Jail and df problem
Tom Dymond
tom at kmem.org
Mon Nov 8 07:55:36 PST 2004
Hi,
I'm running several jails on this box and df doesnt seem to report the
filesystems that are mounted within the jail.
When using :
fbsd5# sysctl security.jail.getfsstatroot_only=1
i see :
22:37|admin at j1:~> df
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/md0s1a 495726 148894 307174 33% /usr/local/jails/j1
when setting it to 0
fbsd5# sysctl security.jail.getfsstatroot_only=0
i see
fbsd5# df
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/ad0s1a 253678 56490 176894 24% /
devfs 1 1 0 100% /dev
/dev/ad0s1e 253678 932 232452 0% /tmp
/dev/ad0s1f 29282666 1891884 25048170 7% /usr
/dev/ad0s1d 253678 32750 200634 14% /var
procfs 4 4 0 100% /proc
/dev/ad0s2e 30460626 2 28023774 0% /usr/local/data
/dev/ad0s3d 5077038 420388 4250488 9% /usr/local/jails/d1
/dev/ad0s3e 5077038 4 4670872 0% /usr/local/jails/d2
/dev/ad0s3f 5077038 4 4670872 0% /usr/local/jails/d3
/dev/ad0s3g 5077038 4 4670872 0% /usr/local/jails/d4
/dev/ad0s3h 10152148 2 9339976 0% /usr/local/jails/d5
/dev/ad0s4d 24876810 2049060 20837606 9% /usr/local/mdisks
/dev/md0s1a 495726 148894 307174 33% /usr/local/jails/j1
/dev/md0s1d 126702 296 116270 0% /usr/local/jails/j1/var
/dev/md0s1e 364974 24 335754 0% /usr/local/jails/j1/home
devfs 1 1 0 100% /usr/local/jails/j1/dev
fdescfs 1 1 0 100% /usr/local/jails/j1/dev/fd
procfs 4 4 0 100% /usr/local/jails/j1/proc
... but shouldnt i see from within the jail this :
/dev/md0s1a 495726 148894 307174 33% /usr/local/jails/j1
/dev/md0s1d 126702 296 116270 0% /usr/local/jails/j1/var
/dev/md0s1e 364974 24 335754 0% /usr/local/jails/j1/home
devfs 1 1 0 100% /usr/local/jails/j1/dev
fdescfs 1 1 0 100% /usr/local/jails/j1/dev/fd
procfs 4 4 0 100% /usr/local/jails/j1/proc
because otherwise it's not easy for the jail administrator to know how
much space is left on his /var.
If there any way to accomplish this on this 5.3-STABLE system ?
Previously, on my 4.x systems i was using a kernel module provided by
Pawel Jakub Dawidek on his website and it worked wonderfully.
Many thanks,
Tom
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