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ZFS Root help needed

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Operating Systems Solaris ZFS Root help needed
# 1  
Old 12-07-2009
ZFS Root help needed
I'm new to zfs root, can someone explain, in the example below, the root filesystem. It says I have 67G Total Space, 9.6G is used, yet I have only 36G available?



Code:
root@servername:/#df -h
Filesystem             size   used  avail capacity  Mounted on
rpool/ROOT/s10s_u8wos_08a
                        67G   9.6G    36G    22%    /
/devices                 0K     0K     0K     0%    /devices
ctfs                     0K     0K     0K     0%    /system/contract
proc                     0K     0K     0K     0%    /proc
mnttab                   0K     0K     0K     0%    /etc/mnttab
swap                    12G   440K    12G     1%    /etc/svc/volatile
objfs                    0K     0K     0K     0%    /system/object
sharefs                  0K     0K     0K     0%    /etc/dfs/sharetab
/platform/sun4u-us3/lib/libc_psr/libc_psr_hwcap1.so.1
                        46G   9.6G    36G    22%    /platform/sun4u-us3/lib/libc_psr.so.1
/platform/sun4u-us3/lib/sparcv9/libc_psr/libc_psr_hwcap1.so.1
                        46G   9.6G    36G    22%    /platform/sun4u-us3/lib/sparcv9/libc_psr.so.1
fd                       0K     0K     0K     0%    /dev/fd
swap                    12G   112K    12G     1%    /tmp
swap                    12G    32K    12G     1%    /var/run
rpool/export            10G    23K   8.3G     1%    /export
rpool/export/home       10G   1.7G   8.3G    17%    /export/home
rpool                   67G    97K    36G     1%    /rpool
nbu_pool                67G    23K    67G     1%    /opt/nbu_pool
nbu_pool/openv          67G    21K    67G     1%    /opt/nbu_pool/openv

Last edited by DukeNuke2; 12-08-2009 at 04:17 AM.. Reason: please use code tags!
# 2  
Old 12-08-2009
Please use code tags for your df output to be readable..

At first glance, you have a 12 GB swap device but that's not enough to explain the apparent discrepancy. Post "zpool status", "zfs list", "zfs list -t all" output to see what else is using disk space.
# 3  
Old 12-09-2009
Posting a "zfs list" would help the discussion; however, I believe
you have the following in your rpool Zpool.

67G (rpool) - [9.6G (/) + 12G (swap) + 10G (/export reservation)] = ~ 36G (available)

Of course, the /export reservation is an assumption I'm making.

Code:
Filesystem             size   used  avail capacity  Mounted on
rpool/ROOT/s10s_u8wos_08a
                        67G   9.6G    36G    22%    /
swap                    12G   112K    12G     1%    /tmp
rpool/export            10G    23K   8.3G     1%    /export

Last edited by vbe; 12-10-2009 at 04:49 AM.. Reason: +code tags
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