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тАО03-23-2005 07:52 PM
тАО03-23-2005 07:52 PM
In my server Hp9000-K series Hp ux 11 is installed .
The root filesystem is in a logical volume. Now the problem is that the root file system is showing 97 % .Its causing the warning message as "root full" & the application like "exceed" is exiting frequently.
Can someone tell me how to extend the root file system size in this condition without disturbing the existing OS & data on it.
Thanks in advance
Sanjay
Solved! Go to Solution.
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тАО03-23-2005 08:07 PM
тАО03-23-2005 08:07 PM
Re: HP ux root filesystem full.
The first thing you could check is if someone made an error using a tar command.
# ll /dev/rmt
check if there is a large file omn
check for other large files in /
# find / -xdev -size +1000 -exec ll {} \;
Best regards,
Robert-Jan
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тАО03-23-2005 08:08 PM
тАО03-23-2005 08:08 PM
Re: HP ux root filesystem full.
u may like to look for any core files or unwanted files in the "/" filesystem, cause there is no way of increasing the / filesystem without rebooting (that includes /stand and swap filesystem).
usually, we tend not to dump any unnecessary files in the root directory.
regards.
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тАО03-23-2005 08:09 PM
тАО03-23-2005 08:09 PM
Re: HP ux root filesystem full.
For example, check in /dev and make sure no-one has accidentally created or put a large normal file there. A simple example is where someone does a tar or other such command and specifies an incorrect device, e.g. /dev/rmt/om instead of 0m.
The next place to look is if you do not have /var/adm/crash as a separate file system, do you have crash dumps in there? If yes, then unless they are relevant, remove them.
Another favourite is /var/adm/sw/save, where older versions of patches are saved to be used in the event of you wishing to revert to a previous patch.
Just a few thoughts.
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тАО03-24-2005 09:02 AM
тАО03-24-2005 09:02 AM
Re: HP ux root filesystem full.
Also ,
if /var is not a seperate file system check,
/var/adm/btmp
/var/adm/crash
Thanks,
BL.
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тАО03-25-2005 02:48 AM
тАО03-25-2005 02:48 AM
Re: HP ux root filesystem full.
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тАО03-25-2005 02:57 AM
тАО03-25-2005 02:57 AM
Re: HP ux root filesystem full.
You have to extend root volume in single user mode. (Recommend make a full system backup before extend)
Regard,
HoangChiCong
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тАО03-25-2005 04:10 AM
тАО03-25-2005 04:10 AM
Re: HP ux root filesystem full.
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тАО03-25-2005 06:36 AM
тАО03-25-2005 06:36 AM
SolutionThe first is the size of /dev. Do this:
du -ks /dev
It should report less than 200k, more like 80k. If it is MUCH larger then someone has misspelled /dev/null (ie, /dev/rmt/om, /dev/nul or /dev/null2 or soemthing similar) and it would have to be root or a root process (since /dev is 755 permissions). There are no ordinary files in /dev:
find /dev -type f -exec ll {} \;
If there are, move or remove them from /dev. Then there may be application of developer junk left in the / directory 'because it's easy to remember /' These directories do not belong in /...move them. And of course there may be some logfile (NEVER allow logfiles in /) that is growing. Find the culprit(s) by looking for big directories (NOT big files):
du -kx / | sort -rn | head -20
It should look something like this:
69232 /
41080 /etc
38448 /sbin
26680 /etc/vx
21656 /etc/vx/type
10160 /etc/opt
8616 /etc/vx/type/static
6344 /etc/vx/type/gen
5904 /sbin/fs
5400 /etc/opt/resmon
The numbers are in kbytes. These are all OS directories. I suspect that there are other directories at the top of your list that need to be moved. Or there are very large files in / which you can see with:
ll / | sort -rnk5 | head -20
NOTE: You root HOME directory is probably in / (very bad idea). Create a new location for root's HOME (perhaps /home/root) and move all the ordinary files to that location. Find ordinary files with:
ll / | grep ^-
NOTE: Some of those files may be part of some developer's package or a vendor's package. If they are and they are quite large, use symbolic links to move them to /opt.
Enlarging the / directory requires a re-installation (or Ignite/UX which is the same thing) and is normally not needed by managing the / space carefully.
Bill Hassell, sysadmin
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тАО03-28-2005 05:37 PM
тАО03-28-2005 05:37 PM
Re: HP ux root filesystem full.
I will let you know the findings of the suggestions.
Thanks a lot
Sanjay