Cant understand the File system working nature


 
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Old 11-15-2012
Cant understand the File system working nature

Hi,

We have a filesystem whose usage has gone above 81%, i tried to zip some files in the sub directories but the space is not released in the main file system.

Code:
> df -h
Filesystem             size   used  avail capacity  Mounted on
/u01/app               5.8G   4.6G   1.2G    81%    /u01/app
/u01/app/oracle/exp     16G   582M    15G     4%    /u01/app/oracle/exp

Here we have FS /u01/app with size 5.8 GB and /u01/app/oracle/exp with size 16 GB.

So if i delete or zip files in /u01/app/oracle/exp FS usage should reduce in /u01/app right.

Please advice.

Last edited by Scott; 11-15-2012 at 05:19 AM.. Reason: Code tags
 
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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)