Modify FC Port Parameters

Overview
User Privileges
Settings
Operating Procedures

Overview

This function sets the parameters for the FC host interface port that connects between the storage system and the host, or connects between the storage systems for REC or Storage Migration.

Caution

When changing port parameters during operation, stop access from the server that is allocated to the target port. Host access does not need to be stopped to change the port parameters of newly added CA ports.
Port parameters cannot be changed for FC-Initiator ports that have online Storage Migration paths or offline Storage Migration paths.

Note

There are four types of port modes for FC ports: CA, RA, CA/RA, and Initiator. CA is used for connections, RA is used for REC, CA/RA is used for both applications, and Initiator is used for Storage Migration. To change the port mode, use the [Modify Port Mode] function. The default value is "CA".
For more details on FC-CA parameter settings, refer to "Configuration Guide -Server Connection-" for each OS type.
When changing the port parameters for FC-Initiator port, delete the path group specified in the target port. Refer to the [Delete Storage Migration Path] function for details about how to delete the Storage Migration path.

User Privileges

Availability of Executions in the Default Role

Default role	Availability of executions
Monitor
Admin
StorageAdmin
AccountAdmin
SecurityAdmin
Maintainer

Refer to "User Roles and Policies" for details on the policies and roles.

Settings

Modify FC Port Parameters

In this screen, specify the port connection information (FC port parameters) to connect a host, to perform REC, or to perform Storage Migration.

The settings of the FC port parameters vary depending on the configurations listed below.

When the Port Mode is "CA"
When the Port Mode is "RA" or "CA/RA"
When the Port Mode is "Initiator"

Copy FC Port Parameters

Select multiple FC ports, and then set and copy the FC port parameters. Refer to "Copying FC Port Parameters" for details.

When the Port Mode is "CA"

Item

Description

Setting values

Port

Select the target port.

The selectable port locations are displayed as options.

For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4

CE#x CM#y CA#z Port#w

For the other models

CM#y CA#z Port#w

x: CE number

y: CM number

z: CA number

w: Port number

Type

The type of the target port is displayed.

8G FC

16G FC

32G FC

SFP Type

The SFP type of the target port is displayed. If an SFP is not installed, "Unmount" is displayed.

SFP+(MMF)

An SFP (8G SFP+) that is installed in an 8 Gbit/s (maximum) FC port.
16G SFP+(SMF)

An SFP (16G LongWave) that is installed in a 16 Gbit/s (maximum) FC port.
16G SFP+(MMF)

An SFP (16G SFP+) that is installed in a 16 Gbit/s (maximum) FC port.
32G SFP+(MMF)

An SFP (32G SFP+) that is installed in a 32 Gbit/s (maximum) FC port.
Unknown

Other than the above SFPs.

Port Mode

The port mode of the target port is displayed.

FC-CA

Connection

Select the connection topology for the target port from the "Fabric" or "FC-AL".

When "FC-AL" is selected, it is necessary to assign a Loop ID to the port.

Fabric

A connection type that enables simultaneous communication among multiple nodes through a Fibre Channel switch.
FC-AL

A connection type that connects multiple nodes in a loop.

Caution

Select "FC-AL" for a direct connection when "Transfer Rate" is "4 Gbit/s" or "8 Gbit/s". Note that there may be cases when "Fabric" must be selected depending on the Fibre Channel card of the connection destination. Refer to "Setting the To-Server Connection Type (Setting the FC Port Parameters)" in "Configuration Guide -Server Connection-" (*1) for details.

Configuration Guide -Server Connection- Fibre Channel/ ETERNUS AF series, ETERNUS DX200F All-Flash Arrays, ETERNUS DX S5/S4/S3 series Hybrid Storage Systems Settings

Select "Fabric" for a direct connection when "Transfer Rate" is "16 Gbit/s" or more. Some destination Fibre Channel cards may require Fibre Channel switches. For details, refer to the Fibre Channel card specifications.

Fabric

FC-AL

Set Loop ID

When the connection type is "FC-AL", select "Manual" or "Automatic" as the specification method for the Loop ID.

"Loop ID" is an identification number of a node in a loop.

