Bug#502292: Please consider including cache option to fix nfs4 problems

From	Jochen Hein <jochen@jochen.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#502292: Please consider including cache option to fix nfs4 problems
Date	2018-01-04 08:20 +0100
Message-ID	<v47YL-2cH-5@gated-at.bofh.it> (permalink)
References	<bi7UB-1G0-17@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Source: nfs-utils
Followup-For: Bug #502292

This report is now almost 10 years old - I'd suggest to close the bug
with WONTFIX.  The original reporter used libnss-ldap to access the
user directory, which doesn't do caching of results as far as I know.
Even changing /proc/sys/fs/nfs/idmap_cache_timeout to 10 seconds might
not fix the race conditions entirely.

Since some time we have sssd which we can use to get users/groups from
LDAP.  sssd caches the results and can even allow offline
authentication against LDAP users.  So my suggestion to the original
reporter would be to use sssd instead of libnss-ldap.

What do you think?

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Bug#502292: Please consider including cache option to fix nfs4 problems Jochen Hein <jochen@jochen.org> - 2018-01-04 08:20 +0100

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