Hp XP7 Storage Manual do Utilizador Página 1

HP XP7 for Compatible Parallel AccessVolumes User GuideAbstractThis document describes and provides instructions for performing Parallel Access Volume

Functions incompatible with Parallel Access VolumesDevices using PAV can coexist in the same storage system but cannot be used concurrently withthe fo

3 Defining devicesThis topic contains information on selecting base and alias device ratios and procedures on howto use the hardware configuration def

3. On the Define, Modify or View Configuration Data screen, select option 4.4. On the Control Unit List screen, press F11 on the keyboard.HP Confident

5. On the Add Control Unit screen, enter the following information:• Control unit number• Control unit type - 2107• Switch connection informationPress

7. Select option 2 and then press Enter on your keyboard.The next Select Processor / Control Unit screen opens.8. Enter the following information:• ch

3. On the Define, Modify, or View Configuration Data screen, select I/O devices (option 5) asthe type of object you want to define.4. On the I/O Devic

5. On the Add Device screen, complete the following information, and then press Enter on yourkeyboard:• For Device number, type the device number.• Fo

• For STADET, select Yes or No.Default: Yes• For Explicit device candidate list, select Yes or No.Default: No8. On the Define Device to Operating Syst

10. On the Define Device Parameters / Features screen, complete the following values, and thenpress ______________ on your keyboard:• For DYNAMIC, typ

3. On the Define, Modify, or View Configuration Data screen, select option 5.This figure shows device 8101 is selected.4. On the I/O Device List scree

© Copyright 2014 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or copyin

6. On the View Device Definition screen, review the information for accuracy and then pressEnter on your keyboard.7. On the View Device / Processor De

9. On the View Device / OS Configuration Definitions screen, select the operating system forwhich you want to view more details and press Enter on you

4 Preparing for Parallel Access Volumes operationsThis topic describes the operations you must complete to prepare PAV to use with your RemoteWeb Cons

4. On the Service Coefficient/Service Definition Options screen, complete the following:• For Dynamic alias management, choose the mode.Values:- Yes:

Enabling Hyper Parallel Access Volumes from z/OS on z/VMTo enable HPAV from the z/OS on z/VM, HPAV must be enabled on the z/VM and on the z/OS.1. Run

5 Performing Parallel Access Volumes operationsThis topic describes performing PAV operations on the Remote Web Console storage system usingthe GUI.Ab

4. From the CU list, select the CU image which contains the desired base volumes.Base volumes are displayed in Base Volume List.No volumes are display

Related topics:• (page 47).Deleting alias volumes from base volumesAlias volumes may be deleted from base volumes using the Parallel Access Volumes wi

6. Select one or more alias volumes to remove in the Alias Volume List. Press Ctrl and click toselect multiple alias volumes, Press Shift and click to

• For Base Volume List, select the base volume(s). Alias volumes for each selected basevolume(s) appear in the Alias Volume List.• For Alias Volume Li

Contents1 Overview...5About Parallel Access Volumes...

6 Verifying and monitoring devicesThis topic describes the procedures for verifying base and alias devices on the system, and thesyntax and descriptio

1. Run the MVS DEVSERV QPAV command, using the following syntax:DS QPAV,device_unit_ID,VOLUMEInformation about the base device and corresponding alias

1. For each CHP ID connected to the storage system, run the following command:MVS Display MatrixUsing the following syntax:D M=CHP(CHP_ID)The followin

4. If you are using Data Exchange on the host computer, run the following commands:VCross_OS_File_Exchange_Volume_1-Cross_OS_File_Exchange_Volume_2,OF

c. Run the following command from z/OS to all base devices in the corresponding CU.V base_device_number1 - base_device_number2,ONLINEd. Run the follow

DS P,device_unit_IDThe following figure shows a sample output of this command.DEVSERV QPAV commandsYou can use the MVS DEVSERV QPAV commands to comple

Showing the SSID statusUse the following task to show the SSID status.Run this command using the following syntax:DS QP,SSID=device_unit_IDThe followi

Showing the host and subsystem configuration statusUse this task to show the status of the host and subsystem configuration.Run the command using the

D IOS,HYPERPAVThe following figure shows a sample output of this command.GTF I/O tracingPAV is compatible with GTF I/O tracing. When a device number i

NOTE: You can only run the QUERY CU on the operating system that the host computer directlyuses. Attempting to run this command on the z/VM that is op

MVS commands to monitor Parallel Access Volumes...34DISPLAY command...

QUERY VIRTUAL DASD DETAILS commandUse the QUERY VIRTUAL DASD DETAILS command to show information about all DASDs thatz/VM can access.Run this command

7 TroubleshootingThis topic provides PAV troubleshooting information.General troubleshootingFor more information about troubleshooting using Remote We

8 Support and other resourcesContacting HPFor worldwide technical support information, see the HP support website:http://www.hp.com/supportBefore cont

HP websitesFor additional information, see the following HP websites:• http://www.hp.com• http://www.hp.com/go/storage• http://www.hp.com/service_loca

Table 1 Document conventions (continued)ElementConventionMonospace text• File and directory names• System output• Code• Commands, their arguments, an

A Disabling Hyper Parallel Access VolumesThis topic describes the procedures for disabling HPAV on the storage system.Disabling Hyper Parallel Access

Prerequisites• All alias devices must be deletedFor more information about deleting alias devices from bases devices, see (page 27).• You must have pe

B Parallel Access Volumes GUI referenceThis topic describes the items and options available in the Assign Alias Volumes window.Parallel Access Volumes

DescriptionItemApplies the settings to the storage system.Apply buttonDiscards any changes and restores the initial settings.Cancel buttonBase Volume

Free Volume ListThe Free Volume List displays the LDEV IDs of unused volumes in the selected CU. Any free volumecan be used as a Parallel Access Volum

1 OverviewThis topic provides an overview of Parallel Access Volumes (PAV).About Parallel Access VolumesThe Parallel Access Volumes (PAV) feature enab

Glossaryallocation The ratio of allocated storage capacity versus total capacity as a percentage. Allocated storagerefers to those logical devices (LD

to be associated with 1 to 36 LDEVs. Essentially, LUSE makes it possible for applications to accessa single large pool of storage.M-VOL Main volume.MC

IndexAalias devicedefinition, 5assigning aliases to base devices, 25Bbase devicedefinition, 5Base Volume List, 47base-to-alias device ratio, 11Ccompat

LDKC list, 47Used Capacity, 47WLMPAV parameter, 6, 7Workload Manager (WLM)compatibility mode, 7goal mode, 6overview, 7HP Confidential 53

If you are operating the HP XP7 Storage system in I-2107 control unit emulation, you can use oneof the following modes:• Goal PAV modeFor more informa

Compatibility modeIn compatibility mode, the number of alias devices assigned to each PAV base device remains thesame, even when the number of I/O req

I/O request workflow using Parallel Access VolumesMultiple alias devices are assigned to a base device in a CU to enable the base device to handlemult

2 Requirements and specificationsThis topic contains requirements and specifications.RequirementsThe following table lists the requirements for PAV an