HP J3278B - SureStore CD-ROM Server/Tower 7 NAS... Istruzioni per l'installazione e il funzionamento

Addendum: HP SureStore HD Server 4000 1

Addendum: HP SureStore HD Server 4000

Note ❏This second edition of the Addendum supercedes the first

edition and supplements the other documentation distributed

with your HP SureStore HD Server 4000.

New Firmware Enhances Support of

NT Groups

NT User Level

Security You can create groups on the HD server that mirror your groups on

the NT domain. You need not create duplicate users. You need to

configure only the groups and shares, not the users and passwords,

on the HD server.

User-level security as described here is recommended for networks

based on Windows NT Server. (Share-level security is the

alternative recommended for Windows workgroup-based networks

without a domain controller.)

What you will configure. If you are using an NT domain

controller and NT user-level security, you configure the HD server

to automatically register and authenticate the users that are

already defined on the domain controller. You configure the groups,

any additional shares, and the groups’ access permissions for each

share, on the HD server.

2 Addendum: HP SureStore HD Server 4000

What happens. When a client user maps a drive to a share on the

HD server (or selects it from Network Neighborhood), the

HD server checks the NT domain controller (also known as the

DC or PDC or authentication server) for the user’s account. If it is

found, the user is authenticated. Then the global groups in which

that user appears on the domain controller are passed back to the

HD server. If any of the group names match groups already

configured on the HD server, the user is allowed access to a share

for which the group has permissions.

The user name is added to the list of users on the HD server and to

the groups that match. Pass-through authentication (that is,

checking the password configured on the domain controller) is

enabled for that user. The user’s group memberships are added, or

if the user was previously added, any group membership changes

are updated.

What Happens The following illustration portrays the basic process.

Note Limitations for Multiple Domains

•Trusted domains do not work for group relationships. Thus,

users cannot be automatically added or updated in groups from

trusted domains.

•Only global NT groups, not local groups, are supported.

•Global groups defined on a domain contain users only from

within the authentication domain.

•Local groups defined on a domain contain users from within

the domain and may contain other global groups from

within the domain and from trusted domains.

Addendum: HP SureStore HD Server 4000 3

Setup Tasks for Automatically Adding Users

This information about using the Windows security in the updated

firmware amends the documentation found in “Set Up Shares” and

“Set Up Users and Groups”, in chapter 4 of the User’s Guide.

What is Configured The following illustration shows what is configured on each device.

On the authentication server (commonly called the domain

controller or PDC) for the domain containing the user accounts:

•In the User Manager for Domains application, set up the users

and global groups that you will permit to access the HD server,

if they are not already there. You will need to enter the group

names identically on the HD server. Passwords are maintained

here in User Manager.

•In the Server Manager for Domains application, add the

HD server to the domain. It will appear as an NT 4.2 server.

On the HD server in HD Server Admin:

•Set the Security Model to User Level (as it is by default) on the

Security







Microsoft Networking page.

•Enter the name and IP address of the Windows NT domain

controller (authentication server) for Passthrough

Authentication on the Configuration







Network







Microsoft Networking page. When you first add the name and

address, the parameters Automatically add users to user list

and Update user membership in groups automatically are

switched on automatically (the boxes are checked).

However, if you have upgraded to this new firmware and had

previously set Passthrough Authentication (the name and

address are filled in), then you must check the boxes yourself.

4 Addendum: HP SureStore HD Server 4000

When Update user membership in groups automatically is on,

the authentication can operate as described above. Switching

off this setting enables the user to be added to the user list but

does not add the user to groups, which disables automatically

granting access based on groups.

•Set up the groups that will have access to shares on the

HD server using [Create] or [Edit] on the

Configuration







Users & Groups page. These groups must be

defined with identical names on the domain controller. Only

global and not local groups can be used on the HD server (see

page 2).

You need not configure the Users in the groups or

Passthrough Authentication on the User page. These are

automatically configured for you when you set up the

Configuration







Network







Microsoft Networking page as

described on page 3.

Groups will also be updated each time the user again maps a

drive to the share or selects it from Network Neighborhood

(unless Update user membership in groups automatically is

disabled).

•Set up any file shares in addition to, or in place of, the default

“pub” share, using the [Add] button on the

Configuration







File Shares page.

•For each of the file shares, including “pub”, specify the groups

allowed access to the share and their access rights, using the

[Permissions] button on the Configuration







File Shares page.

Remove the default group “Everyone” from the share to

maintain your NT user security.

Note Other Limitations

❏A limit of 100 user names and 50 groups can be defined on the

HP SureStore HD Server 4000.

