11-25-2006
Disk space management on Solaris
Hi,
I'm using sun solaris. Using df -h I have the following:
Filesystem size used avail capacity Mounted on
/dev/md/dsk/d2 12G 7.1G 4.6G 61% /
/proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
fd 0K 0K 0K 0% /dev/fd
swap 13G 96K 13G 1% /var/run
dmpfs 13G 0K 13G 0% /dev/vx/dmp
dmpfs 13G 0K 13G 0% /dev/vx/rdmp
swap 13G 1016K 13G 1% /tmp
/dev/md/dsk/d8 44G 7.9G 35G 19% /space
/dev/vx/dsk/localdg/cr_vol
3.0G 1.1G 1.8G 40% /oracrs
/dev/vx/dsk/localdg/or_vol
10G 9.5G 538M 95% /oracle
/dev/null 0K 0K 0K 0% /dev/odm
/dev/vx/dsk/crs_oradg/crs_vol
500M 17M 453M 4% /ora_crs
/dev/vx/dsk/rac_dg/rac_vol2
39G 11G 26G 30% /rac_archive
/dev/vx/dsk/rac_dg/rac_vol1
98G 72G 24G 75% /rac_ts
Well I don't know exactly how filesystems are organized on UNIX. But, I need to increase the one for /oracle. I searched the net a lot but couldn't find something suitable.
Can anyone help me with this and if possible explain the filesystems which I have for me?
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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)