HP Integrity Virtual Machines 4.2.5: Release Notes

7.2.3 Known Limitation on OpenVMS Guests and HP-UX Guests Sharing the same vswitch..........71
7.2.4 OpenVMS Guests Support vswitch-based VLAN Configuration and Not Guest-based
VLANs.............................................................................................................................71
7.2.5 Networking Interface Support for OpenVMS Guest........................................................71
7.2.6 AVIO Non-Physical Network vswitch (localnet) Restrictions...............................................71
7.2.7 Location of AVIO Networking Driver for Linux and Windows Guests.................................71
7.2.8 Changing Network Device Type on Linux Guest.............................................................71
7.2.9 Using Network Time Protocol (NTP) in Integrity VM Environments.....................................72
7.2.10 Supported Adapters..................................................................................................73
7.2.11 Calculating the Actual Utilization of the Virtual Network Card.........................................74
7.2.12 Using IP Alias Addresses in the Guest Not Supported for IPv4 or IPv6.............................74
7.2.13 Sufficient Memory for Guests with Virtual LAN Devices..................................................74
7.2.14 Vswitches Are Always in SHARED Mode......................................................................74
7.2.15 Do Not Use the HP A5506B PCI 10/100Base-TX 4 Port Interface for Virtual
Networking.......................................................................................................................74
7.2.16 Integrity VM V4.1 Does not Support Gelan Drivers........................................................74
7.2.17 MAC Address Validation Can Be Enhanced.................................................................74
7.2.18 Auto Port Aggregation (APA) is Supported on the VM Host, Not on the Guest...................75
7.2.19 Do Not Run Applications that Set Network Devices into Promiscuous Mode......................75
7.2.20 Guest and Host Communication................................................................................75
7.2.21 Do Not Turn on TSO on the VM Host and on HP-UX Guests When Using VIO..................76
7.2.22 Restarting Vswitches.................................................................................................77
7.2.23 Guest AVIO Interface Behavior..................................................................................77
7.2.24 AVIO LAN Devices Not Claimed by Guest with DOWN vswitch at Boot Time..................77
7.2.25 Do Not Use TCP Software Packet Reassembly in IGSSN Driver.......................................77
7.2.26 Other Issues and Notes............................................................................................78
8 Storage Information..................................................................................79
8.1 Changes and Issues in This Release.....................................................................................79
8.2 Known Issues and Information............................................................................................79
8.2.1 Storage Interface Support for OpenVMS Guests............................................................79
8.2.2 Slow VM Host Storage Might Result in HP-UX MPT Spinlock Timeout................................79
8.2.3 HostAVIOStor and GuestAVIOStor Changes.................................................................79
8.2.4 GuestAVIOStor HBA Driver (gvsd) DLKM......................................................................80
8.2.5 Agile DSFs Change in HP-UX 11i v3 Guest When Migrating Disks Between scsi and
avio_stor...........................................................................................................................80
8.2.6 Agile Device Name Recommendations.........................................................................81
8.2.7 Configuration Limits...................................................................................................81
8.2.8 Using USB CD/DVD Devices......................................................................................81
8.2.9 The sam Command might Display Incorrect Number of Disks and Paths on an HP-UX 11i
v2 Guest...........................................................................................................................81
8.2.10 Crash Dump Collection Might Fail for HP-UX Guests with Attached I/O Devices (VIO).......82
8.2.11 DMP Files Not Supported as Backing Stores ................................................................82
8.2.12 Assigning a Null Device to a Resource........................................................................82
8.2.13 Integrity VM Does Not Honor File Permissions on Backing Stores....................................82
8.2.14 The hpvmmodify Command Fails to Change a DVD......................................................83
8.2.15 Virtual FileDVD Reverts to Original Resource Statement..................................................83
8.2.16 Physical Device null Assigned to Nonexistent Path.........................................................83
8.2.17 Using sam on Guest Cannot Initialize Disk...................................................................83
8.2.18 Extending SCSI Whole Disk Backing Stores.................................................................83
8.2.19 Virtual SCSI (VIO) Device Limitations...........................................................................83
8.2.20 AVIO Limitations.....................................................................................................84
8.2.20.1 iSCSI-Based Backing Stores Not Supported with Physical Volumes Under Certain
Circumstances...............................................................................................................84
Contents 7