Modify iSCSI Host

Overview

This function changes the iSCSI host information. The following host information can be changed.

  • Name

  • iSCSI name

  • IP version

  • IP address

  • Alias name

  • CHAP User ID

  • CHAP Password

  • Host response allocation (only for iSCSI hosts that are not registered in a host group)

Caution

  • When no iSCSI hosts are registered, this function cannot be used.

  • When changing the information or the host response of an iSCSI host that is currently being used, make sure to stop access to that iSCSI host. The server must be rebooted after the host response is changed.

Note

  • When the iSCSI host is registered in a host group, use the [Modify Host Group] function to change the host response. Refer to the [Modify Host Group (iSCSI)] function for details.

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

iSCSI Host Setting

In this screen, change the iSCSI host information.

Item Description Setting values

Name

Specify a new iSCSI host name.

An existing host name cannot be used. (Host names cannot overlap with any other host names, irrespective of the interface types.)

Up to 16 alphanumeric characters,

symbols (except "," (comma) and "?"),

and spaces

iSCSI Name

Specify an iSCSI name of the iSCSI host.

An iSCSI name that has already been registered in the storage system cannot be used.

iSCSI Name

4 - 223 alphanumeric characters

and symbols "-" (hyphen), "." (period), and ":" (colon)

The name starts with "iqn." or "eui.".

Host Response

Select a new host response that is to be assigned to the iSCSI host.

A list of host responses that are created in the storage system is displayed.

This item is available only when an iSCSI host is not registered in the host group.

Caution

  • Before changing a host response, check the LUN set state. If LUNs that are LUN#256 or higher are used, the referable LUN setting cannot be changed to a "256 LUN" host response. Refer to "Host Response and Referable Number of LUNs" for details.

Default

Solaris MPxIO

HP-UX

AIX

AIX VxVM

VS850/SVC

BS2000

Host responses registered in the storage system

IP Version

Select the IP version of the iSCSI host.

IPv4

IPv6

IP Address

Specify the IP address of the iSCSI host.

There are two methods to specify an IP address; "IPv4" and "IPv6". The IP address must be specified with the selected IP version (IPv4 or IPv6). The following IPv6 addresses can be used; "link local address", "global address", "unique local address", or "6to4 address". Refer to "Available IPv6 Address" for details. When the current setting is displayed, the IPv6 address is displayed as an abbreviation.

It is not necessary to specify this item if IP address is not used.

For IPv4 address

xxx.xxx.xxx.xxx

xxx: 1 - 255 for the top field (decimal)

xxx: 0 - 255 for other fields (decimal)

For IPv6 address

xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx

xxxx: 0 - ffff (FFFF) (hexadecimal, alphanumeric characters)

Refer to "IPv6 Address Notation" for details.

Alias Name

Specify the Alias name of the iSCSI host.

It is not necessary to specify this item if Alias name is not used.

An existing Alias name cannot be specified.

Alias name

Up to 31 alphanumeric characters,

symbols (except "," (comma) and "?"),

and spaces

CHAP User ID

Specify the user ID for the CHAP Authentication.

It is not necessary to specify this item if the CHAP Authentication is not used.

Configure a user ID and a password as a pair.

User ID

Up to 255 alphanumeric characters,

symbols (except "," (comma) and "?"),

and spaces

Change CHAP Password

To change the CHAP Authentication password, select the checkbox.

Only when the "CHAP User ID" is registered, the field is available.

Checkbox

Selected

Cleared

CHAP Password

Specify the password for the CHAP Authentication.

It is not necessary to specify this item if the CHAP Authentication is not used.

Configure a user ID and a password as a pair.

Only when the "Change CHAP Password" checkbox is selected, the field is available.

Password

12 - 100 alphanumeric characters,

symbols (except "," (comma) and "?"),

and spaces

Confirm CHAP Password

Input the CHAP password again for confirmation.

Only when the "Change CHAP Password" checkbox is selected, the field is available.

Password

12 - 100 alphanumeric characters,

symbols (except "," (comma) and "?"),

and spaces

Operating Procedures

In this screen, change the iSCSI host information.

  1. Select the iSCSI host to changed the host information for, and click [Modify iSCSI Host] in [Action].

  2. Input new iSCSI host information and click the [Modify] button.

    → A confirmation screen appears.

    Caution
    • An error screen appears in the following conditions:

      • The "Name" is not entered

      • The "Name" does not satisfy the input conditions

      • The "Name" already exists

      • The "iSCSI Name" is not entered

      • The "iSCSI Name" does not satisfy the input conditions

      • The "IP Address" does not satisfy the input conditions

      • An iSCSI host with the same "IP Address", "iSCSI Name", and "IP Version" is already configured

      • An iSCSI host with the same "iSCSI Name" and "IP Version" but without the "IP Address" setting is already configured

      • The "Alias Name" does not satisfy the input conditions

      • The "Alias Name" overlaps the existing Alias name

      • The "CHAP User ID" does not satisfy the input conditions

      • The "CHAP Password" does not satisfy the input conditions

      • The "Confirm CHAP Password" does not satisfy the input conditions

      • Either of the "CHAP User ID" or the "CHAP Password" has been specified

      • The "CHAP Password" and the "Confirm CHAP Password" do not match

      • There are some LUNs that cannot be referenced from the iSCSI host because the "Host Response" setting has been changed (only for iSCSI hosts that are not registered in a host group)

  3. Click the [OK] button.

    → Changing of the iSCSI host information starts.

  4. Click the [Done] button to return to the [iSCSI Host] screen.