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Re: very odd nfs behaviour

From Mike Scott <usenet.16@scottsonline.org.uk.invalid>
Newsgroups alt.os.linux.mint, comp.os.linux.networking
Subject Re: very odd nfs behaviour
Date 2025-01-25 17:02 +0000
Organization Scott family
Message-ID <vn35fb$2tv0e$1@dont-email.me> (permalink)
References <vn0gn0$2ajlc$1@dont-email.me> <eted6lx2bv.ln2@Telcontar.valinor>

Cross-posted to 2 groups.

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On 24/01/2025 21:56, Carlos E.R. wrote:
> On 2025-01-24 17:56, Mike Scott wrote:
>> A very odd situation here.
>>
>> I have a (freebsd) server serving a tree of photos and information 
>> files. It's large, and the paths quite long - whether that's relevant 
>> I don't know.
> 
> If you are using nfs version 3, perhaps try version 4.
> If version 4, what's in the exports file?
> 
> All client machines have the same fstab nfs entry?
> 
> 
> 

Thanks to all for commenting.

To clarify a few points:

The clients in question all use autofs, and the tables are copies of a 
central master. So nfs options should be the same.

On my own machine, it made no difference whether the fs was automounted, 
or manually.

The precise point of error changes when the fs is remounted, manually or 
by reboot.

BTW NFSv4 isn't really an option. A very different beast, and doesn't 
seem to offer anything I need.

It used to work, I'm (nearly) sure - it affects my software to make a 
photo index which dates back years. I'm sure I'd have noticed an issue.

The directories can each have several hundred files.



Currently, I see:

Desktop> find 
/nfs/mmedia/pictures/originals-index4/mike/master_digital_camera/2008_0418/ 
-ls >/dev/null
find: 
‘/nfs/mmedia/pictures/originals-index4/mike/master_digital_camera/2008_0418/2008_040’: 
No such file or directory

ls /nfs/mmedia/pictures/originals-index4 [linewrapped]
/mike/master_digital_camera[/2008_0418/
<skip>
2008_0216_102631.jpg--slide.png
2008_0216_102631.jpg--thumb.png
2008_040                  <<<<< odd extra entry
2008_0406_070443.jpg.exif
etc


I copied just that folder to within /tmp, so local: the initial copy 
failed  because of that bad entry, so I did a copy-and-paste of the 
originals. A 'diff -r' on the two directories moaned that 2008_040 only 
existed on the nfs folder, so at least at the moment, it's a spurious 
extra entry rather than a mangled real one.


FWIW my machine is on Linux Mint 21.2 Victoria; one of the working ones 
is on Linux Mint 21.1 Vera, so not too different. The lappy I can't 
check ATM.


......

Oh, I've just rebooted after an abortive attempt to run a DVD live 
system. Now I get

~> find /nfs/mmedia/pictures/ -ls >/dev/null
find: 
‘/nfs/mmedia/pictures/originals-index4/mike/camera2018/20181210/2018-12-10/’: 
No such file or directory
find: 
‘/nfs/mmedia/pictures/originals-nokeys-index/mike/master_digital_camera/2008_1219/2008_121’: 
No such file or directory
find: 
‘/nfs/mmedia/pictures/originals-nokeys-index/mike/camera2018/20181210/2018-12-10/’: 
No such file or directory
~>

I'm pretty sure I had a "filename too long" yesterday as well.


I'm at a loss as to what to try next - the live DVD seemed a good idea, 
but wouldn't boot: I'll have to think about a fresh thread for that one.



-- 
Mike Scott
Harlow, England

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Thread

very odd nfs behaviour Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-01-24 16:56 +0000
  Re: very odd nfs behaviour Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-01-24 17:00 +0000
  Re: very odd nfs behaviour Edmund <nomail@hotmail.com> - 2025-01-24 18:01 +0100
    Re: very odd nfs behaviour Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-01-24 17:30 +0000
  Re: very odd nfs behaviour Richard Kettlewell <invalid@invalid.invalid> - 2025-01-24 17:55 +0000
    (resolved) Re: very odd nfs behaviour Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-01-27 15:41 +0000
      Re: (resolved) Re: very odd nfs behaviour Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-01-27 23:24 +0000
        Re: (resolved) Re: very odd nfs behaviour Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-01-28 08:06 +0000
          Re: (resolved) Re: very odd nfs behaviour "Carlos E.R." <robin_listas@es.invalid> - 2025-01-28 12:34 +0100
          Re: (resolved) Re: very odd nfs behaviour pinnerite <pinnerite@gmail.com> - 2025-01-28 22:58 +0000
  Re: very odd nfs behaviour "Carlos E.R." <robin_listas@es.invalid> - 2025-01-24 22:56 +0100
    Re: very odd nfs behaviour Paul <nospam@needed.invalid> - 2025-01-24 17:34 -0500
      Re: very odd nfs behaviour "Carlos E.R." <robin_listas@es.invalid> - 2025-01-25 01:45 +0100
    Re: very odd nfs behaviour Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-01-25 17:02 +0000
  Re: very odd nfs behaviour "Arti F. Idiot" <addr@is.invalid> - 2025-01-24 17:13 -0700
  Re: very odd nfs behaviour Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-01-26 00:01 +0000
  Re: very odd nfs behaviour Grant Taylor <gtaylor@tnetconsulting.net> - 2025-01-25 20:08 -0600

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