HP Integrity Virtual Machines Version 4.2 Release Notes

/dev/dsk/c0t0d0s3 /dev/rdsk/c0t0d0s3
disk 16 0/0/5/0.0.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c3t0d0 /dev/rdsk/c3t0d0
disk 18 0/0/5/0.1.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c3t1d0 /dev/rdsk/c3t1d0
adisk 20 0/0/5/0.2.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c3t2d0 /dev/rdsk/c3t2d0
disk 17 0/0/6/0.0.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c4t0d0 /dev/rdsk/c4t0d0
disk 19 0/0/6/0.1.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c4t1d0 /dev/rdsk/c4t1d0
disk 21 0/0/6/0.2.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c4t2d0 /dev/rdsk/c4t2d0
disk 23 0/0/6/0.3.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c4t3d0 /dev/rdsk/c4t3d0
disk 25 0/0/6/0.4.0 sdisk CLAIMED DEVICE HP Virtual Disk
/dev/dsk/c4t4d0 /dev/rdsk/c4t4d0
Workaround: Use the System Management Homepage (SMH) to configure the devices.
8.2.7 Crash Dump Collection Might Fail for HP-UX Guests with Attached I/O Devices
(VIO)
HP-UX guest OS crash might fail to save a crash dump with the following console message:
Error: can't open first dump device /dev/dsk/c0t0d0. Dump aborted.
INIT[0]: OS_INIT ends. Resetting the system
This problem is caused by the HP-UX MPT dump driver in the guest waiting only 1 second for
a bus reset to finish. If there is an attached tape or changer sharing the same virtual MPT adapter
as the guest boot disk, the reset time of that attached tape or changer might exceed the 1 second
timeout, resulting in the error message above.
To avoid this problem on HP-UX 11i v2 0505–0706 or HP-UX 11i v3 guests, make sure the guest
boot disk and any attached tape or changer do not share the same virtual MPT adapter. For
information about how to specify bus and device numbers to place the tapes or changers on a
separate MPT adapter than the guest boot disk, see the hpvmresources manpage or the HP Integrity
Virtual Machines Installation, Configuration, and Administration.
For HP-UX 11i v2 0712, HP-UX 11i v3 0803, and all later supported HP-UX guest releases, make
sure the HPVM-Guest depot is installed. The HPVM-Guest depot adjusts the MPT dump reset
timeout allowing for tape and changers to be placed on the same virtual MPT adapter as the boot
disk.
8.2.8 DMP Files Not Supported as Backing Stores
Veritas VxVM DMP device files (files under /dev/vx/rdmp/) are not supported by Symantec
for whole disk backing stores for virtual machines.
8.2.9 Assigning a Null Device to a Resource
When assigning a null device to a resource on a virtual machine, the file name serves as a
placeholder. Therefore, if the file does not exist, you will not receive an error message. For
example, the following command string will not produce an error message if the file XXXX.iso
does not exist:
hpvmmodify -P vm1 -a disk:scsi::null:/opt/XXXX.iso
8.2.10 Integrity VM Does Not Honor File Permissions on Backing Stores
File permission settings do not affect the way Integrity VM accesses backing stores. Backing
stores provided as virtual disks can be written to regardless of the file permission settings on
the backing store. A backing store provided as a virtual DVD is always read-only. Attached
devices do not consider file permissions when backing up data.
78 Storage Information