System Iops And Bandwidth (Advanced) - Dell EMC VxFlex Ready Node User Manual
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Configuring the System using the VxFlex OS GUI
System IOPS and bandwidth (advanced)
I/O prioritization
Configure Network Throttling
Dell EMC VxFlex Ready Node AMS User Guide
230
NOTICE
These features affect system performance, and should only be
configured by an advanced user.
Give priority to Application I/Os during Rebuild, Rebalance and Migration of jobs, by
performing these steps:
Procedure
1. In the Backend
>
Pool.
2. Right-click the Storage Pool and select Settings > Set I/O Priority.
3. Select Favor Application I/O for Rebalance, Rebuild and Migration, and click
OK.
You can prioritize different types of I/O in the system, as well as configure network
throttling per Protection Domain.
About this task
Priority can be given to different types of I/Os in the system. The number of
concurrent Rebuild and Rebalance jobs can be configured, and bandwidth for
Rebalance jobs can be configured. You can also control I/O priority for Migration.
Refer to "V-Tree migration" for more information. If the Dynamic Bandwidth
Throttling option is selected, additional items can be configured, such as
Application IOPS threshold, Application bandwidth threshold, and
Application threshold quiet period. Default values for these features are
provided in the VxFlex OS CLI Reference Guide .
NOTICE
These features affect system performance, and should only be
configured by an advanced user.
Configure I/O prioritization for Rebuild, Rebalance and Migration by performing these
steps:
Procedure
1. In the Backend
>
Pool.
2. Right-click the Storage Pool and select Settings > Set I/O Priority.
3. Select the desired options and edit values, and click OK.
Configure network throttling to control the flow of traffic over the network.
About this task
Network throttling is configured per Protection Domain. The SDS nodes transfer data
between themselves. This data consists of user-data being replicated as part of the
RAID protection, and data copied for internal rebalancing and recovery from failures.
You can modify the balance between these types of data loads by limiting the data
copy bandwidth. This change affects all SDSs in the specified Protection Domain.
Storageview, navigate to, and select the desired Storage
Storage view, navigate to, and select the desired Storage
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