Re: Fwd: How to WIPE Service with D+ STAT

[alok pandey <alok rhct gmail com>]

HI Rick,
Thanks for your time but I am already aware of what you have stated, I am more ,about my other queries, i.e
 --Remove/reload/wipe process who's ps output comes with D+ stat
 --How to trace running  script/process  , were it is blocked/hold (basically
 exact line of script), (any combination of linux command)
 --process/users details of using  resource ( disk partition, memory, files,
 etc) .(other than fuser)?.

It will be a great help to me if you (or any one) can provide me a pointer regarding the same.
Btw,
Thanks again for your support.

--Alok

On 4/10/09, Rick Stevens <ricks nerd com> wrote:

alok pandey wrote:

Hi
Recently I experienced a problem on one of  user-desktop machine
(centos5.2), when a user(with all access) deleted the file
 /var/log/messages  to free some space (as  df -h was showing /var 100%
full), but still df -h shows 100% full.
It takes around 10 min to figure out the problem. To resolve it, I just
reloaded the syslog service. ( I was luck that user told me what he did
before, otherwise I am sure it will  take min of 1 to 2 hour )


I want to know that is there any way to get perfect details of such
misguiding output. (one i know is fuser, but i didn't find it's helpful).

To be more specific about problem I want to know ,Is there any way in
Linux(centos) to do the following :-
--Remove/reload/wipe process who's ps output comes with D+ stat
--How to trace running  script/process  , were it is blocked/hold (basically
exact line of script)
--process/users details of using  resource ( disk partition, memory, files,
etc) .

When you free up space in a directory, all of the files in that
directory must be closed before the free space will appear.  As long as
a program holds an open file there, the free space won't appear.

In your case, syslog was holding /var/log/messages open so the free
space was hidden.  When you restarted syslog, it closed
/var/log/messages allowing the true state of things to appear.  It then
reopened the file and life continues.

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-- 
Thanks
ALOK PANDEY