. What is the EMC recommended
practice for gathering performance and capacity data?
What is the EMC recommended practice for gathering performance and capacity data?
You are conducting an evaluation of a large VNX environment. What is the EMC recommended
practice for gathering performance and capacity data?
How can the performance issue be resolved?
A customer configured performance monitoring and alerting for their VNX storage array.
Periodically they are getting alerts on write latency greater than 15 ms. The VNX is configured with
a pool of SAS drives and thin LUNs supporting a database application. NAR data, for a given
period which includes one of the alerts, is examined. Flash drives are installed in the VNX;
however, they are not currently used.
Examining the configuration and data shows the following:
— Host Type = Linux
— Multi-pathing = Native
— Failover Mode = 1
— Data LUNs = SP A
— Log LUNs = SP B
— LUN Queue Length = 1.9
— ABQL = 7.5
How can the performance issue be resolved?