Re: guix on nfs based systems

[Ricardo Wurmus]

Hi Etienne,

FWIW at the MDC we’ve been doing the same: on all nodes mount /gnu read-only, 
mount
/var/guix read-write; provide a “guix” executable that sets
GUIX_DAEMON_SOCKET and disables/discourages “guix gc”.

> Thanks! That's really helpful! How robust is your system to bandwidth
> fluctuations and network hiccups?

Network reliability has never been an issue for us when it comes to
Guix.  We serve /gnu redundantly with pacemaker so that we can take down
one of the two Guix servers (they are VMs) without affecting
availibility of programs and files on /gnu.

> How big is your store, /gnu, /var/guix?

We have about 2TB for /gnu.  We never run “guix gc” because the Guix
servers have no access to all the users’ shares, so it would be overly
aggressive in determining garbage.

> How many users do you have?

About 200.

-- 
Ricardo Wurmus

System administrator
BIMSB - Scientific Bioinformatics Platform
Max Delbrueck Center for Molecular Medicine

email: ricardo.wurmus@mdc-berlin.de
tel:   +49 30 9406 1796