HP XP128 Operation & User’s Manual

Text of HP XP128 User Guide:

• 74 Volume Management for the XP128/XP1024 b. Select one of methods by clicking Specify capacity and number, Divide free space by number, Divide free space by capacity, or Set remaining space as volume. NOTE: If there are two or more free spaces in the VDEV, only the Specify capacity and number option is available. c. Specify the capacity of the volume and/or the number of volumes accord

• HP XP128, 48 LUN Manager for the XP128/XP1024 2. Select an iSCSI port from the Subsystem Port Name. The IP address of the iSNS server appears in the iSNS Server IP Address. Also, the port number of the iSNS server appears in the iSNS Server Port Number. 3. Click OK. Information about the iSCSI port is removed from the iSNS server, and the iSCSI port is unregistered from the iSNS server. Checking the status of connection between hosts and the disk array (iSCSI environment only) In an iSCSI environment, use LUN Manager to issue a ping command from a disk array port to a host. The ping command checks whether the host and disk array can co

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 85 2. Right-click any part of the Parity Group - LDEV tree and select Volume Initialize. The Volume Initialize pane is displayed. Figure 47 Volume Initialize pane Use this pane to initialize custom volumes other than OPEN-V. The top area is the CV setting information area and shows detailed information about the custom volumes to be initialized. The bottom area is the LDEV number setting area and is used to set the CU and LDEV numbers for the custom volume to be initialized. 3. In the CV setting information area at the top of the pane, select one or more custom volume numbers. 4. In the Select CU No.

• HP XP128, 90 hosts authentication 25, 50 iSCSI status, checking 24 modes 18 mutual authentication 52 pinging in iSCSI environment 48 registering in host groups 34 registering user information 50 storage domains 14 user information, changing 52 user information, deleting 52 HP authorized resellers 11 storage web site 11 Subscriber’s choice web site 11 technical support 10 HP-UX host modes 18 I IBM AIX host modes 18 Install CV function 59, 61, 72 IP addresses, iSCSI ports 23 iSCSI environment connection results 53 connections supported 23 host authentication 25 LU paths copying 41, 42 defining 32 limitations 13 mutual authentication 52 Name table 31 names, changing 38 P

• LUN Configuration and Security Manager XP user guide for the XP128/XP1024 53 2. Right-click any point in the User Information (Port) table and select Specify User Information (Port). The Specify User Information (Host) dialog box appears. Figure 27 Specify User Information (Port) dialog box The following items are entered automatically and cannot be changed. • iSCSI Name of the

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 67 If you select a LUSE volume as the top LDEV, the Volume Count list is unavailable, and step 3 cannot be performed. In this case, select the LDEVs in the Free LDEVs table and click Add. To delete LDEVs, select the LDEVs in the Expanded LDEVs list and click Delete. 3. In the Volume Count list, select the number of LDEVs that should form a LUSE volume. The Expanded LDEVs list displays as many LDEVs as specified in the Volume Count list. For example, if 3 is specified, the Expanded LDEVs list displays three LDEVs. NOTE: You cannot select the LUSE volumes in the Volume C

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 77 NOTE: The CU number of another SLPR is used check box is displayed only when you logged in as a user in the StorageAdmin group with full array access and when there are two or more SLPRs. When the CU number of another SLPR is used check box is selected, you can select the number of an LDEV that does not exist in an SLPR to which the priority group does not belong. When the check box is cleared, you can only select the number of an LDEV in the SLPR to which the parity group belongs. Figure 40 Select an LDEV number The CU:LDEV number in the CV setting information area

• HP XP128, 60 Volume Management for the XP128/XP1024 amount of free space are available in one VDEV. For other RAID levels, a maximum of 256 FVs and a certain amount of space are available. Each VDEV in a parity group has the same configuration, and is assigned the same FVs of the same size and RAID level. VSC functions (Volume to Space, Install CV, Volume Initialize, and Make Volume) are performed on each VDEV. VDEVs are also separated from each other by the boundary limitation. You cannot define a volume across two or more VDEVs beyond the boundaries. Figure 31 Parity group configuration

• LUN Configuration and Security Manager XP user guide for the XP128/XP1024 35 2. If the desired host has never been connected via a cable to another port in the disk array, skip to step 8. 3. In the Port list on the upper right corner of the WWN table (Fibre Channel) or the iSCSI name table (iSCSI environment), select the port to which the desired host is connected. 4. Sele

• HP XP128, 42 LUN Manager for the XP128/XP1024 Copying paths from a Fibre Channel or iSCSI port to a NAS port CAUTION: Before performing the following steps, see ”Restrictions on port operations” on page 55 for important information. 1. Specify the LU paths to copy: a. In the LU Path tree, double-click a Fibre Channel or iSCSI port (the copy source port) and then select a host group. The LU Path table displays LU path information. b. In the table, select one or more LUNs to which volumes are assigned. NOTE: If a volum

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 37 2. In the LU Path table, select one or more LUNs to which LDEVs are assigned (If an LDEV is assigned to a LUN, the columns to the right of the LUN column are not empty). 3. Right-click the selected port and select Release LU Path. A dialog box displays information about the LU paths to be deleted. 4. Click OK. The settings are shown in blue in the LU Path table. 5. Click Apply in the LUN Manager main pane. A confirmation message appears. 6.

