unionfs limitations?

Marc G. Fournier scrappy at hub.org
Sat May 7 07:06:08 PDT 2005

On Sat, 7 May 2005, Eirik [ISO-8859-1] Øverby wrote:

> On 07-05-05 03:19, "George Hartzell" <hartzell at kestrel.alerce.com> wrote:
>> Eirik Øverby writes:
>>> Hi,
>>> I just started playing with mounting ports into jails using unionfs
>>> (mount_unionfs -b /usr/ports_jail /usr/local/jails/jail-0/usr/ports), and
>>> many things seem to work fine.
>>> However, when trying to install either of mysql41-server or mysql41-client,
>>> I see the following:
>>> [root at mpi1] /usr/ports/databases/mysql41-server# make install
>>> ===>  Installing for mysql-server-4.1.11_1
>>> ===>   mysql-server-4.1.11_1 depends on shared library: mysqlclient.14 -
>>> found
>>> ===>   Generating temporary packing list
>>> ===>  Checking if databases/mysql41-server already installed
>>> ln: POSIX: Operation not supported
>>> *** Error code 1
>>> Stop in /usr/ports/databases/mysql41-server.
>>> Did I miss out on something, or is this not going to work? Do I need to
>>> think in other ways?
>>> [...]
>> Here's one unionfs/jail gotcha that's bitten me a couple of times.  If
>> you actually *use* (or, have used) the ports directory to build and
>> install stuff onto the "host" machine, the ports infrastructure in the
>> jail gets kind of confused.  It seems to be checking for the files in
>> the dependencies, doesn't find them, goes to make them, and then
>> [depending on what state the relevant port directory is in], things
>> get "odd".
> I noticed that pretty early on, yea ;)

Has 5.x *really* gone that far downhill? :(

I've been doing the above since about day one ... *but* ... is this the 
case if you set WRKDIRPREFIX= to somewhere else in /etc/make.conf?  I 
don't build the actual port *in* /usr/ports, so the only thing that gets 
written in /usr/ports is /usr/ports/distfiles ...

Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org           Yahoo!: yscrappy              ICQ: 7615664

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