From: Ulli Horlacher <framstag@rus.uni-stuttgart.de>
To: Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: cannot use btrfs for nfs server
Date: Tue, 13 Jul 2021 09:37:21 +0200 [thread overview]
Message-ID: <20210713073721.GA5047@tik.uni-stuttgart.de> (raw)
In-Reply-To: <8506b846-4c4d-6e8f-09ee-e0f2736aac4e@cobb.uk.net>
On Mon 2021-07-12 (23:56), g.btrfs@cobb.uk.net wrote:
> > root@tsmsrvj:/etc# du -Hs /nfs/localhost/snapshots
> > du: WARNING: Circular directory structure.
> > This almost certainly means that you have a corrupted file system.
> > NOTIFY YOUR SYSTEM MANAGER.
> > The following directory is part of the cycle:
> > /nfs/localhost/snapshots/spool
>
> Sure. But it makes the useful operations work. du, find, ls -R, etc all
> work properly on /nfs/localhost/fex.
Properly on /nfs/localhost/fex : yes
Properly on /nfs/localhost/snapshots : NO
And the error messages are annoying!
root@tsmsrvj:/etc# exportfs -v
/data/fex localhost.localdomain(rw,async,wdelay,crossmnt,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
/data/snapshots localhost.localdomain(rw,async,wdelay,crossmnt,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)
root@tsmsrvj:/etc# mount -o vers=3 localhost:/data/fex /nfs/localhost/fex
root@tsmsrvj:/etc# mount -o vers=3 localhost:/data/snapshots /nfs/localhost/snapshots
root@tsmsrvj:/etc# mount | grep localhost
localhost:/data/fex on /nfs/localhost/fex type nfs (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=127.0.0.1,mountvers=3,mountport=37961,mountproto=udp,local_lock=none,addr=127.0.0.1)
localhost:/data/snapshots on /nfs/localhost/snapshots type nfs (rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=127.0.0.1,mountvers=3,mountport=37961,mountproto=udp,local_lock=none,addr=127.0.0.1)
root@tsmsrvj:/etc# ls -la /data/snapshots /nfs/localhost/snapshots
/data/snapshots:
total 16
drwxr-xr-x 1 root root 20 Jul 13 09:19 .
drwxr-xr-x 1 root root 24 Jul 12 17:42 ..
drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_1
drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_2
/nfs/localhost/snapshots:
total 4
drwxr-xr-x 1 root root 20 Jul 13 09:19 .
drwxr-xr-x 4 root root 4096 Jul 12 17:49 ..
drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_1
drwxr-xr-x 1 fex fex 261964 Mar 7 14:53 fex_2
root@tsmsrvj:/etc# du -Hs /nfs/localhost/snapshots
du: WARNING: Circular directory structure.
This almost certainly means that you have a corrupted file system.
NOTIFY YOUR SYSTEM MANAGER.
The following directory is part of the cycle:
/nfs/localhost/snapshots/fex_1/XXXXXXXXXX@gmail.com
du: WARNING: Circular directory structure.
This almost certainly means that you have a corrupted file system.
NOTIFY YOUR SYSTEM MANAGER.
The following directory is part of the cycle:
/nfs/localhost/snapshots/fex_2/XXXXXXXXXX@gmail.com
25708064 /nfs/localhost/snapshots
root@tsmsrvj:/etc# du -Hs /data/snapshots
25712896 /data/snapshots
root@tsmsrvj:/etc# ls -R /nfs/localhost/snapshots | wc -l
ls: /nfs/localhost/snapshots/fex_1/XXXXXXXXXX@gmail.com: not listing already-listed directory
ls: /nfs/localhost/snapshots/fex_2/XXXXXXXXXX@gmail.com: not listing already-listed directory
128977
root@tsmsrvj:/etc# ls -R /data/snapshots | wc -l
129021
root@tsmsrvj:/etc# ls -aR /nfs/localhost/snapshots | wc -l
ls: /nfs/localhost/snapshots/fex_1/XXXXXXXXXX@gmail.com: not listing already-listed directory
ls: /nfs/localhost/snapshots/fex_2/XXXXXXXXXX@gmail.com: not listing already-listed directory
281357
root@tsmsrvj:/etc# ls -aR /data/snapshots | wc -l
281427
More debug info:
root@tsmsrvj:/data/snapshots# find . >/tmp/local.list
root@tsmsrvj:/nfs/localhost/snapshots# find . >/tmp/nfs.list
find: File system loop detected; './fex_1/XXXXXXXXXX@gmail.com' is part of the same file system loop as '.'.