Manual

Automatic

Loop ID

Manual

When "Set Loop ID" is "Manual", input the Loop ID.

The Loop ID must have a value that is different from the values of all the ports.

0x0 (Default) - 0x7D

Automatic

When "Set Loop ID" is "Automatic", select "Ascending" or "Descending".

Ascending

Descending

Transfer Rate

Select the transfer rate for the target port. The available transfer rate varies according to the FC type, the SFP type, and the connection topology.

Type	SFP Type	Connection	Transfer Rate
32G FC	32G SFP+(MMF)	Fabric	Auto-negotiation 8 Gbit/s 16 Gbit/s 32 Gbit/s
32G FC	32G SFP+(MMF)	FC-AL	Auto-negotiation 8 Gbit/s
16G FC	16G SFP+(SMF) 16G SFP+(MMF)	Fabric	Auto-negotiation 4 Gbit/s 8 Gbit/s 16 Gbit/s
16G FC	16G SFP+(SMF) 16G SFP+(MMF)	FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s
8G FC	SFP+(MMF)	Fabric FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s
Other	Unknown Unmount	Fabric FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s

Caution

"Auto-negotiation" is selected for the transfer rate when the transfer rate is "16 Gbit/s" or "32 Gbit/s" and the connection type is changed from "Fabric" to "FC-AL".

Auto-negotiation

4 Gbit/s

8 Gbit/s

16 Gbit/s

32 Gbit/s

Frame Size

Select the frame size of the target port.

"Frame Size" specifies the length of the communication information.

512 bytes

1024 bytes

2048 bytes (Default)

Reset Scope

Specify the reset scope of the target port.

Reset scope is the range where the command reset request from the server is performed, when the target port is connected to multiple servers.

I_T_L (I: Initiator, T: Target, L: LUN)

Reset (cancel) the command request from the server that sent the command reset request.
T_L (T: Target, L: LUN)

Reset (cancel) the command request from all of the servers that are connected to the port.

I_T_L

T_L

Release Reservation if Chip is Reset

Select whether to "Enable" or "Disable" the function to release the reserved status of the volume when the target port (chip) is reset.

Enable

Disable

When the Port Mode is "RA" or "CA/RA"

Item

Description

Setting values

Port

Select the target port.

The selectable port locations are displayed as options.

For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4

CE#x CM#y CA#z Port#w

For the other models

CM#y CA#z Port#w

x: CE number

y: CM number

z: CA number

w: Port number

Type

The type of the target port is displayed.

8G FC

16G FC

32G FC

SFP Type

The SFP type of the target port is displayed. If an SFP is not installed, "Unmount" is displayed.

SFP+(MMF)

An SFP (8G SFP+) that is installed in an 8 Gbit/s (maximum) FC port.
16G SFP+(SMF)

An SFP (16G LongWave) that is installed in a 16 Gbit/s (maximum) FC port.
16G SFP+(MMF)

An SFP (16G SFP+) that is installed in a 16 Gbit/s (maximum) FC port.
32G SFP+(MMF)

An SFP (32G SFP+) that is installed in a 32 Gbit/s (maximum) FC port.
Unknown

Other than the above SFPs.

Port Mode

The port mode of the target port is displayed.

FC-RA

FC-CA/RA

Connection

Select the connection topology for the target port from the "Fabric" or "FC-AL".

When "FC-AL" is selected, it is necessary to assign a Loop ID to the port.

Fabric

A connection type that enables simultaneous communication among multiple nodes through a Fibre Channel switch.
FC-AL

A connection type that connects multiple nodes in a loop.

Caution

Configuration Guide -Server Connection- Fibre Channel/ ETERNUS AF series, ETERNUS DX200F All-Flash Arrays, ETERNUS DX S5/S4/S3 series Hybrid Storage Systems Settings

Select "Fabric" for a direct connection when "Transfer Rate" is "16 Gbit/s" or more.

Fabric

FC-AL

Set Loop ID

When the connection type is "FC-AL", select "Manual" or "Automatic" as the specification method for the Loop ID.

"Loop ID" is an identification number of a node in a loop.

