Re: root partition to be increased (72 Views)
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Super Advisor
fizan
Posts: 455
Registered: ‎05-06-2009
Message 1 of 22 (72 Views)
Accepted Solution

root partition to be increased

team,

online jfs is not installed, while installing the os with guided installation i installed, so the root,usr,tmp are all only 500MB now i want to increase the space for root partition bcoz only 258MB free as of now, kindly explain how to increase the size?
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Acclaimed Contributor
Torsten.
Posts: 22,953
Registered: ‎10-02-2001
Message 2 of 22 (72 Views)

Re: root partition to be increased

Probably the best would be to take an ignite backup and adjust the size during restore.

Hope this helps!
Regards
Torsten.

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Super Advisor
fizan
Posts: 455
Registered: ‎05-06-2009
Message 3 of 22 (72 Views)

Re: root partition to be increased

as of now there is no ignite backup avail, but the server is not in production so any idea to increse by going to single user mode?
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Honored Contributor
Michal Kapalka (mikap)
Posts: 2,683
Registered: ‎08-19-2007
Message 4 of 22 (72 Views)

Re: root partition to be increased

hi,

there are some unofficial procedures how to do it, but the best way is to make an ignite and restore with new size as Torsten recommend.

mikap
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Honored Contributor
Kapil Jha
Posts: 1,478
Registered: ‎01-23-2006
Message 5 of 22 (72 Views)

Re: root partition to be increased

Here is the unofficeial way beautifully described by James.

But still ignite option is good, you can go ahead and take ignite and then restore it.

BR,
Kapil+
I am in this small bowl, I wane see the real world......
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Acclaimed Contributor
Torsten.
Posts: 22,953
Registered: ‎10-02-2001
Message 6 of 22 (72 Views)

Re: root partition to be increased

Root and boot cannot be extended so easily even in single user mode, because they have to be continuous. But normally both will grow so much during normal operating.
All others (tmp, usr, opt, ...) can be incresed in single user mode.

Hope this helps!
Regards
Torsten.

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Acclaimed Contributor
Torsten.
Posts: 22,953
Registered: ‎10-02-2001
Message 7 of 22 (72 Views)

Re: root partition to be increased

Sorry, should be

...But normally both will *not* grow so much during normal operating...

Hope this helps!
Regards
Torsten.

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Honored Contributor
Suraj K Sankari
Posts: 1,659
Registered: ‎09-09-2008
Message 8 of 22 (72 Views)

Re: root partition to be increased

Hi,

Though you have online JFS you can't extend root file system, to extend the same there is a long procedure to do the easiest one is take a Ignite backup and restore it in interactive mode and there you give the new size of root file system.

Suraj
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Super Advisor
fizan
Posts: 455
Registered: ‎05-06-2009
Message 9 of 22 (72 Views)

Re: root partition to be increased

thanks for all of your suggestions,
so for ignite restore of the os any pdf or link to proceed how to perform it?
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Acclaimed Contributor
Torsten.
Posts: 22,953
Registered: ‎10-02-2001
Message 10 of 22 (72 Views)

Re: root partition to be increased

Complete guide is here

http://docs.hp.com/en/IUX

Do you have a tape drive?

Hope this helps!
Regards
Torsten.

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those who understand binary, and those who don't.

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Super Advisor
fizan
Posts: 455
Registered: ‎05-06-2009
Message 11 of 22 (72 Views)

Re: root partition to be increased

No we dont have tortsen.
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Honored Contributor
Michal Kapalka (mikap)
Posts: 2,683
Registered: ‎08-19-2007
Message 12 of 22 (72 Views)

Re: root partition to be increased

hi,

you could use ignite server, if you dont have a physical tape drive for ignite backup.

