Performance; Migrate Volumes; Other Functions - Dell EMC VxFlex Ready Node User Manual
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Architecture
Performance
Migrate volumes
Other functions
Dell EMC VxFlex Ready Node AMS User Guide
66
System performance can be enhanced by implementing the high performance profile.
This is the default profile for all system objects (MDMs, SDSs, SDCs, and SPs).
The profile of an SDS can't be changed to compact if it has at least on Fine
Granularity device
The MDM, SDC, and SDS components are deployed with the default performance
profile. To enhance system performance, you can configure each component with the
high profile, either during or after deployment.
The high performance profile should be enabled on servers equipped with processors
based on Haswell-equivalent or newer architectures and 48 GB of RAM. Other
configurations may benefit from this setting as well.
To configure the performance after deployment, use the VxFlex OS GUI, as described
in the VxFlex OS Configure and Customize Guide VxFlex Ready Node User Guide . You can
also use the set_performance_parameters command, as described in the VxFlex
Ready Node CLI Reference Guide .
For more information on the difference between the default and the high performance
profile, see the VxFlex OS Configure and Customize Guide .
You can migrate volumes to a different Storage Pool or Protection Domain within your
VxFlex OS system.
You can migrate volumes from the following storage layers:
From one Storage Pool to another within the same Protection Domain
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From one Storage Pool to another across different Protection Domains
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Volume Tree and all it's snapshots are migrated together
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From thick to thin
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From Fine/Medium to Medium/Fine Granularity
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Requirements to migrate volumes:
Zero padding of pools - especially moving from Medium to Fine Granularity for
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compression benefits
Medium Granularity pools should have zero padding enabled
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This section lists VxFlex OS additional functions.
VxFlex OS includes the following functions:
Log Collection
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This operation collects logs from the MDM, SDS, AMS, iDRAC, RAID controller,
and OS (including ESXi VM-support) logs. Logs are collected in ZIP format, which
you can download for viewing.
You can collect logs using the VxFlex OS Gateway, and the REST API.
The log collection VxFlex OSprocess has the following stages:
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