Re: [Libtirpc-devel] [PATCH rpcbind] Move default state-dir to /run/rpcbind

[NeilBrown <neilb@suse.com>]

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On Sat, Nov 12 2016, Mike Frysinger wrote:

> [ Unknown signature status ]
> On 11 Nov 2016 14:36, NeilBrown wrote:
>> rpcbind can save state in a file to allow restart without forgetting
>> about running services.
>> 
>> The default location is currently "/tmp" which is an over-used
>> directory that isn't really suitable for system files.
>> The modern preferences would be a subdirectory of "/run", which can
>> be selected with a ./configure option.  That subdirectory would still need
>> to be created by something.
>
> the portable path is /var/cache instead of /run.  i don't think libtirpc
> should be configuring itself to assume Linux by default.

In principle I agree.  But is /var/cache really a good choice?
We don't want the state files to persist over a reboot, and I strongly
suspect that /var/cache is designed to do exactly that.

Are there agree standards that are broader than Linux that we can look
to?
FHS defines /var/run (or even /run) but I suspect it is linux-only.

https://en.wikipedia.org/wiki/Unix_filesystem#Conventional_directory_layout

only suggests /tmp as something that won't survive reboot.
Maybe we should continue to use the /tmp filesystem, but move to a
subdirectory:
 /tmp/rpcbind
??

Thanks,
NeilBrown

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