OR if this system is 11.23 and higher you could use DRD.

mikap

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Honored Contributor
R.K. #
Posts: 705
Registered: ‎05-20-2008
Message 13 of 22 (72 Views)

Re: root partition to be increased

Hi Fizan,

If you have any external tape drive in any server, you can connect it to this server and take ignite backup.
Don't fix that what ain't broke
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Super Advisor
fizan
Posts: 455
Registered: ‎05-06-2009
Message 14 of 22 (72 Views)

Re: root partition to be increased

so after taking an ignite restore, then again while installing the OS again we have to go via the "ADVANCED INSTALLATION" right and provide the needed size over there correct. so for that first need to install the ignite tool in the server right?
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Honored Contributor
R.K. #
Posts: 705
Registered: ‎05-20-2008
Message 15 of 22 (72 Views)

Re: root partition to be increased

Yes..

you need to install ignite first. From here:
https://h20392.www2.hp.com/portal/swdepot/try.do?productNumber=IGNITEUXB

Take backup. You can use the "-i" option while taking ignite backup so the the booting will always be interactive.
Then boot from ignite tape and go for interactive mode. Go to file system menu, i suppose, and change the size.

Regds..
Don't fix that what ain't broke
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Honored Contributor
R.K. #
Posts: 705
Registered: ‎05-20-2008
Message 16 of 22 (72 Views)

Re: root partition to be increased

You can have a look on Avinash's reply:

http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1255503502328+28353475&...

That might be helpful.
Don't fix that what ain't broke
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Honored Contributor
Suraj K Sankari
Posts: 1,659
Registered: ‎09-09-2008
Message 17 of 22 (72 Views)

Re: root partition to be increased

Hi,
>>so for that first need to install the ignite tool in the server right?

YES...
then while restore choose "ADVANCED INSTALLATION" there you define your new size of root and other file systems.

Suraj
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Regular Advisor
subodhbagade
Posts: 132
Registered: ‎06-08-2008
Message 18 of 22 (72 Views)

Re: root partition to be increased

Hi,

Most recommended method from Hp is to take the ignite backup, make sure latest ignite software â C.7.8.201 â installed in serve.

(1) #ioscan â fnC tape ( to detect the path of tape it should be /dev/rmt/0mn )

(2)
# /opt/ignite/bin/make_tape_recovery -x inc_entire=vg00 -I -v -a /dev/rmt/0mn

To take the ignite backup of root VG.

(3) Once it is completed you can verify successful completion in /var/opt/ignite/recovery/latest/recovery.log

(4) Boot the server from tape and then select â Advance installation mode â

Here you can modify new size of root.

(5) Take the full system offline backup before doing ignite backup and restoration (to be on safer side.).


Regards,
Subodh.



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Honored Contributor
Jannik
Posts: 490
Registered: ‎01-19-2003
Message 19 of 22 (72 Views)

Re: root partition to be increased

Hey,

Geoff Wild have made a site for tips and tricks:
http://www.met.ca/itrc/

And this is the trick you need:
http://www.met.ca/itrc/index.php?option=com_content&task=view&id=89&Itemid=2

This does not shed new light on the issue but anyway.
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Super Advisor
fizan
Posts: 455
Registered: ‎05-06-2009
Message 20 of 22 (72 Views)

Re: root partition to be increased

hi Subodh,

while taking the ignite backup, make_tape_recovery how to backup as a boot image so whether we have to give any option like -b so that while booting from tape it will directly boot as boot image setup.
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Honored Contributor
R.K. #
Posts: 705
Registered: ‎05-20-2008
Message 21 of 22 (72 Views)

Re: root partition to be increased

No need of -b option here

You can use..

# make_tape_recovery -x inc_entire=vg00 -I -a /dev/tape_device_name
The above command includes the complete vg00 for backup

-I (upper case i) : Causes the system recovery process to be interactive when booting from the tape. By default, when the systems boots from the recovery tape, it will allow ten (10) seconds to interrupt the automatic recovery process in order to make modifications interactively.
Don't fix that what ain't broke
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Regular Advisor
Kanagaraj
Posts: 84
Registered: ‎03-01-2009
Message 22 of 22 (72 Views)

Re: root partition to be increased

Fizan,

You can store boot image files on Tape or Ignite server.

Simply take OS full backup of the server on Tape by following command make_tape_recoevery -A -I -v -x inc_entire=vg00 -a /dev/rmt/0mn(This is tape drive path)

you can check the path of the tape drive,

ioscan -fnC tape

once completed backup.

restore the ignite backp by booting the server from Tape drive and select hpux installation and advanced option. Then you can increase root / file system partion size from file system tap.

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