Manual

Automatic

Loop ID

Manual

When "Set Loop ID" is "Manual", input the Loop ID.

The Loop ID must have a value that is different from the values of all the ports.

0x0 (Default) - 0x7D

Automatic

When "Set Loop ID" is "Automatic", select "Ascending" or "Descending".

Ascending

Descending

Transfer Rate

Select the transfer rate for the target port. The available transfer rate varies according to the FC type, the SFP type, and the connection topology.

Type	SFP Type	Connection	Transfer Rate
32G FC	32G SFP+(MMF)	Fabric	Auto-negotiation 8 Gbit/s 16 Gbit/s 32 Gbit/s
32G FC	32G SFP+(MMF)	FC-AL	Auto-negotiation 8 Gbit/s
16G FC	16G SFP+(SMF) 16G SFP+(MMF)	Fabric	Auto-negotiation 4 Gbit/s 8 Gbit/s 16 Gbit/s
16G FC	16G SFP+(SMF) 16G SFP+(MMF)	FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s
8G FC	SFP+(MMF)	Fabric FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s
Other	Unknown Unmount	Fabric FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s

Caution

"Auto-negotiation" is selected for the transfer rate when the transfer rate is "16 Gbit/s" or "32 Gbit/s" and the connection type is changed from "Fabric" to "FC-AL".

Auto-negotiation

4 Gbit/s

8 Gbit/s

16 Gbit/s

32 Gbit/s

Frame Size

Select the frame size of the target port.

"Frame Size" specifies the length of the communication information.

512 bytes

1024 bytes

2048 bytes (Default)

Reset Scope

Specify the reset scope of the target port.

Reset scope is the range where the command reset request from the server is performed, when the target port is connected to multiple servers.

This item is displayed only when the port mode is "FC-CA/RA".

I_T_L (I: Initiator, T: Target, L: LUN)

Reset (cancel) the command request from the server that sent the command reset request.
T_L (T: Target, L: LUN)

Reset (cancel) the command request from all of the servers that are connected to the port.

I_T_L

T_L

Release Reservation if Chip is Reset

Select whether to "Enable" or "Disable" the function to release the reserved status of the volume when the target port (chip) is reset.

This item is displayed only when the port mode is "FC-CA/RA".

Enable

Disable

REC Line No.

Select the REC line number of the target port.

The REC line number is used to switch the communication path when a line fails. The REC line number is used to recognize failed lines. Set different REC line numbers for each physical communication path. When lines are in normal status, an REC can be performed regardless of the REC line number (specifying the same REC line numbers is allowed) in the same way as conventional REC operations. Note that no priority applies to REC line numbers.

This item is displayed only when the Advanced Copy license has been registered.

Caution

When a line fails, the communication path is switched according to the REC line number of the copy source storage system. For normal operation, set the same REC line number for the copy source and the copy destination storage systems to recover data.
If the port mode is changed from "CA/RA" or "RA" to the other mode, the REC line number returns to the default value ("0"). When the port mode is changed from "CA/RA" to "RA" or changed from "RA" to "CA/RA", the current REC line number setting is retained. Refer to the [Modify Port Mode] function for details.

0 (Default) - 127

REC Transfer Mode

Select which REC transfer mode is enabled or disabled for the target port.

Sync (synchronous transfer mode)
Async Stack (asynchronous stack mode)
Async Consistency (asynchronous consistency mode)
Async Through (asynchronous through mode)

When "Enable" is selected, an REC is performed in the selected transfer mode for the target port.

When "Disable" is selected, an REC is not performed in the selected transfer mode for the target port.

For example, specify different ports for Consistency and Stack to perform data transfers without any interference. The current setting is retained even when an REC path is changed. When "Enable" is selected for all of the REC transfer modes, a conventional REC is performed.

This item is displayed only when the Advanced Copy license has been registered.