• LUN Configuration and Security Manager XP user guide for the XP128/XP1024 9 About this guide This guide provides information about: • ”LUN Manager for the XP128/XP1024” on page 13 •”LU configuration overview” on page 13” •”Supported emulation types” on page 13 •”LU paths” on page 13 •”Configuring LU paths in a Fibre Channel environment” on page

• HP XP128, 34 LUN Manager for the XP128/XP1024 7. In the LUN Manager main pane, click Apply. A confirmation message appears. 8. Click OK. The settings are applied to the disk array. The next step is to register hosts to the appropriate host group. CAUTION: Do not select options other than those listed in Table 10. Registering hosts in host groups NOTE: If you are configuring a NAS environment, skip this section. Before you can set LU paths, you must register hosts in host groups. For example, if HP-UX and Windows hosts are connected to a port, you must

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 15 In Figure 1, the LUs associated with the hg-lnx domain are addressed by numbers 0 to 2. The address number of an LU is referred to as the logical unit number (LUN). When HP StorageWorks Continuous Access XP and other optional features manipulate LUs, they use LUNs to specify the LUs to be manipulated. You can add, change, and delete LU paths when the system is operational. For example, if new disks or server hosts are added to your disk array, you can add

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 45 NOTE: High-speed (2 port) mode is available only if the XP disk array has firmware version 21.06.22 or later installed. The following icons are used to indicate status: Port table The Port table displays information about the ports in the selected CHA packages. The information in this table differs depending on the type of channel adapter package selected in the tree. The table lists the following for Fibre Channel CHA packages: • Port Name: Displays port names • Type: Fibre indicates a Fibre Channel port, used for connecting open system hosts. MF-Serial indicates an ESCON ® port, use

• LUN Configuration and Security Manager XP user guide for the XP128/XP1024 39 \ Figure 21 Change iSCSI Name & Nickname dialog box If the selected WWN or iSCSI name is not registered in a host group, Figure 20 or Figure 21 is not displayed. 3. Enter the WWN or iSCSI appropriate box, or select it from the list. 4. In the Nickname box, enter the new nickname.

• HP XP128, 44 LUN Manager for the XP128/XP1024 NOTE: If the shortcut menu includes the item Command Device: ON->OFF, the logical device is already specified as a command device and you do not need to complete this procedure. 3. Click Yes. The changes are shown in blue. 4. Click Apply in the LUN Manager main pane. A confirmation message appears. 5. Click OK. The settings are applied to the disk array. Stopping the use of an LU as a command device Right-click the command device and select Command Device: ON->OFF. Applying command device security Right-click the command device and select Cmd. Dev. Security: OFF->ON. Removing command device security Right-c

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 83 NOTE: The CU number of another SLPR is used check box is displayed only when you logged in as a user in the StorageAdmin group with full array access and when there are two or more SLPRs. When the CU number of another SLPR is used check box is selected, you can select the number of an LDEV that does not exist in an SLPR to which the parity group does not belong. When the check box is cleared, you can only select the number of an LDEV in an SLPR to which the parity group belongs. Figure 46 Select an LDEV number The CU:LDEV number in the CV setting information area is updated. NOTE: If you specify

• HP XP128, 66 Volume Management for the XP128/XP1024 • PG: A combination of the disk group and the parity group. If the LDEV extends over two or more parity groups, the PG column displays the smaller parity group number. A parity group number that starts with a letter E indicates that the parity group consists of one or more external LUs (for example, E1-1). • CLPR: The cache logical partition (CLPR) number and name. The CLPR number consists of two digits. The CLPR name consists of up to six characters. For detailed information about CLPRs, see the HP StorageWorks XP Disk/Cache Partition User Guide. • Selected LDEVs: The number of LDEVs select

• HP XP128, 4 Changing or viewing LU path settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Deleting LU paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Changing the name and host mode of a host group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Deleting host groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Initializing the host group 0

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 5 LUSE rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 LUSE operations that handle a path-defined LDEV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Volume Size Configuration (VSC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 VSC operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 Parity group configuration. . . . . . . . . .

• HP XP128, 26 LUN Manager for the XP128/XP1024 Each case in Figure 8 is explained below. • When connecting via a port that performs host authentication: • If the user information of the host is registered on the port and host authentication is enabled (Case A): The port authenticates the user information sent from the host. If the host authentication is successful, then: If the host is configured for mutual authentication, processing continues with port authentication. If the host is not configured for port authentication using CHAP, the authentication fails and the host cannot connect to the disk array. If the host is not configured for mutual authentication, the host connects to the disk

• HP XP128, 56 LUN Manager for the XP128/XP1024 Changing PCB mode With active I/O on LUN Not permitted With no active I/O on LUN Permitted Changing host mode With active I/O on LUN Not permitted With no active I/O on LUN Permitted Table 16 Port operation restrictions (continued) Activity

• HP XP128, 28 LUN Manager for the XP128/XP1024 For more information about port authentication settings, see ”Specifying user information of ports (when performing mutual authentication)” on page 52. For details on how to configure a host, refer to your operating system and iSCSI driver documentation. LUN Manager operations This section includes procedures for performing the most common LUN Manager operations. Starting LUN Manager 1. Click LUN Manager in the left pane. The LUN Manager pane appears. S Figure 10 LUN Manager main pane

• HP XP128, LUN Configuration and Security Manager XP user guide for the XP128/XP1024 11 • Product model names and numbers • Applicable error messages • Operating system type and revision level • Detailed, specific questions For continuous quality improvement, calls may be recorded or monitored. HP strongly recommends that customers sign-up online using the Subscriber’s choice web site at http://www.hp.com/go/e-updates . • Subscribing to this service provides you with email updates on the latest product enhancem

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