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Re: Emacs Hangs on Filesystem Operations on Stale NFS
From: |
Stefan Monnier |
Subject: |
Re: Emacs Hangs on Filesystem Operations on Stale NFS |
Date: |
Mon, 11 Jun 2018 13:08:03 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
>> - It seems your unreliable NFS server is mounted "hard" rather than "soft".
>> Why is that? "man mount" on my Debian machine doesn't find any "hard"
>> or "soft" options, so has the soft-mount option disappeared?
> Try nfs(5) for a description of "hard" and "soft".
[ Ah, indeed. Not sure why it's not in `mount` even though that page also
claims to have NFS-specific options. In any case, this confirms tht
soft mounts still exist. Thanks. ]
> Hard mounts are the default because soft mounts usually cause more
> problems than they solve.
Indeed, but the OP's description of the behavior he's trying to get from
Emacs suggests maybe he'd be satisfied by a `soft` mount.
>> What are
>> applications usually expected to do when accessing a stale NFS server?
>
> Could we start by getting a more precise definition of "stale NFS
> server"? I can think of at least 3 different situations that might be
> meant:
> - the server is down temporarily
> - the server is down permanently
> - the server is up, but it no longer exports that filesystem
- the server is up, but the connection is temporarily not available.
[ where "temporarily" can last a long time. ]
- buggy NFS (the server is up and exporting, the connection as well,
yet the NFS client stalls for some unknown reason).
Stefan
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, (continued)
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, Andreas Schwab, 2018/06/11
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, Alexander Shukaev, 2018/06/11
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, Eli Zaretskii, 2018/06/11
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, Paul Eggert, 2018/06/13
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, Davis Herring, 2018/06/12
- Re: Emacs Hangs on Filesystem Operations on Stale NFS, Perry E. Metzger, 2018/06/12
Re: Emacs Hangs on Filesystem Operations on Stale NFS, Stefan Monnier, 2018/06/11
Re: Emacs Hangs on Filesystem Operations on Stale NFS, Alexander Shukaev, 2018/06/13