topic Re: where is a boot disk? in Operating System - HP-UX

where is a boot disk?

gigiz — Mon, 13 Mar 2006 12:44:00 GMT

Hello ...
I want to say if whit a system up and running,
exist a system command to say which is a disk used at start up to boot a system .I know setboot, lvlnboot.

Re: where is a boot disk?

A. Clay Stephenson — Mon, 13 Mar 2006 13:07:11 GMT

echo "boot_string/s" | adb -k /stand/vmunix /dev/kmem

This asks the kernel directly what was used to boot.

Re: where is a boot disk?

Steven E. Protter — Mon, 13 Mar 2006 13:11:27 GMT

[3745#] lvlnboot -v
Boot Definitions for Volume Group /dev/vg00:
Physical Volumes belonging in Root Volume Group:
/dev/dsk/c0t5d0 (8/4.5.0) -- Boot Disk
/dev/dsk/c1t15d0 (8/12.15.0) -- Boot Disk
Boot: lvol1 on: /dev/dsk/c0t5d0
/dev/dsk/c1t15d0
Root: lvol3 on: /dev/dsk/c0t5d0
/dev/dsk/c1t15d0
Swap: lvol2 on: /dev/dsk/c0t5d0
/dev/dsk/c1t15d0
Dump: lvol2 on: /dev/dsk/c0t5d0, 0

lvlnboot: Volume group not activated.
Cannot display volume group "/dev/vg02".

The command above works.

to find out which little green light it is, use the dd command to light up the disk, device by device.

SEP

Re: where is a boot disk?

Torsten. — Mon, 13 Mar 2006 13:32:00 GMT

To be able to boot, a disk needs to have a loader (ISL initial system loader) and some additional files in a special area on the disks, called lif area.

You may check if your disk have this area (created with pvcreate -B) and what files are there:

lifls -l /dev/rdsk/c1t6d0
volume ISL10 data size 7984 directory size 8 02/05/10 16:25:44
filename type start size implement created
===============================================================
HPUX -12928 584 848 0 02/05/10 16:25:44
ISL -12800 1432 306 0 00/11/08 20:49:59
AUTO -12289 1744 1 0 00/11/08 20:49:59
PAD -12290 1752 1580 0 00/11/08 20:50:00
LABEL BIN 3336 8 0 71/03/14 04:26:46

Re: where is a boot disk?

Kent Ostby — Mon, 13 Mar 2006 13:47:07 GMT

setboot -v will tell you where its going to boot next time around as well as allow you update paths and boot options.

Re: where is a boot disk?

gigiz — Tue, 14 Mar 2006 03:25:49 GMT