Dell PowerStore 1200T EMC PowerStore Host Configuration Guide - Page 54

Host Configuration for Linux, Related E-Lab Host Connectivity Guide

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5 Host Configuration for Linux This chapter contains the following topics: Topics: • Related E-Lab Host Connectivity Guide • Recommended Configuration Values Summary • Boot from SAN • Fibre Channel (FC) Configuration • NVMe over Fibre Channel Configuration • iSCSI Configuration • Multipathing Software Configuration • Post-Configuration Steps - Using the PowerStore system Related E-Lab Host Connectivity Guide The topics in this chapter detail specific caveats and configuration parameters that must be present when configuring a Linux host to access a PowerStore storage. These caveats and parameters should be applied with the configuration steps that are detailed on the E-Lab Host Connectivity Guide for Linux (see the E-Lab Interoperability Navigator at https:// elabnavigator.dell.com). Recommended Configuration Values Summary The following table summarizes all used and recommended variables and their values when configuring hosts for Linux. NOTE: Unless indicated otherwise, use the default parameters values. Validation Impact Severity To clarify the above note for using default Stability & Performance parameter settings unless stated otherwise in this chapter, make sure that the following are set per the default operating system setting: ● LUN and HBA queue depth ● HBA timeout Recommended Specify Linux as the operating system for Serviceability each defined host. Mandatory SCSI Device Mapper Multipathing: Performance Recommended Modify /etc/multipath.conf file as follows: ● vendor - "DellEMC" ● product - "PowerStore" ● path_selector - "queue-length 0" ● path_grouping_policy - "group_by_prio" ● path_checker - "tur" ● detect_prio - "yes" Refer to Section For further details, refer to operating system and HBA documentation. Presenting PowerStore Volumes to the Linux Host Configuring Linux Native Multipathing 54 Host Configuration for Linux

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Host Configuration for Linux
This chapter contains the following topics:
Topics:
•
Related E-Lab Host Connectivity Guide
•
Recommended Configuration Values Summary
•
Boot from SAN
•
Fibre Channel (FC) Configuration
•
NVMe over Fibre Channel Configuration
•
iSCSI Configuration
•
Multipathing Software Configuration
•
Post-Configuration Steps - Using the PowerStore system
Related E-Lab Host Connectivity Guide
The topics in this chapter detail specific caveats and configuration parameters that must be present when configuring a
Linux host to access a PowerStore storage. These caveats and parameters should be applied with the configuration steps
that are detailed on the
E-Lab Host Connectivity Guide for Linux
(see the E-Lab Interoperability Navigator at
https://
elabnavigator.dell.com
).
Recommended Configuration Values Summary
The following table summarizes all used and recommended variables and their values when configuring hosts for Linux.
NOTE:
Unless indicated otherwise, use the default parameters values.
Validation
Impact
Severity
Refer to Section
To clarify the above note for using default
parameter settings unless stated otherwise
in this chapter, make sure that the
following are set per the default operating
system setting:
●
LUN and HBA queue depth
●
HBA timeout
Stability & Performance
Recommended
For further details, refer to
operating system and HBA
documentation.
Specify Linux as the operating system for
each defined host.
Serviceability
Mandatory
Presenting PowerStore
Volumes to the Linux Host
SCSI Device Mapper Multipathing:
Modify
/etc/multipath.conf
file as
follows:
●
vendor - "DellEMC"
●
product - "PowerStore"
●
path_selector - "queue-length 0"
●
path_grouping_policy -
"group_by_prio"
●
path_checker - "tur"
●
detect_prio - "yes"
Performance
Recommended
Configuring Linux Native
Multipathing
5
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Host Configuration for Linux