❏The password that authenticates passthrough users (which is

maintained on the domain controller) cannot be changed using

the Security







Change User Password page in HD Server

Admin. That page can be used only to change passwords that

are specifically configured on the HD server (on page 5 see

“You can set up and maintain the Users and Passwords...”).

Addendum: HP SureStore HD Server 4000 5

User-Level Alternatives to Automatically Adding Users

Note ❏Share-level security is the alternative recommended for

Windows workgroup-based networks without a domain

controller. Use HD Server Admin’s Security







Microsoft Networking page to change to Share Level, and then

set Permissions appropriately. (See “Set Up Shares” in the

User’s Guide.)

Passthrough Authentication. For user-level security in

networks based on Windows NT Server, you can use the

passthrough authentication feature without automatically adding

the users. Each of your two alternatives for this require additional

configuration, as follows:

•You can set up and maintain the Users on the HD server with

identical names as on the domain controller and set

Passthrough Authentication, so that the passwords are

authenticated only on the domain controller. You also must

perform all the tasks listed described above for automatically

adding users, except that Automatically add users to user list

should be switched off.

•You can set up and maintain the Users and the Passwords on

the HD server without association with any other

authentication on the domain.

Additionally, users can change their own passwords once the

administrator has configured them on the HD server. They

access HD Server Admin without the administrator login (and

are limited to the password, Identity, and Support pages), as

follows.

a. In the web browser, type the server’s IP address in the URL.

b. On the server’s web page, click the Security tab.

c. Use the resulting Security







Change User Password page to

change the password.

d. As long as the Change User button remains selected and you

do not click on the Web UI or Microsoft Networking button,

you will not be prompted for the Administrator password.

Default User Level Security. If you do not change any defaults

in HD Server Admin as described on page 3 to page 4, then user-

level security is the default and shares are initially configured for

access by the default NT group “Everyone”. This gives full access to

all users who connect. No password is required for access, nor is

Connect As required in NT. This includes the default share “pub”

and new shares you create.

6 Addendum: HP SureStore HD Server 4000

Changes and Notes

Restoring from

Backups using

Tape Catalog

You can use the catalog to find the files for a Selective Restore.

However, if Western European language users have saved and

backed up files with path or file names containing extended (8-bit)

characters—such as é (e-acute) and ü (u-umlaut)—those characters

do not appear correctly in ordinary Windows applications used to

display the tape catalog.

Note ❏Filenames using the English alphabet in the normal 7-bit range

are not affected by the problem described in this note.

Two methods are used to specify files on Restore File Select page:

a. Typing the file path and name in the Selected Files box:

Typing the names as most Windows applications display

them—with false characters substituted for the extended

characters—specifies them incorrectly. Instead, you must

specify the actual 8-bit characters. Because you cannot see

the actual characters, use method b and the application

described following it.

b. Using “copy and paste” per the User’s Guide, chapter 9:

When the characters are incorrectly displayed, using a

normal “copy and paste” specifies them incorrectly. Instead,

copy the file specification using the following application.

Application to Correctly Copy Files from Tape Catalog

1. Start the Command Prompt window.

2. Change the default drive to the drive mapped to the HD server.

3. Specify the “edit” command with the name of the tape catalog file.

4. Scroll to the files you wish to specify.

5. Right-click on the title bar of the Command Prompt window.

Select the Edit







Mark command.

❏Do not use the Edit commands on the tool bar or [CTRL] [INS].

6. Holddowntheleftmousebuttonanddragaboxaroundallthefiles

needed. Release the left mouse button. Press [ENTER]. The

selected text is copied to the Clipboard. File







Exit.

7. Do the “exit” command to close the Command Prompt window.

8. Edit







Paste the selection into the Selected Files box.

The extended characters will be specified correctly.

Addendum: HP SureStore HD Server 4000 7

Checking Disks

and File System Check the volume’s disks and parity integrity in the Volume C view

on the Configuration







Disk Setup page. (1) Click the volume and

(2) click the [Check Volume] button. (See the User’s Guide,

chapter 11, “Check Status in HD Server Admin”.) The process

corrects parity errors. Also, in the unlikely event that read errors

are found, disk failure will be reported. Spares are not included in

this check.

❏For preventive maintenance to correct parity errors, HP

recommends that this check be performed once a week.

❏This process may take some time, depending on the number and

size of disk drives, and it may slightly slow service to clients,

depending on the number connected.

If a disk drive is failed (due to a read error found), it is removed

from service and the volume status is Degraded (red). In this case,

again examine the Disk Setup page to determine which disk drive

failed, replace that disk drive module (see the User’s Guide,

chapter 11, “Replace Disk Drive Module”), and add it to the volume.

To check the file system for errors, shut down and restart the

server. The integrity of the file system is checked at every restart.

