Connect to an ASC Server

You can connect to an existing ASC Server, by right-clicking on it and selecting Connect.

If you want to connect to a server that is not listed, right-click on the ASC Servers object and select Add, enter the name of the server, the root user's ID and password.

When you connect to a server, you may see a dialog box notifying you of new devices attached to the server. Here, you will see all devices that are either unassigned or reserved devices. At this point you can either prepare the device (reserve it for a virtual, direct, or service enabled device) and/or create a logical resource.

If you connect to a server that is part of a failover configuration, you will automatically be connected to both servers.

Note: Multiple administrators can access a server at the same time. Changes to the server's configuration are saved on a first-come, first-served basis.

The ASC Console remembers the ASC Servers to which the Console has successfully connected. If you close and restart the Console, the ASC Servers will still be displayed in the configuration tree but you will not be connected to them.

View information about an ASC Server

When you highlight an ASC Server, the display shows the configuration and status of the server. Configuration information includes the version of the ASC Server software and base operating system, the type and number of processors, amount of physical and swappable memory, supported protocols, and network adapter information.

To set properties for a specific server:

1. Right-click on the server and select Properties.
2. If you have multiple NICs (network interface cards) in your server, enter the IP addresses using the Server IP Addresses tab.

   If the first IP address stops responding, the ASC clients will attempt to communicate with the server using the other IP addresses you have entered in the order they are listed.

   Notes:

   - In order for the clients to successfully use an alternate IP address, your subnet must be set properly so that the subnet itself can redirect traffic to the proper alternate adapter.

   - The client becomes aware of the multiple IP addresses when it initially connects to the server. Therefore, if you add additional IP addresses in the Console while the client is running, you must rescan devices (Windows clients) or restart the client (Linux/Unix clients) to make the client aware of these IP addresses.

3. On the Activity Database Maintenance tab, indicate how often the SAN data should be purged.

   The Activity Log is a database that tracks all system activity, including all data read, data written, number of read commands, write commands, number of errors etc. This information is used to generate SAN information for the ASC reports. To set limits for NAS information, right-click on Windows Clients and select Properties.

4. On the SNMP Maintenance tab, indicate which types of messages should be sent as traps to your SNMP manager.

   Five levels are available:

   · None - (Default) No messages will be sent.

   · Critical - Only critical errors that stop the system from operating properly will be sent.

   · Error - Errors (failure such as a resource is not available or an operation has failed) and critical errors will be sent.

   · Warning - Warnings (something occurred that may require maintenance or corrective action), errors, and critical errors will be sent.

   · Informational - Informational messages, errors, warnings, and critical error messages will be sent.

View information about Physical Resources

When you highlight Physical Resources, the right-hand pane displays the SCSI addresses (comprised of adapter number, channel number, SCSI ID, LUN) of your devices. The SCSI adapters tab displays the adapters attached to this server and the SCSI Devices tab displays the actual SCSI devices attached to this server. These devices can include hard disks, tape drives, device libraries, JBOD and RAID cabinets.

Note that some multi-channel SCSI adapters may appear as multiple adapters. In addition, depending upon how many paths there are to a device, it is possible to see the same device listed multiple times before it is virtualized. Once the device is virtualized, ASC will discover the aliases and will display the device only once.

When you highlight a physical device, the Category field in the right-hand pane describes how the device is being used. Possible values are:

• Reserved for virtual device - A hard disk that has not yet been assigned to a SAN/NAS Resource or Snapshot area.
• Used by virtual device(s) - A hard disk that is being used by one or more SAN/NAS Resources or Snapshot areas.
• Reserved for direct device - A SCSI device, such as a hard disk, tape drive or library, that has not yet been assigned as a SAN Resource.
• Used in direct device - A directly mapped SCSI device, such as a hard disk, tape drive or library, that is being used as a direct device SAN Resource.
• Reserved for service enabled device - A hard disk with existing data that has not yet been assigned to a SAN/NAS Resource.
• Used by service enabled device - A hard disk with existing data that has been assigned to a SAN/NAS Resource.
• Unassigned - A physical resource that has not been reserved yet.
• Not available for ASC - A miscellaneous SCSI device that is not used by ASC (such as a scanner or CD-ROM).
• System disk - A hard disk where system partitions exist and are mounted (i.e. swap file, file system installed, etc.).

To rescan all adapters and search for new devices:

1. Right-click on Physical Resources and select Rescan.

   (Linux only) If you only want to scan a specific adapter, right-click on that adapter and select Rescan.

2. Set the range of SCSI IDs and LUNs that you want to scan.

   For Linux, the Sequential option works in conjunction with the LUN range. You should only use it if all of your devices are numbered sequentially, because scanning will stop once the last sequential device is found. If you do not select Sequential, ASC will continue scanning to the ending LUN number specified.

   For Solaris, the SCSI ID and LUN ranges are determined by the kfsnbase.conf and issg.conf. If you change these files, you must restart ASC. We recommend that you plan ahead and allocate some extra SCSI IDs and LUNs for dynamic expansion and eliminate the unnecessary ones.