Caution

The REC transfer mode can be changed without suspending a copy session even when an REC is being performed in the target port. The changed settings are applied immediately to the storage system.
If specific REC transfer modes for all the RA ports and the CA/RA ports are disabled, a copy session with a disabled REC transfer mode fails because the REC paths for all the RA ports and the CA/RA ports are regarded as being blocked. When the REC transfer mode for a copy session that is being performed is disabled, this copy session is halted.
When "Async Consistency" is disabled for all the RA ports and the CA/RA ports, the REC buffer status changes to "INACTIVE".
For normal operations, set the same REC transfer mode for the copy source and the copy destination storage systems to recover data. When the REC transfer mode is specified for a copy source storage system, the specified REC transfer mode is performed even if one of the following storage systems is used as a copy destination.
- Older models (ETERNUS S3 series, ETERNUS AF series, or ETERNUS DX8100 S2/DX8700 S2)
- Storage systems without the "REC Transfer Mode" setting
If the port mode is changed from "CA/RA" or "RA" to the other mode, the REC transfer mode returns to the default value ("Enable"). When the port mode is changed from "CA/RA" to "RA" or changed from "RA" to "CA/RA", the current REC transfer mode setting is retained. Refer to the [Modify Port Mode] function for details.

Enable

Disable

When the Port Mode is "Initiator"

Item

Description

Setting values

Port

Select the target port.

The selectable port locations are displayed as options.

For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4

CE#x CM#y CA#z Port#w

For the other models

CM#y CA#z Port#w

x: CE number

y: CM number

z: CA number

w: Port number

Type

The type of the target port is displayed.

8G FC

16G FC

32G FC

SFP Type

The SFP type of the target port is displayed. If an SFP is not installed, "Unmount" is displayed.

SFP+(MMF)

An SFP (8G SFP+) that is installed in an 8 Gbit/s (maximum) FC port.
16G SFP+(SMF)

An SFP (16G LongWave) that is installed in a 16 Gbit/s (maximum) FC port.
16G SFP+(MMF)

An SFP (16G SFP+) that is installed in a 16 Gbit/s (maximum) FC port.
32G SFP+(MMF)

An SFP (32G SFP+) that is installed in a 32 Gbit/s (maximum) FC port.
Unknown

Other than the above SFPs.

Port Mode

The port mode of the target port is displayed.

FC-Initiator

Connection

Select the connection topology for the target port from the "Fabric" or "FC-AL".

When "FC-AL" is selected, it is necessary to assign a Loop ID to the port.

Fabric

A connection type that enables simultaneous communication among multiple nodes through a Fibre Channel switch.
FC-AL

A connection type that connects multiple nodes in a loop.

Caution

Select "FC-AL" for a direct connection when "Transfer Rate" is "4 Gbit/s" or "8 Gbit/s".
Select "Fabric" for a direct connection when "Transfer Rate" is "16 Gbit/s" or more.

Fabric

FC-AL

Set Loop ID

When the connection type is "FC-AL", select "Manual" or "Automatic" as the specification method for the Loop ID.

"Loop ID" is an identification number of a node in a loop.

Manual

Automatic

Loop ID

Manual

When "Set Loop ID" is "Manual", input the Loop ID.

The Loop ID must have a value that is different from the values of all the ports.

0x0 (Default) - 0x7D

Automatic

When "Set Loop ID" is "Automatic", select "Ascending" or "Descending".

Ascending

Descending

Transfer Rate

Select the transfer rate for the target port. The available transfer rate varies according to the FC type, the SFP type, and the connection topology.

Type	SFP Type	Connection	Transfer Rate
32G FC	32G SFP+(MMF)	Fabric	Auto-negotiation 8 Gbit/s 16 Gbit/s 32 Gbit/s
32G FC	32G SFP+(MMF)	FC-AL	Auto-negotiation 8 Gbit/s
16G FC	16G SFP+(SMF) 16G SFP+(MMF)	Fabric	Auto-negotiation 4 Gbit/s 8 Gbit/s 16 Gbit/s
16G FC	16G SFP+(SMF) 16G SFP+(MMF)	FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s
8G FC	SFP+(MMF)	Fabric FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s
Other	Unknown Unmount	Fabric FC-AL	Auto-negotiation 4 Gbit/s 8 Gbit/s

Caution

"Auto-negotiation" is selected for the transfer rate when the transfer rate is "16 Gbit/s" or "32 Gbit/s" and the connection type is changed from "Fabric" to "FC-AL".

