Darren J Moffat wrote:
So I setup the share manually in /etc/dfs/dfstab thus :
# vi /etc/dfs/dfstab
"/etc/dfs/dfstab" 1 lines, 97 characters
share -F nfs -o ro=isis,root=isis -d "jumpstart"
/export/zfs_0/jumpstart/s10/SXCRb35
So why did you do that rather than what it suggested you should do
which is:
# zfs set sharenfs=ro=isis,root=isis zfs_0
Because I do not want to share out the whole ZFS filesystem
Strictly /export/zfs_0/jumpstart/s10/SXCRb35
So why not have /export/zfs_0/
/export/zfs_0/jumpstart
/export/zfs_0/jumpstart/s10
/export/zfs_0/jumpstart/s10/SXCRb35
all as separate ZFS filesystems, they are cheap after all :-)
ZFS filesystems are designed to be plentiful as water. Use them liberally.
:) It takes awhile to get used to the new administrative model, which is
very different from the traditional disk-oriented UNIX mindset.
FWIW, on my workstation I have created a separate ZFS file system for
every single directory which contains data which isn't NFS mounted.
[EMAIL PROTECTED] zfs list
NAME USED AVAIL REFER MOUNTPOINT
junk 63.0G 157G 151K /junk
junk/builds 57.6G 157G 151K /builds
junk/builds/elowe 57.6G 157G 57.6G /builds/elowe
junk/iso 121M 157G 121M /junk/iso
junk/local 4.62M 157G 4.62M /usr/local
junk/opt 23.9M 157G 23.9M /junk/opt
junk/twilight 5.13G 157G 4.91G /zone/twilight
junk/[EMAIL PROTECTED] 232M - 4.85G -
/junk is a ZFS version of /tmp where I put junk; /builds contains
workspaces and each user gets their own filesystem for their workspaces so
each is a separate ZFS filesystem. That structure is analogous to what you
want. I created /junk/iso on a whim so I could export downloaded ISO
images to another machine with a working CD burner. My zone is its own ZFS
filesystem I installed then immediately took a snapshot. This lets me
create a new zone simply by cloning the initial installation.
The side effects I like are that I can see at a glance (without du or df)
where all of my disk space is going, control NFS exports via zfs commands
(no more poking at /etc/dfs for me, thanks) and moreover when I decide I
don't want those ISO images anymore (which I just did) I can destroy the
filesystem instead of doing a rm -rf:
# zfs destroy junk/iso
The ZFS model of administration is just so much better...
- Eric
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