12-13-2009
swap size, total disk space
Hi experts,
In my solaris system when i run the command df -h i got the below response.I have some confusion which i want to share with you guys.1)there are two SWAP file system shows are they same or different?2)if i want to count the total disk space should i take both the swap space or only one?
Filesystem size used avail capacity Mounted on
/ 22G 19G 3.2G 86% /
/.SUNWnative/lib 33G 4.3G 28G 4% /.SUNWnative/lib
/.SUNWnative/plat33G 4.3G 28G 14% /.SUNWnative/platform
/.SUNWnative/usr33G 4.3G 28G 14% /.SUNWnative/usr
/backup 27G 23G 3.7G 87% /backup
/dev 22G 19G 3.2G 86% /dev
/oracle 56G 52G 4.3G 93% /oracle
/sapmnt 3.0G 2.4G 612M 81% /sapmnt
/usr/sap 3.0G 1.1G 1.9G 39% /usr/sap
proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
swap 117G 16K 117G 1% /etc/svc/volatile
/dev/ksyms33G 4.3G 28G 14% /dev/ksyms
fd 0K 0K 0K 0% /dev/fd
swap 117G 240K 117G 1% /tmp
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df(1) General Commands Manual df(1)
Name
df - display free and used disk space
Syntax
df [-i] [-l] [-n] [filesystem...] [file...]
Description
The command displays the amount of disk space available on the specified file system, for example, It also displays the amount of available
disk space on the file system in which the specified file is contained, for example, If a device is given that has no file systems mounted
on it, displays the information for the root file system. Without any arguments or options, displays shows all mounted filesystems,
including those manually mounted without use of the file. The numbers are reported in kilobytes.
Unless the -n option is specified, updates the statistics stored in memory for the file system specified, before it returns the informa-
tion.
Options
-i Also report the number of used and free inodes.
-l Reports on locally mounted disks only.
-n Do not update the file system statistics stored in memory. Instead, return whatever statistics are stored in memory. This prevents
from hanging in the event that a server containing the specified file system is down.
Restrictions
You cannot use the command to find free space on an unmounted file system using the block or character special device name. Instead, use
the command.
Examples
% df
Filesystem Total kbytes kbytes %
node kbytes used free used Mounted on
/dev/ra1a 7429 2085 4602 31% /tmp
/dev/ra0e 30519 14817 12651 54% /usr/spool
/dev/ra0h 313233 122858 159052 44% /usr/staff1
The total disk space is the total space that was created during the making of the file system. The addition of the used space, the free
space and a percentage of reserved space is the total space. The default value for the reserved space is 10%.
Files
List of mounted file systems
See Also
getmnt(2), fstab(5), dumpfs(8), icheck(8), mkfs(8), newfs(8), quot(8)
df(1)