From: vinod kumar (vinodkumarmp@yahoo.com)
Date: Thu Jun 14 2007 - 14:08:23 EDT
Thanks to Michal Kapalka and Dave A
1. Simple way ,
dmesg | grep Boot
or try syslog ( if dmesg buffer is full)
grep Boot /var/adm/syslog/syslog.log
Both will give the HW path of the disk booted .
vmunix: Boot device's HP-UX HW path is: 1/0/0/3/0.6.0
if you need to find the device name from this path
(including efi hw path),
ioscan -efnkH 1/0/0/3/0.6.0
Class I H/W Path Driver S/W State H/W
Type Description
=======================================================================
disk 3 1/0/0/3/0.6.0 sdisk CLAIMED DEVICE
HP 36.4GST336753LC
/dev/dsk/c4t6d0
/dev/dsk/c4t6d0s2 /dev/rdsk/c4t6d0
/dev/rdsk/c4t6d0s2
/dev/dsk/c4t6d0s1
/dev/dsk/c4t6d0s3 /dev/rdsk/c4t6d0s1
/dev/rdsk/c4t6d0s3
Acpi(HWP0002,100)/Pci(3|0)/Scsi(Pun6,Lun0)/HD(Part1,Sig2EB7B300-DAE1-11DA-8002-D6217B60E588)/\EFI\HPUX\HPUX.EFI
2. adb way
echo "bootdev/x"|adb -n /stand/vmunix /dev/kmem
this will give you minor number of the booted disk .
do a list of dsk devices and grep for this minor
number .
0x1f046002 --> output from adb . take last 6
charectors only (046002 )
ll /dev/dsk/* | grep 046002
brw-r----- 1 bin sys 31 0x046002 May
14 12:01 /dev/dsk/c4t6d0s2
-vinod
--- vinod kumar <vinodkumarmp@yahoo.com> wrote:
> How do I identify the disk which server booted from
> on a mirror root disk .
>
> Ex: I have 2 disks in vg00 , /dev/dsk/c0t6d0 and
> c4t6d0 .
>
> Say if I boot the server manually from HA path ( ie
> c4t6d0 ) , after server comes to munti usermode ,
> how
> to confirm the disk it booted is from c4t6d0 .
>
> The reason I am curius about this is on IA , disk HW
> path on EFI are different ( like Pnu5,Lun6 ... ) .
>
> Thanks
> -vinod
>
>
>
>
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