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тАО03-05-2010 09:35 AM
тАО03-05-2010 09:35 AM
In the hp-ux 10.20 version server, we want to extend the root and /var file system , but online JFS is not there. In that server 2 disks are there, but one disk is configured as LVM disk and the another one is left as free, so can we extend the root and /var file system in the single user mode, since online JFS is not there.
And the root file sysetm is the contigous allocation right ? so its not possible to spread the root file system on the 2 PV's. Please adivce me on this.
Can we get the LVM commands like pvcreate, pvmove in the single user mode.
Please give ur valuable suggestion on this.
Thanks in advance..
Solved! Go to Solution.
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тАО03-05-2010 09:38 AM
тАО03-05-2010 09:38 AM
Re: / and /var need to extend
Take an Ignite 'make_tape_recovery' backup and use it to cold-install your server. When you boot from the Ignite tape, choose the Advanced Installation Mode. Therein you will be able to choose (adjust) your filesystem sizes.
Regards!
...JRF...
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тАО03-05-2010 10:20 AM
тАО03-05-2010 10:20 AM
Re: / and /var need to extend
but how can we add the disk in the existing LVM.
Could u tell me the clear view.
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тАО03-05-2010 01:26 PM
тАО03-05-2010 01:26 PM
Solution> but how can we add the disk in the existing LVM.
As you already noted, the root filesystem (lvol3) has contiguous allocation.
You could circumvent this by 'vgextend'ing in your free disk and doing a 'pvmove' of lvol4 to it; potentially freeing physical extents immediately adjacent to lvol3.
In the absence of OnlineJFS, though, things become complicated by the need to unmount filesystem to extend them. In this case, that would force you to use LVM maintenance mode.
I would take a "safer" approach and use Ignite to cold-install a backup image as I first suggested. You simply specify multiple root disks if/as necessary.
Regards!
...JRF...
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тАО03-05-2010 06:35 PM
тАО03-05-2010 06:35 PM
Re: / and /var need to extend
Yes
As mentioned in the above post, using "Ignite is the best way to adjust size of " / hence its contiguous. on top of that you d'not have Online jfs,
>>Can we get the LVM commands like pvcreate, pvmove in the single user mode.<<
yes, you can.
boot into LVM maintenance mode:
hpux -lm
Example :-
mount manually /var /tmp /usr
# mount /dev/vg00/lvol4/ /usr .etc...
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тАО03-11-2010 11:45 AM
тАО03-11-2010 11:45 AM
Re: / and /var need to extend
so how to proceed all these things..
is there any steps or any links u know to proceed further
Pls help me out on this...
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тАО03-11-2010 11:50 AM
тАО03-11-2010 11:50 AM
Re: / and /var need to extend
It is the standard ignite recovery.
You see a prompt on console that gives you a chance to manually intervene and change configuration.
You press a key, get the Ignite Interface and make your changes on the disk/filesystem tab.
Create recovery tape:
http://docs.hp.com/en/B2355-90772/ch11s02.html
Recovery topics:
http://docs.hp.com/en/B2355-90772/ch11s14.html
Create archive via network or tape:
http://docs.hp.com/en/B2355-90772/ch11s04.html
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО03-11-2010 11:51 AM
тАО03-11-2010 11:51 AM
Re: / and /var need to extend
ftp://ftp.hpux.dk/unix/hpux/docs/When_Good_Disks_Go_Bad.pdf
Pete
Pete
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тАО03-11-2010 12:00 PM
тАО03-11-2010 12:00 PM
Re: / and /var need to extend
Pete
Pete
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тАО03-11-2010 12:39 PM
тАО03-11-2010 12:39 PM
Re: / and /var need to extend
Pete was trying to offer:
http://docs.hp.com/en/5991-1236/When_Good_Disks_Go_Bad_WP.pdf
Regards!
...JRF...