On 19 May 2017 at 10:22, cristian pancià <[email protected]> wrote:
> HI there, it happend twice i had a freebsd.json with all the set ups, but
> i've done some reboot, and i can't find it seems like disappeared.
> Doing a vmadm get UUID i can have all the info but doing a find . /
> freebsd.json no way to get it
> Any point about that strangeness?
Where did you store the file? The home directory of the root user
(i.e., "/root") is not persistent -- it's a part of the ramdisk image,
so its contents are lost on reboot. If you look at the mounted file
systems in the global zone, there are a few places which _are_
persistent; e.g., "/opt" and "/var" are mounted out of the "zones"
pool. Files in persistent locations will survive a reboot.
On my personal SmartOS machine, I have created a (custom) persistent
home directory for the root user -- "/var/root". Then I have a
startup script[1] in which I do this:
mount -F lofs -O -o rw /var/root /root
The "lofs" file system is a bit like the FreeBSD "nullfs", or bind
mounts in Linux. It can make one tree within the file system (in this
case, the persistent "/var/root") appear in place of another.
[1]: https://gist.github.com/jclulow/2606370
--
Joshua M. Clulow
UNIX Admin/Developer
http://blog.sysmgr.org
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