[gentoo-user] problem w/ portage tmp on nfs

[gentoo-user] problem w/ portage tmp on nfs

[Enrico Weigelt]

Hi folks,

my gentoo-driven notebook has just a small harddisk, so moved
/var/tmp/portage to an nfs volume (directly mounted there).
This produces really strange problems, if the directory is 
empty: portage cannot create the directory ../$pkg/temp, 
but $pkg/ and several things beyond are created. Portage
aborts with an exception.

I suspect some permission problem. 

Strange: when unmounting it, starting portage until it has created
the sourcetree, moving it away, remounting and moving the already-
prepared sourcetree to the now mounted nfs dir, works fine, also
with other packages following.


Does anyone have an idea what this can be ?


cu
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Re: [gentoo-user] problem w/ portage tmp on nfs

[Daniel da Veiga]

On 7/4/06, Enrico Weigelt <weigelt@metux.de> wrote:
>
> Hi folks,
>
> my gentoo-driven notebook has just a small harddisk, so moved
> /var/tmp/portage to an nfs volume (directly mounted there).
> This produces really strange problems, if the directory is
> empty: portage cannot create the directory ../$pkg/temp,
> but $pkg/ and several things beyond are created. Portage
> aborts with an exception.
>
> I suspect some permission problem.
>
> Strange: when unmounting it, starting portage until it has created
> the sourcetree, moving it away, remounting and moving the already-
> prepared sourcetree to the now mounted nfs dir, works fine, also
> with other packages following.
>
>
> Does anyone have an idea what this can be ?
>

I have some portage stuff mounted with nfs, the only way for portage
to work with those dirs was to set "no_root_squash" at /etc/exports at
the host machine... I don't know why, even with full permissions,
portage refused to work.

But I was warned at the NFS howto that this kind of administrative
task would require this... So, I just setup some firewall rules and
enhanced security a bit...

-- 
Daniel da Veiga
Computer Operator - RS - Brazil
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Re: [gentoo-user] problem w/ portage tmp on nfs

[Alan McKinnon]

On Tue, 2006-07-04 at 16:06 -0300, Daniel da Veiga wrote:
> I have some portage stuff mounted with nfs, the only way for portage
> to work with those dirs was to set "no_root_squash" at /etc/exports at
> the host machine... I don't know why, even with full permissions,
> portage refused to work.

Because even if portage is running as root on the local machine, portage
won't run with root permission on the remote machine when
accessing /usr/portage.

The only way to do that is to tell the remote machine to grant root
access *if* the client is running as root by using no_root_squash

alan

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