HP-UX vPars and Integrity VM V6.3 Administrator Guide
6 Storage devices........................................................................................63
6.1 Storage goals...................................................................................................................63
6.1.1 Storage utilization.......................................................................................................63
6.1.2 Storage availability....................................................................................................63
6.1.3 Storage performance..................................................................................................63
6.1.4 Storage security.........................................................................................................63
6.1.5 Storage configurability................................................................................................64
6.2 Storage architectures.........................................................................................................64
6.2.1 Shared I/O...............................................................................................................64
6.2.2 Attached I/O...........................................................................................................64
6.2.3 NPIV devices............................................................................................................65
6.3 vPar and VM guest storage implementations.........................................................................65
6.3.1 vPar and VM guest storage adapters............................................................................65
6.3.2 vPar and VM guest storage devices.............................................................................65
6.3.2.1 Virtual devices...................................................................................................65
6.3.2.2 Attached devices...............................................................................................66
6.3.2.3 NPIV devices.....................................................................................................66
6.4 Configuring vPar and VM guest storage...............................................................................66
6.4.1 Storage considerations...............................................................................................66
6.4.1.1 Storage supportability.........................................................................................66
6.4.1.2 Storage performance..........................................................................................67
6.4.1.3 Storage multipath solutions..................................................................................69
6.4.1.4 Storage management..........................................................................................69
6.4.1.5 Storage changes................................................................................................73
6.4.1.6 PCI OLRAD operations on Storage IO card with active vPars or VM guests.................73
6.4.1.7 Dynamic addition of storage adapters...................................................................74
6.4.1.8 Notifying guest OS of changes in guest storage configuration..................................74
6.4.1.9 Virtual storage setup time ...................................................................................74
6.4.1.10 Sample script for adding multiple devices at once..................................................75
6.4.2 Setting up virtual storage...........................................................................................75
6.4.2.1 Storage specification..........................................................................................75
6.4.2.2 VSP storage specification....................................................................................76
6.4.2.3 Storage resource statements................................................................................77
6.4.2.3.1 Virtual Disks...............................................................................................77
6.4.2.3.2 Virtual LvDisks...........................................................................................79
6.4.2.3.3 Virtual FileDisks.........................................................................................81
6.4.2.3.4 Virtual DVDs.............................................................................................81
6.4.2.3.5 Virtual FileDVDs.........................................................................................83
6.4.2.3.6 Virtual NullDVDs........................................................................................84
6.4.2.3.7 Attachable devices.....................................................................................85
6.4.2.4 Attached device support.....................................................................................86
6.4.2.4.1 Finding the lunpath hardware path...............................................................86
6.4.2.4.2 Sharing an attached device........................................................................86
6.4.2.4.3 Patch dependency......................................................................................88
6.4.2.5 NFS-Mounted backing stores...............................................................................89
6.4.2.6 Mapping AVIO storage devices on HP-UX guests...................................................90
6.5 Using vPars and Integrity VM storage..................................................................................92
6.5.1 Storage roles.............................................................................................................92
6.5.1.1 VSP administrator................................................................................................92
6.5.1.2 Guest administrator............................................................................................92
6.5.1.3 Guest user.........................................................................................................94
6.5.2 Managing storage....................................................................................................94
6.5.2.1 Adding virtual storage devices.............................................................................94
6.5.2.2 Deleting storage devices.....................................................................................95
Contents 5