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тАО12-01-2009 04:10 AM
тАО12-01-2009 04:10 AM
is it good to extend the /opt file system online?
Could you pls advice that whether can we extend the /opt FS online? Any restriction or good practice is there for it?
rgds
Sreekumar
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тАО12-01-2009 05:04 AM
тАО12-01-2009 05:04 AM
Re: is it good to extend the /opt file system online?
if you have JFS Online activated, yes it is possible, without any problem.
mikap
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тАО12-01-2009 05:09 AM
тАО12-01-2009 05:09 AM
Re: is it good to extend the /opt file system online?
Do you have Online-JFS installed?
#swlist -l product | grep Online
If you have Online-jfs installed
# lvextend -L
# fsadm -b
otherwise you need to umount the LV and you need to extendfs after lvextend
# umount /mountpoint
# extendfs -F vxfs /dev/
# mount /mountpoint
Umounting /opt is going to be difficult in multi-user mode, you might need to reboot to single user mode before you can resize your /opt logical volume.
Hope this helps a bit.
Regards,
Robert-Jan
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тАО12-01-2009 09:51 AM
тАО12-01-2009 09:51 AM
Re: is it good to extend the /opt file system online?
Only the first three logical volumes of vg00 are contiguous and can not be extended online. (* boot, swap, root *). The other filesystems are random access and can be extended online no problem. Run,
fsadm -F vxfs -D -E /opt
If you get a fragmentation report then you have online jfs and can
lvextend
fsadm -F vxfs -b(bytes) /opt
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тАО12-02-2009 11:16 AM
тАО12-02-2009 11:16 AM
Re: is it good to extend the /opt file system online?
As noted, if you have OnlineJFS you most certainly can extend the '/opt' filesystem online. You need a small amount of free space to enlarge a filesystem. In the absence of this tiny free space, the expansion will fail and you will have to resort to an 'extendfs' and an unmounted filesystem.
Having OnlineJFS to allow dynamically resizing filesystems is only one of many uses for OnlineJFS.
Regards!
...JRF...
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тАО12-02-2009 04:37 PM
тАО12-02-2009 04:37 PM
Re: is it good to extend the /opt file system online?
why do you need to extend /opt ? are you running out of space or any other application you are going to Install ?
>>good practice is there for it? <<<
if you have ONLINE JFS, you can extend the file system with out unmouting the /opt file system
>>Any restriction<<
if you d'not have enough "PE" under your Volume group vg00 also its not possible
if you d'not have Online JFS => you need extend your /opt file under single user mode
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тАО04-24-2010 01:20 PM
тАО04-24-2010 01:20 PM
Re: is it good to extend the /opt file system online?
Thanks for all.
This thread can be closed.
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тАО04-24-2010 02:35 PM
тАО04-24-2010 02:35 PM
Re: is it good to extend the /opt file system online?
Please read the following for info how to close threads:
http://forums.itrc.hp.com/service/forums/helptips.do?#40