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Dell PowerEdge R960 Host Bus Adapter Users Guide HBA 355 and 350 Series - Page 17

Multipath support on Dell HBA355e Adapter, Dell HBA multipathing using HII, Dell HBA multipathing

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3 Multipath support on Dell HBA355e Adapter When set up for multipath systems, the HBA355e Adapter controllers may access physical drives through multiple paths to provide path redundancy and load balance to the drives. However, the controller does not manage these paths; this function is controlled by the multipath layer in the host operating system. As a result, in a multipath configuration, each separate path to a drive is treated as an independent drive and a single drive may be presented in the operating system as multiple drives. To avoid complications from having multiple paths to a drive, path management software is necessary to map these multiple paths to the same single drive. This chapter covers multipath management options for different operating systems and management interfaces. Topics: • Dell HBA multipathing using HII • Dell HBA multipathing using Windows • Dell HBA multipathing using iDRAC • Dell HBA multipathing using Linux • Dell HBA multipathing using VMware Dell HBA multipathing using HII The Dell HBA355e Adapter controller does not map multiple paths together in HII. Under Device Configuration, select the HBA controller. Under Physical Disk Management > View Physical Disk Properties, select the physical disk to determine whether it has multiple paths. For more information, see Device properties. Dell HBA multipathing using Windows About this task To enable Multipath I/O (MPIO) for Windows Server 2016 and Windows Server 2019: Steps 1. Open the Server Manager. 2. Under Manage, select Add Roles and Features. 3. Follow the steps in the Add Roles and Features Wizard until you reach the Features step. Then, select the Multipath I/O feature for installation. 4. Complete the steps in the Add Roles and Features Wizard to complete the installation. 5. In the Server Manager, select Tools > MPIO. 6. Under the Discover Multipaths tab, select the Add support for SAS devices option and select OK. Restart the system. 7. To check that MPIO is enabled and manage the HBA Drives, open Device Manager and select Disk Drives. Drives that are accessible are now listed as a Multipath Disk Device. 8. Right-click a multipath disk and select Properties. 9. Click MPIO. You can set MPIO policies and check whether both the paths to the drive are active. If configured properly, both the paths display Active/Optimised under the This device has the following paths section. If only one path is listed, check the system storage assignment and hardware configuration. Multipath support on Dell HBA355e Adapter 17

