HP-UX: Booting from an alternate kernel

HP-UX: Booting from an alternate kernel

Press a key, while PDC is waiting for the 10 seconds manual overide.

Autosearch for boot path enabled

To override, press any key with 10 seconds.


Boot from primary boot path (Y or N)?> N
Boot from alternate boot path (Y or N)?> N
Enter boot path, comman, or ?>

console>boot
Interact with IPL (Y or N)?>Y

Booting...
Boot IO Dependent Code (IODC) revision 4

Hard Booted

ISL Revision A.00.38 Oct 26, 1994

ISL>hpux boot disk()/stand/vmunix.prev

ISSUE: Veritas file system mount issue

ISSUE: file system mount issue

STATUS:
- found disks failed in "vxdisk list"

- - rootdg03 rootdg failed was:c4t0d3s2
- - oracled09 oracledg failed was:c3t1d0s2
- - oracled10 oracledg failed was:c4t0d1s2
- - oracled11 oracledg failed was:c4t0d2s2
- - oracled12 oracledg failed was:c4t0d4s2

- found disks not available in "format" too

12. c4t0d0
/pci@6,4000/fibre-channel@4/sd@0,0
13. c4t0d1
/pci@6,4000/fibre-channel@4/sd@0,1
/pci@6,4000/fibre-channel@3/sd@0,1
18. c5t1d0
/pci@6,4000/fibre-channel@3/sd@1,0
19. c5t1d1
/pci@6,4000/fibre-channel@3/sd@1,1

- found volumes in recover states, recovered the volumes using below commands.

vxmend -g dg -o force off plex
vxmend -g dg on plex
vxmend -g dg fix clean plex
vxvol -g dg start vol

- fsck and mounted the volumes, its working fine
- to fix issue with stale entries for dmp and disks, went for device tree cleanup with reconfiguration reboot