02-21-2008
df command
I trying to find out if any space is left on on a drive
If I do the df -k command i will show
Filesystem kbytes used avail capacity Mounted on
ok kbytes is the total But what I really what to know is, is there
really any more space left on the volumn that can be used ... or is that
really all that is on that drive
ie
I have a file
kbytes used avail capacity Mounted on
/dev/vx/dsk/saptstdg/sapdata1
8249704 6945520 1221688 86% /oracle/XYX/sapdata1
is there a command to see if there more space that can be given/ released
to this drive hidden maybe .... so I can make th 8.2 gig like 10 gig
or like I said is that really IT .. and someone has to add a larger disk
and migrate all the data over to it ...
thankssssss
RJ
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df(1B) SunOS/BSD Compatibility Package Commands df(1B)
NAME
df - display status of disk space on file systems
SYNOPSIS
/usr/ucb/df [-a] [-i] [-t type] [filesystem...] [filename...]
DESCRIPTION
The df utility displays the amount of disk space occupied by currently mounted file systems, the amount of used and available space, and
how much of the file system's total capacity has been used.
If arguments to df are path names, df produces a report on the file system containing the named file. Thus `df .' shows the amount of
space on the file system containing the current directory.
OPTIONS
The following options are supported:
-a Report on all filesystems including the uninteresting ones which have zero total blocks (that is, auto-mounter).
-i Report the number of used and free inodes. Print ` * ' if no information is available.
-t type Report on filesystems of a given type (for example, nfs or ufs).
EXAMPLES
Example 1: Using df
A sample of output for df looks like:
example% df
Filesystem kbytes used avail capacity Mounted on
sparky:/ 7445 4714 1986 70% /
sparky:/usr 42277 35291 2758 93% /usr
Note that used+avail is less than the amount of space in the file system (kbytes); this is because the system reserves a fraction of the
space in the file system to allow its file system allocation routines to work well. The amount reserved is typically about 10%; this can be
adjusted using tunefs (see tunefs(1M)). When all the space on a file system except for this reserve is in use, only the super-user can
allocate new files and data blocks to existing files. When a file system is overallocated in this way, df can report that the file system
is more than 100% utilized.
FILES
/etc/mnttab List of file systems currently mounted
/etc/vfstab List of default parameters for each file system
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWscpu |
+-----------------------------+-----------------------------+
SEE ALSO
du(1), quot(1M), tunefs(1M), mnttab(4), attributes(5)
SunOS 5.10 14 Sep 1992 df(1B)