If this check fails, you are notified of the following alert on the

control panel, and you should restore the file system (see the

User’s Guide, chapter 11, “Disaster: Lost or Damaged File System”).

Unable to Mount File System

Caution on

Operating

HD Server Admin

To navigate between pages in HD Server Admin use only the

buttons provided on the server web pages, such as [Next>] and

[Cancel]. Do not use your web browser’s buttons for back, forward,

or refresh or reload. The information on those pages is expired and

cannot be displayed. (See the User’s Guide, chapter 4, “Operating

Features of HD Server Admin”.)

Exception: It is OK to use your browser’s Refresh/Reload button

when specifically prompted by HD Server Admin, as may be

sometimes needed for restart.

8 Addendum: HP SureStore HD Server 4000

Restarting after

Configuration

Changes is

More Convenient

After making a configuration change that requires a restart to take

effect, you no longer must go to a different web page to restart.

After you [Apply] one of those changes, you will be prompted to

choose whether to restart immediately. Your other choices are to

wait until all changes are complete and then either restart on the

page with the last change, or use the separate Configuration







Shutdown/Restart page.

Note that the User’s Guide in chapter 4 mentions only the choice of

using the Configuration







Shutdown/Restart page.

Default

Security Model:

User Level

The default setting for Security Model on the Security







Microsoft

Networking page is now User Level, not Share Level as described in

the User’s Guide. This setting provides the same initial

functionality as before for shares. All users are members of a

default group “EVERYONE”, with full access to the default share

“pub”. No password is required for access, nor is Connect As

required in NT.

See “Set Up Shares” in chapter 4 in the User’s Guide. To add or

change users and groups, you need not first use the Security







Microsoft Networking page to change the Security Model from the

default Share Level to User Level and restart the server. Now you

can go directly to the Configuration







Users and Groups page to

specify them. (See “Set Up Users and Groups” in the User’s Guide.)

So that rights are reserved only for the users you added, use the

page Configuration







File Shares, select the “pub” share, and

remove the group “EVERYONE” from the members list, disabling

public access. (See “File Shares” in the User’s Guide.) Note that the

Windows 95/98 user must log in with same user name.

To use Share Level security, use HD Server Admin’s Security







Microsoft Networking page to change to Share Level, and then set

Permissions appropriately. (See “Set Up Shares” in User’s Guide.)

Addendum: HP SureStore HD Server 4000 9

Users Can

Change Their

Own Passwords

Once the Administrator has configured the User Password for

Users set up with User Level security, the client user is able to

change his own password, without knowing the Administrator

password for the HD Server. (If Passthrough Authentication is

used, the password cannot be changed here but must be changed on

the authentication server.)

Clients can be directed to do this using the following steps:

1. In the web browser, type the server’s IP address in the URL.

2. On the server’s web page, click the Security tab.

3. Use the resulting Security







Change User Password page to

change the password.

As long as the Change User button remains selected and you do

not click on the Web UI or Microsoft Networking button, you

will not be prompted for the Administrator password.

Note ❏Client users also have access to the Identity and Support pages

in the same way.

Default

“SetCommunity

Name”

In the “Reset Defaults” table in chapter 6 of the User’s Guide,

the default setting for SetCommunity Name is shown as “Private”.

The default is both “Public” and “Private”. This allows HP TopTools

to set trap destination entries correctly.

10 Addendum: HP SureStore HD Server 4000

Hardware Changes and Notes

9-pin “Serial”

Connector for

Future Use Only

The 9-pin connector labeled “Serial” on the rear of the server has no

function at this time. Do not attach anything to it. It is illustrated

in the “Rear View of HD Server” in chapter 2 in the User’s Guide.

Specifications for

HP 9.1-GB SCSI-2

Disk Drive

Module

Corrections for appendix C in the User’s Guide:

Class A for

HP J3291A and

DAT40i Tape Drive

Corrections for appendix C and D are shown in this section.

HP J3291A SureStore HD Server 4000, containing the

HP C5686A SureStore DAT40i DDS-4 internal tape drive,

has some different regulatory specifications—Class A—as shown in

this section.

The other models HP J3290A, J3292A, and J3293A

SureStore HD Server 4000 continue to have the same Class B

regulatory compliance described in the User’s Guide. (See their

Declaration of Conformity on page 14 below.)

Note ❏When you install the HP C5686S SureStore DAT40i DDS-4

Tape Drive into t he other models, the server will then comply

with Class A regulations as shown below.

Electromagnetic Specifications

CISPR 22 Class A

FCC Part 15, Class A

EN 55022 Class-A

EN 55024

Canadian EMC Class A requirements

Latency Average 4.17 millisecond

Power Consumption Average 12.8 W

Current Average 0.47 A @ 5 V

0.87 A @ 12 V

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