Section	Page
Dell Host Bus Adapter User's Guide HBA 355 and 350 Series	1
Contents	3
Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM	6
Dell HBA355i Adapter	7
Dell HBA355i Front	7
Dell HBA355e Adapter	8
Dell HBA350i MX	8
Dell HBA350i Adapter	9
Dell HBA350i MM	9
Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM technical specifications	9
PowerEdge systems supported by Dell HBA355i Adapter	10
PowerEdge systems supported by Dell HBA355i Front	10
PowerEdge systems supported by Dell HBA355e Adapter	11
PowerEdge systems supported by Dell HBA350i MX	12
PowerEdge systems supported by Dell HBA350i Adapter	12
PowerEdge systems supported by Dell HBA350i MM	12
Operating systems supported by Dell HBA355i Adapter cards	13
MD1400 and MD1420 enclosure support for Dell HBA355e Adapter	13
Port support matrix for dual path on the MD1400 and MD1420 enclosures	13
ME484 enclosure support for Dell HBA355e Adapter	14
Port support matrix for dual path on the ME484 enclosure	14
MD24xx enclosure supported by Dell HBA355e Adapter	14
Supported Cable Configurations	15
External tape drive support for Dell HBA355e Adapter	15
Internal tape drive support for Dell HBA355i Adapter and Dell HBA350i Adapter	15
Applications supported by Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM	16
Human Interface Infrastructure Configuration Utility	16
Dell OpenManage Storage Management	16
The Integrated Dell Remote Access Controller and Lifecycle Controller	16
The Command Line Interface	16
Multipath support on Dell HBA355e Adapter	17
Dell HBA multipathing using HII	17
Dell HBA multipathing using Windows	17
Dell HBA multipathing using iDRAC	18
Dell HBA multipathing using Linux	18
Dell HBA multipathing using VMware	18
Features of Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM	19
Hardware Root of Trust	19
No RAID support	19
Event management support for Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM	19
LED activity	20
Installation and removal of cards	21
Safety instructions	21
Before working inside your system	22
Remove the Dell HBA355i Adapter	22
Install the Dell HBA355i Adapter	23
Remove the Dell HBA355i Front	24
Install the Dell HBA355i Front	25
Remove the Dell HBA355e Adapter	26
Install the Dell HBA355e Adapter	27
Connect the Dell HBA355e Adapter to the storage enclosure	28
Connect an HBA355e adapter to MD24xx enclosures	30
Remove the Dell HBA350i MX	31
Install the Dell HBA350i MX	32
Remove the Dell HBA350i Adapter	33
Install the Dell HBA350i Adapter	34
Remove Dell HBA350i MM	35
Install the HBA350i MM	37
Driver support for Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM	39
Creating the device driver media	39
Download and save Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM drivers from the support site	39
Download and save Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM drivers from the Dell Systems Service and Diagnostic Tools	40
Windows driver installation	40
Install Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM drivers while newly installing the Windows Server 2016 or later	40
Install Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM, driver on which the Windows Server 2016 or later is already installed	41
Update Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM driver that runs on Windows Server 2016 or later	41
Linux driver installation	42
Install or update a RPM driver package using the KMOD support	42
Install or update a RPM driver package using the KMP support	42
Upgrading the Kernel	43
Load the driver while installing an operating system	43
Manage Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM using HII configuration utility	45
Enter the HII configuration utility	45
Exit the HII configuration utility	46
Navigate to the configuration utility	46
Controller management	46
View the controller properties	46
Refresh the topology	47
Device Properties	47
Update the firmware of Dell HBA355i Adapter, Dell HBA355i Front, Dell HBA355e Adapter, Dell HBA350i MX, Dell HBA350i Adapter, and Dell HBA350i MM using DUP	49
Upgrade firmware controller using Dell Update Package (DUP)	49
Getting help	50
Recycling or End-of-Life service information	50
Contacting Dell	50
Receiving automated support with SupportAssist	50
Troubleshooting	52
Known issues	52
The Enclosure ID (EID) or Device ID (DID) may change after a restart	52
VendorID and ProductID for external tape drives	52
VendorID and ProductID for internal tape drives	52
System reserved partition after Windows installation	52
Device settings in HII shows PCIe slot information	53
Select drive for operating system installation in legacy mode	53
Adapter configuration change message	53
Firmware upgrade or downgrade from DUP is not supported on Ubuntu	53

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Multipath support on Dell HBA355e Adapter

When set up for multipath systems, the HBA355e Adapter controllers may access physical drives through multiple paths to

provide path redundancy and load balance to the drives. However, the controller does not manage these paths; this function is

controlled by the multipath layer in the host operating system. As a result, in a multipath configuration, each separate path to

a drive is treated as an independent drive and a single drive may be presented in the operating system as multiple drives. To

avoid complications from having multiple paths to a drive, path management software is necessary to map these multiple paths

to the same single drive. This chapter covers multipath management options for different operating systems and management

interfaces.

Topics:

•

Dell HBA multipathing using HII

•

Dell HBA multipathing using Windows

•

Dell HBA multipathing using iDRAC

•

Dell HBA multipathing using Linux

•

Dell HBA multipathing using VMware

Dell HBA multipathing using HII

The Dell HBA355e Adapter controller does not map multiple paths together in HII. Under

Device Configuration

, select the

HBA controller. Under

Physical Disk Management

View Physical Disk Properties

, select the physical disk to determine

whether it has multiple paths. For more information, see

Device properties

Dell HBA multipathing using Windows

About this task

To enable Multipath I/O (MPIO) for Windows Server 2016 and Windows Server 2019:

Steps

Open the

Server Manager

Under

Manage

, select

Add Roles and Features

Follow the steps in the

Add Roles and Features Wizard

until you reach the

Features

step. Then, select the

Multipath

I/O

feature for installation.

Complete the steps in the

Add Roles and Features Wizard

to complete the installation.

In the

Server Manager

, select

Tools > MPIO

Under the

Discover Multipaths

tab, select the

Add support for SAS devices

option and select

Restart the system.

To check that MPIO is enabled and manage the HBA Drives, open

Device Manager

and select

Disk Drives

Drives that are accessible are now listed as a

Multipath Disk Device

Right-click a multipath disk and select

Properties

Click

MPIO

. You can set MPIO policies and check whether both the paths to the drive are active. If configured properly,

both the paths display

Active/Optimised

under the

This device has the following paths

section. If only one path is

listed, check the system storage assignment and hardware configuration.

Multipath support on Dell HBA355e Adapter