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06-30-2011 12:43 AM
06-30-2011 12:43 AM
Machine cannot comes up
Hello,
This is the first time I compose a message here so please correct me if I do something wrong.
I hold an HP UX c- 8000 b.11.11 machine.
I tried to create more disk space. Thought this, I move into "init s" (single mode) and then to "init 0 (reboot) state.
When the os tried to come up I noticed that few processes are failed:
HP Gigabit
HP Ethernet
nfs core
nfs client/server
and few more...
and the os couldn't be brought up for several tries.
I interrupted the reboot process and entered to HPUX -is (s mode) and stooped nfs core, client and server, but it didn't help.
Please advice,
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06-30-2011 01:21 AM
06-30-2011 01:21 AM
Re: Machine cannot comes up
I have should notinced that I received some more messages:
command is reapawning too rapidlly will try in 5 minutes check for possible errors:
/opt/wbem/sbin/cimserverd
/usr/sam/lbin/samd
/usr/sbin/getty/ console console console
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07-04-2011 01:12 AM
07-04-2011 01:12 AM
Re: Machine cannot comes up
Maybe you can tell us more exactly what you tried?
Where did you want to create more space?
Maybe it's more easy to use the last backup/ignite backup?
V.
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07-05-2011 08:38 AM
07-05-2011 08:38 AM
Re: Machine cannot comes up
Hello,
I tried to create disk space on /dev/vg00/lvol9 (i am not sure it was 9), it is one directory above the home directory / .
If you need more information please let me know.
Thank you,
Yali
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07-05-2011 09:15 AM
07-05-2011 09:15 AM
Re: Machine cannot comes up
>>I tried to create disk space on /dev/vg00/lvol9 (i am not sure it was 9), it is one directory above the home directory /
How? What exactly did you do? What errors did you receive?
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07-05-2011 11:54 PM
07-05-2011 11:54 PM
Re: Machine cannot comes up
Hello,
I used sam -> Disk and File sys -> logical volumes -> increase size.
Then, I could not perform the action because the lvol was mounted. I went into run level S in order to unmount the lvol but couldn’t unmount it (bye the way how can I unmount a busy lvol?). so I press init 0 - to reboot.
from this stage the problem I described before occurred.
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07-06-2011 01:40 AM
07-06-2011 01:40 AM
Re: Machine cannot comes up
>I went into run level S in order to unmount the lvol but couldn’t unmount it (by the way how can I unmount a busy lvol?).
Run level s or S typically isn't good enough. I.e. Not all processes are killed.
For / and /etc /tmp /var you probably have to reboot to single user mode.
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07-06-2011 05:16 AM
07-06-2011 05:16 AM
Re: Machine cannot comes up
Ok, and then what should I do?
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07-06-2011 07:33 AM
07-06-2011 07:33 AM
Re: Machine cannot comes up
I think I find out a problematic vlome disk.
I reboot the system into single mode and run fsck:
fsck -F vxfs -y -o full /dev/vg00/*
then I received some error messages:
invalid supper block
search for AUX supper block
failer in block 33554432
in addition I received: " no lost+found on directory fileset..." for lvol3
I run fstyp and found that dev/vg00/lvol2 cannot be identified - unknown_fstyp.
also a specific fsck on this vol shows the same.
How can I overcome the problem?
BR,
Yali.
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07-06-2011 10:41 PM
07-06-2011 10:41 PM
Re: Machine cannot comes up
If there is an alternate boot path.. try to boot from it else restore from Ignite-UX backup image..
Pradeep
I am an HP Employee
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
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07-06-2011 11:01 PM
07-06-2011 11:01 PM
Re: Machine cannot comes up
I think it can be booted from CD.
Is there any instruction how to do that? What are the consequences?
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07-07-2011 12:28 AM
07-07-2011 12:28 AM
Re: Machine cannot comes up
> I think it can be booted from CD
I suppose you are talking about booting from Recovery media, Yes its possible to repair a non bootable system using recovery media. But if there are is a major unrecoverable file system corruption in root vg then the options left are to restore from ignite-UX backup or cold installation from ignite or CD.
Note: Recovery media is used to recover the bootlif/os partitions.
Instructions to boot from Recovery media:
1. Boot from the Install/Support Media. Boot from the path of the CD media and do NOT interact with ISL.
You will get a menu with the following options:
Install HP-UX
Run a recovery shell
Advanced Options
2. Select "Run a Recovery Shell" from the menu.
3. Choose the appropriate options to start reparing the boot disk.
HP-UX CORE MEDIA SYSTEM RECOVERY
MAIN MENU
s. Search for a file
b. Reboot
l. Load a file
r. Recover an unbootable HP-UX system ......
Select one of the above: r
Loading commands for recovery ....
DEVICE FILE VERIFICATION MENU
This menu is used to specify the path of the root file system.
When the information is correct, select 'a'.
INFORMATION to verify:
Device file used for '/'(ROOT) is c1t15d0
The hardware path to disk is 0/0/1/1.15.0
Select one of the following:
a. The above information is correct.
Selection: a
The disk is LVM Setting boot and root device file for c1t15d0...
HP-UX Recovery MENU
Select one of the following:
a. Mount the root disk and exit to a shell only.
b. Recover the bootlif/os partitions. ......
Selection: b
Entering boot area repairing ....
=============================================================
Hope this info helps..
Pradeep
I am an HP Employee
A quick resolution to technical issues for your HP Enterprise products is just a click away HP Support Center Knowledge-base
See Self Help Post for more details
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07-07-2011 02:02 AM
07-07-2011 02:02 AM
Re: Machine cannot comes up
Dear Mr. Pradeep,
Thank you for the informative reply.
Considering the options you posted here I think it will be better to restore it from the ignite – UX backup.
Is there any place that I can find the entire procedure for it?
Best regards,
Yali
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07-07-2011 04:49 AM
07-07-2011 04:49 AM
Re: Machine cannot comes up
I recommend to check this great doc:
http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c02023874/c02023874.pdf
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