Auto-negotiation

4 Gbit/s

8 Gbit/s

16 Gbit/s

32 Gbit/s

Frame Size

Select the frame size of the target port.

"Frame Size" specifies the length of the communication information.

512 bytes

1024 bytes

2048 bytes (Default)

WWN (Port Name)

When the offline storage migration is performed, the storage system (destination device) is regarded as a host connecting to the migration source device. Specify the World Wide Port Name (WWPN) for the host that was connected to the FC-CA port of the migration source device.

The default "WWN (Port Name)" is displayed with parentheses on the right side of the [Default] button. Click the [Default] button to set the default value.

Caution

Specifying the WWPN of the host is only required when the host affinity setting is configured between the host and a migration source FC-CA port.

If LUN mapping is configured for a migration source FC-CA port, the default value does not need to be changed.
If the FC-Initiator port is used for an online storage migration or the Non-disruptive Storage Migration function, the default value does not need to be changed.

WWPN (16-digit hexadecimal)

WWPN of the storage system

WWN (Node Name)

When the offline storage migration is performed, the storage system (destination device) is regarded as a host connecting to the migration source device. Specify the World Wide Node Name (WWNN) for the host that was connected to the FC-CA port of the migration source device.

The default "WWN (Node Name)" is displayed with parentheses on the right side of the [Default] button. Click the [Default] button to set the default value.

Caution

Specifying the WWNN of the host is only required when the host affinity setting is configured between the host and a migration source FC-CA port.

If LUN mapping is configured for a migration source FC-CA port, the default value does not need to be changed.
If the FC-Initiator port is used for an online storage migration or the Non-disruptive Storage Migration function, the default value does not need to be changed.

WWNN (16-digit hexadecimal)

WWNN of the storage system

Copying FC Port Parameters

Specify the FC port parameter for the copy source port and then copy the specified parameters to the target port.

Item	Description	Setting values
Port	Select the copy source port. The selectable port locations are displayed as options.	For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4 CE#x CM#y CA#z Port#w For the other models CM#y CA#z Port#w x: CE number y: CM number z: CA number w: Port number

Item

Description

Setting values

Port

Select the copy source port.

The selectable port locations are displayed as options.

For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4

CE#x CM#y CA#z Port#w

For the other models

CM#y CA#z Port#w

x: CE number

y: CM number

z: CA number

w: Port number

To set items that are not described above, refer to the following items for each port mode.

When the Port Mode is "CA"
When the Port Mode is "RA" or "CA/RA"
When the Port Mode is "Initiator"

[Copy Settings] Screen

Confirm the parameters of the copy source port and select the copy destination ports.