3. Determine if you want to discover new devices.

   If you want ASC to discover new devices as well as rescan existing devices, be sure to select the Discover New Devices option. If selected, you should enter a SCSI ID range. It is not needed if you are only rescanning existing devices.

View information about Logical Resources

Logical resources are all of the resources defined on the ASC Server, including SAN Resources, NAS Resources, Replica Resources, and Snapshot Groups.

SAN and NAS logical resources consist of sets of storage blocks from one or more physical hard disk drives. This allows the creation of logical resources that contain a portion of a larger physical disk device or an aggregation of multiple physical disk devices.

Clients do not gain access to physical resources; they only have access to logical resources. This means that an administrator must configure each physical resource to one or more logical resources so that they can be assigned to the clients.

View information about SAN Clients

ASC SAN Clients are the actual file and application servers that utilize the storage resources via the ASC Server.

These SAN Clients access their storage resources via software-emulated virtual adapters (for SAN/IP) or HBAs (for Fibre Channel). The storage resources appear as locally attached devices to the SAN Clients' operating systems (Windows NT, Windows 2000, Linux, Solaris, etc.) even though the SCSI devices are actually located at the ASC Server.

When you highlight a specific SAN client, the right-hand pane displays the Client ID, type, and authentication status, as well as information about the client machine.

Note: From the Console you can add SAN clients so you can start allocating resources to the clients. This is called the authorization process. However, for SAN/IP clients, even when the clients are added, you still need to go to the client host to install the client software and authenticate to the server, using the proper username/password. That establishes the authentication credential for all subsequent operation. Until that is done, the console will show that the client is not authenticated. To authenticate, you must add the server to the client. For Windows clients, you can use the Add Server option in the SAN Client Monitor. For Linux, Solaris, AIX, and HP-UX clients, you can execute ./sanclient monitor from /usr/local/sanclient/bin.

View information about NAS Clients

ASC NAS Clients are the users and groups that access NAS resources via the ASC Server.

There are two types of NAS clients you will see:

• Windows clients - These clients use the Common Internet File System (CIFS) protocol to work together and share documents. Because many operating systems support CIFS, it is possible to have clients using other operating systems listed as Windows clients.
• NFS clients - These clients are usually Unix clients using the Network File System (NFS) protocol.

Set Console options

To set options for the Console:

1. Select Tools --> Console Options.
2. Make any necessary changes.

   Remember password for session - If the Console is already connected to a server, when you attempt to open a second, third, or subsequent server, the Console will use the credentials that were used for the last successful connection. If this option is unchecked, you will be prompted to enter a password for every server you try to open.

   Automatically time out servers after nn minute(s) - The Console will collapse a server that has been idle for the number of minutes you specify. If you need to access the server again, you will have to reconnect to it. The default is 10 minutes.

   Update statistics every nn second(s) - The Console will update statistics by the frequency you specify.

   Automatically refresh the event log every nn second(s) - The Console will update the event log by the frequency you specify, only when you are viewing it.

   Console Log Options - The Console log (ASCconsole.log) is kept on the local machine and stores information about the local version of the Console. The Console log is displayed at the very bottom of the Console screen.

   The options affect how information for each Console session will be maintained:

   Overwrite log file - Overwrite the information from the last Console session when you start a new session.

   Append to log file - Keep all session information.

   Do not write to log file - Do not maintain a Console log.

Licensing

When you first install ASC, you are given a 45-day live trial period. After that period, you must purchase ASC and its options to continue using the product. To license ASC:

1. Obtain your ASC keycode(s) from Acer or its representatives.
2. In the Console, right-click on the server and select License.

   The License Summary window is informational only and displays a list of the options supported for this server. You can enter keycodes for your purchased options on the Keycode Detail window.

3. Press the Add button on the Keycodes Detail window to enter each keycode.

Manage Administrators

Only the root user can add or delete an ASC administrator or change an administrator's password.

1. Right-click on the server and select Administrators.

   There are three types of administrators:

   - ASC Clients are authorized for ASC client authentication only. They do not have Console access. For ASC client authentication, the Administrator Name field must match the host name of the client. For example, if the client's hostname is ABC, the Administrator Name field must be ABC.

   - ASC Administrators are authorized for ASC client authentication and Console access.

   - ASC Read-Only Users are only permitted to view information in the Console. They are not authorized to make changes and they are not authorized for ASC client authentication.

2. Select the appropriate option.

   When you add an administrator, the name must adhere to the naming convention of the operating system running on your ASC Server. Refer to your operating system's documentation for naming restrictions.

   You cannot delete the root user or change the root user's password from this screen. Use the Change Password option below.

Change your administrator password

This option lets you change your own ASC password if you are currently connected to a server.

1. Right-click on the server and select Change Password.
2. Enter your old password, the new one, and then re-enter it to confirm.

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