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Full Discussion: Not able to delete log file
Operating Systems Solaris Not able to delete log file Post 302865155 by solaris_1977 on Thursday 17th of October 2013 07:58:37 PM
Old 10-17-2013
Not able to delete log file
On my solaris-10 box, there are two log files which are being used (written by) some application. Those are hige files of 3 gb and 5 gb. I tried to nullify it, but it shows me zero size and after few seconds it will show me its original size. "ls -ltr" shows me big size, but "du -sh file" shows me in kb. We do not want to stop application to clear these files. Is there any way to clear them without stopping application. Below outputs should say my problem more clearly.
Code:
root@prd_db07:/oimDomain/logs# ls -l soa.out admin.out
-rw-r--r--   1 iamswl1  dggess     330644050 Oct 17 16:53 admin.out
-rw-r--r--   1 iamswl1  dggess     5163031517 Oct 17 16:53 soa.out
root@prd_db07:/oimDomain/logs# du -sh soa.out admin.out
 134K   soa.out
 260K   admin.out
root@prd_db07:/oimDomain/logs# fuser soa.out
soa.out:    21268o   21243o   21242o
root@prd_db07:/oimDomain/logs# fuser admin.out
admin.out:    19903o   19878o
root@prd_db07:/oimDomain/logs#
root@prd_db07:/oimDomain/logs# ptree 21268
3118  zsched
  21242 /bin/sh /dggess/envs/stage/domains/oimDomain/bin/startManagedWebLogic.sh soa_serv
    21243 /bin/sh /dggess/envs/stage/domains/oimDomain/bin/startWebLogic.sh nodebug noderby
      21268 /dggess/apps/jdk/jdk1.6.0_29/bin/sparcv9/java -server -Xmx4096m -Xms4096m -XX:Per
root@prd_db07:/dggess/apps/logs/oimDomain#
root@prd_db07:/dggess/apps/logs/oimDomain# ptree 19903
3118  zsched
  19878 /bin/sh /dggess/envs/stage/domains/oimDomain/bin/startWebLogic.sh
    19903 /dggess/apps/jdk/jdk1.6.0_29/bin/sparcv9/java -server -Xms2048m -Xmx2048m -XX:Max
root@prd_db07:/oimDomain/logs# >soa.out
root@prd_db07:/oimDomain/logs# >admin.out
root@prd_db07:/oimDomain/logs# ls -l soa.out admin.out
-rw-r--r--   1 iamswl1  dggess           0 Oct 17 16:54 admin.out
-rw-r--r--   1 iamswl1  dggess           0 Oct 17 16:54 soa.out
root@prd_db07:/oimDomain/logs#
root@prd_db07:/oimDomain/logs# ls -l soa.out admin.out   ---> AFTER A WAIT OF 3-4 SECONDS, IT IS AGAIN BACK TO SAME SIZE
-rw-r--r--   1 iamswl1  dggess     330651280 Oct 17 16:54 admin.out
-rw-r--r--   1 iamswl1  dggess     5163034962 Oct 17 16:54 soa.out
root@prd_db07:/oimDomain/logs#

 

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LEARN ABOUT OSF1

install-solaris

install-solaris(1M)													       install-solaris(1M)

NAME

       install-solaris - install the Solaris operating system

SYNOPSIS

       install-solaris

       install-solaris	invokes  the  Solaris  Install	program. Depending on graphical capability and available memory at the time of invocation,
       install-solaris invokes either a text-based installer or a graphical installer.

       The following minimum requirements for physical memory dictate which features are available during installation:

       For SPARC machines:

       128 MB

	   Minimum physical memory for all installation types

       128 MB

	   Minimum physical memory required for windowing system

       384 MB

	   Minimum physical memory required for graphical-based installation

       For x86 machines:

       256 MB

	   Minimum physical memory for all installation types

       256 MB

	   Minimum physical memory required for windowing system

       512 MB

	   Minimum physical memory required for graphical-based installation

       In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number  of  fea-
       tures available.

       install-solaris	exists	only  on  the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the  for more
       details.

       install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the
       installation media. Refer to the  for disk space requirements.

       Refer to the  for more information on the various menus and selections.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcdrom  (Solaris instal-  |
       |			     |lation media)		   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

       pkginfo(1), install(1M), pkgadd(1M), attributes(5)

       It is advisable to exit install-solaris by means of the exit options in the install-solaris menus.

								    23 Sep 2005 					       install-solaris(1M)
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