Source

Item		Description
Port		The location information of the copy source port is displayed. For the ETERNUS DX900 S5 or the ETERNUS DX8900 S4 CE#x CM#y CA#z Port#w For the other models CM#y CA#z Port#w x: CE number y: CM number z: CA number w: Port number
Type		The type of the copy source port is displayed. 8G FC 16G FC 32G FC
SFP Type		The SFP type of the target port is displayed. If an SFP is not installed, "Unmount" is displayed. SFP+(SMF) SFP+(MMF) 16G SFP+(SMF) 16G SFP+(MMF) 32G SFP+(MMF) Unknown Unmount
Port Mode		The port mode of the copy source port is displayed. FC-CA FC-CA/RA FC-RA FC-Initiator
Connection		The copy source port information (connection type, the specification method of the Loop ID, the Loop ID, and the detailed specification method of the Loop ID) is displayed. Fabric Connection FC-AL Connection (Loop ID: Automatic (Ascending)) FC-AL Connection (Loop ID: Automatic (Descending)) FC-AL Connection (Loop ID: Manual (xx)) xx: Loop ID (0x0 - 0x7D)
Transfer Rate		The transfer rate of the copy source port is displayed. Auto-negotiation 4 Gbit/s 8 Gbit/s 16 Gbit/s 32 Gbit/s
Frame Size		The frame size of the copy source port is displayed. 512 bytes 1024 bytes 2048 bytes
Reset Scope		The reset scope of the copy source port is displayed. This item is displayed only when the port mode is "FC-CA" or "FC-CA/RA". I_T_L T_L
Release Reservation if Chip is Reset		Whether to release the reservation when a chip reset occurs in the copy source port is displayed. This item is displayed only when the port mode is "FC-CA" or "FC-CA/RA". Enable Disable
REC Line No.		The REC line number (0 to 127) of the copy source port is displayed. This item is displayed only when the Advanced Copy license has been registered and the port mode is "FC-CA/RA" or "FC-RA".
REC Transfer Mode	Sync	The REC transfer mode of the copy source port is displayed. This item is displayed only when the Advanced Copy license has been registered and the port mode is "FC-CA/RA" or "FC-RA". Sync (synchronous transfer mode) Async Stack (asynchronous stack mode) Async Consistency (asynchronous consistency mode) Async Through (asynchronous through mode) Enable Disable
	Async Stack
	Async Consistency
	Async Through
WWN (Port Name)		The World Wide Port Name (WWPN) of the storage system (migration destination storage system) that is connected to the migration source FC-CA port is displayed. This item is displayed only when the port mode is "FC-Initiator".
WWN (Node Name)		The World Wide Node Name (WWNN) of the storage system (migration destination storage system) that is connected to the migration source FC-CA port is displayed. This item is displayed only when the port mode is "FC-Initiator".

Destination

Refer to "Source" for details on any other items that are not described below.

Item	Description
Checkbox to select copy destination port	Select the checkbox of the copy destination port.

Operating Procedures

Setting FC Port Parameters Manually

Select which FC port to set the parameters for (multiple selections can be made) and click [Configure FC Port] in [Action].
Note
- Multiple selections can be made from FC ports that have the same SFP type and port mode. Note that multiple FC ports can also be selected if the SFP types are one of the following combinations.
  - A mix of "16G SFP+(SMF)" and "16G SFP+(MMF)"
  - A mix of "SFP+(SMF)", "SFP+(MMF)", "Unknown", and "Unmount"
- Multiple ports can be set with the same or with different parameters in a single operation. To set parameters to multiple ports, select the target ports and specify the parameters for each port. After the specification is complete, click the [Modify] button.
Set the parameters for all of the selected ports and click the [Modify] button.
→ A confirmation screen appears.
Caution
- If the Loop ID is changed while a server is operating, reboot the server immediately. If the server is operated without being rebooted, a warning message may appear or a system failure may occur.
- If the parameters do not satisfy the input conditions, an error screen appears.
Click the [OK] button.

→ Setting of the FC port parameters starts.
Click the [Done] button to return to the [FC Port] screen.

Copying FC Port Parameters

Select the copy source port of parameters and all the copy destination ports, and click [Configure FC Port] in [Action].
Note
- Multiple selections can be made from FC ports that have the same SFP type and port mode. Note that multiple FC ports can also be selected if the SFP types are one of the following combinations.
  - A mix of "16G SFP+(SMF)" and "16G SFP+(MMF)"
  - A mix of "SFP+(SMF)", "SFP+(MMF)", "Unknown", and "Unmount"
- Setting and copying the FC port parameters can be performed with a single operation.
Set the copy source port parameters and then click the [Copy] button.

→ The [Copy Settings] screen appears.
Select all of the copy destination ports and then click the [Copy] button.

→ Returns to the [Modify FC Port Parameters] screen.
Specify the parameter that is not to be copied and click the [Set] button.
→ A confirmation screen appears.
Caution
- The "parameter that is not to be copied" indicates the "Loop ID" setting for "Set Loop ID (Manual)". When the connection type is "FC-AL" and the Loop ID setting is "Manual", specify the "Loop ID" value after copying of the parameters is complete.
- If the Loop ID is changed while a server is operating, reboot the server immediately. If the server is operated without being rebooted, a warning message may appear or a system failure may occur.
- If the parameters do not satisfy the input conditions, an error screen appears.
Click the [OK] button.

→ Setting of the FC port parameters starts.
Click the [Done] button to return to the [FC Port] screen.