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How do I get the total disk space available in Solaris 10?

  • I used iostat -En, but it is not showing the correct data.
  • df -h contains duplicate information.

Is there any generic way to find the total disk space in Solaris 10?

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iostat -En has no idea about how the disks are used (or not), it displays the whole device size. –  jlliagre Aug 5 '13 at 5:59
    
Hi jlliagre, you are right, i have given it wrong. Correct command is df -k, But,it contains duplicate info. How to remove it and get exact disk space. –  prasanna Aug 19 '13 at 9:30
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3 Answers

You may use the -t <filesys> option of df, to limit its output to some types of file system, As an example, on my system df -h gives :

Filesystem      Size  Used Avail Use% Mounted on
rootfs           63G   19G   42G  31% /
/dev/sda3        63G   19G   42G  31% /
devtmpfs        2.0G     0  2.0G   0% /dev
tmpfs           2.0G  804K  2.0G   1% /run
shm             2.0G     0  2.0G   0% /dev/shm
cgroup_root      10M     0   10M   0% /sys/fs/cgroup
/dev/sda2        16G  4.0G   11G  27% /var
/dev/sda6       834G   52G  741G   7% /home

while df -h -t ext4 gives :

Filesystem      Size  Used Avail Use% Mounted on
/dev/sda3        63G   19G   42G  31% /
/dev/sda2        16G  4.0G   11G  27% /var
/dev/sda6       834G   52G  741G   7% /home

If you want to sum over more than one type of partition, just add an other -t option, like :

df -h -t ext4 -t ext3 -t vfat
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df

Use the df command to show the amount of free disk space on each mounted disk.

df -k  

Use the df -k command to display disk space information in Kbytes.

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df -k command shows disk space in bytes, while summing up the size gives wrong data, since it lists every logical mount. The below command will not give the unique list, i need to get a unique mount list, so that, i can get the correct size df -k | awk 'NR>1' | awk '{x+=$2} END {print x}' –  prasanna Aug 5 '13 at 6:32
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Assuming that by duplicate information, you mean you are confused by df available space column reporting the same value for different ZFS file systems located in the same pool, I would suggest to use the zpool list command to get disk statistics similar to what df outputs for traditional file systems.

eg:

$ zpool list
NAME   SIZE  ALLOC   FREE    CAP  DEDUP  HEALTH  ALTROOT
zp    97.5G  46.0G  51,5G    47%  1.00x  ONLINE  -
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Thanks for the command, it worked well in 5.11, will check in some other versions of solaris. –  prasanna Aug 20 '13 at 5:28
    
This command definitely works with all versions of Solaris supporting ZFS and more generally with any OS supporting ZFS. –  jlliagre Aug 20 '13 at 5:49
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