find: File system loop detected; './fex_2/XXXXXXXXXX@gmail.com' is part of the same file system loop as '.'.
root@tsmsrvj:/nfs/localhost/snapshots# diff -u /tmp/local.list /tmp/nfs.list
--- /tmp/local.list 2021-07-13 09:25:36.388084331 +0200
+++ /tmp/nfs.list 2021-07-13 09:26:02.120793230 +0200
@@ -1,25 +1,5 @@
.
./fex_1
-./fex_1/XXXXXXXXXX@gmail.com
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/alist
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/filename
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/size
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/autodelete
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/keep
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/ip
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/uurl
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/useragent
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/header
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/dkey
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/speed
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/md5sum
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/download
-./fex_1/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/error
-./fex_1/XXXXXXXXXX@gmail.com/.log
-./fex_1/XXXXXXXXXX@gmail.com/.log/fup
-./fex_1/XXXXXXXXXX@gmail.com/.log/fop
./fex_1/XXXXXXXXXX@web.de
./fex_1/XXXXXXXXXX@web.de/@LOCALE
./fex_1/XXXXXXXXXX@web.de/.log
@@ -97976,26 +97956,6 @@
./fex_1/.xkeys
./fex_1/.snapshot
./fex_2
-./fex_2/XXXXXXXXXX@gmail.com
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/alist
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/filename
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/size
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/autodelete
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/keep
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/ip
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/uurl
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/useragent
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/header
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/dkey
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/speed
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/md5sum
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/download
-./fex_2/XXXXXXXXXX@gmail.com/XXXXXXXXXX@pi2.uni-stuttgart.de/origin-8.5.1-SR2.zip/error
-./fex_2/XXXXXXXXXX@gmail.com/.log
-./fex_2/XXXXXXXXXX@gmail.com/.log/fup
-./fex_2/XXXXXXXXXX@gmail.com/.log/fop
./fex_2/XXXXXXXXXX@web.de
./fex_2/XXXXXXXXXX@web.de/@LOCALE
./fex_2/XXXXXXXXXX@web.de/.log
--
Ullrich Horlacher Server und Virtualisierung
Rechenzentrum TIK
Universitaet Stuttgart E-Mail: horlacher@tik.uni-stuttgart.de
Allmandring 30a Tel: ++49-711-68565868
70569 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/
REF:<8506b846-4c4d-6e8f-09ee-e0f2736aac4e@cobb.uk.net>
next prev parent reply other threads:[~2021-07-13 7:37 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210613115313.BC59.409509F4@e16-tech.com>
2021-03-10 7:46 ` nfs subvolume access? Ulli Horlacher
2021-03-10 7:59 ` Hugo Mills
2021-03-10 8:09 ` Ulli Horlacher
2021-03-10 9:35 ` Graham Cobb
2021-03-10 15:55 ` Ulli Horlacher
2021-03-10 17:29 ` Forza
2021-03-10 17:46 ` Ulli Horlacher
2021-03-10 8:17 ` Ulli Horlacher
2021-03-11 7:46 ` Ulli Horlacher
2021-07-08 22:17 ` cannot use btrfs for nfs server Ulli Horlacher
2021-07-09 0:05 ` Graham Cobb
2021-07-09 4:05 ` NeilBrown
2021-07-09 6:53 ` Ulli Horlacher
2021-07-09 7:23 ` Forza
2021-07-09 7:24 ` Hugo Mills
2021-07-09 7:34 ` Ulli Horlacher
2021-07-09 16:30 ` Chris Murphy
2021-07-10 6:35 ` Ulli Horlacher
2021-07-11 11:41 ` Forza
2021-07-12 7:17 ` Ulli Horlacher
2021-07-09 16:35 ` Chris Murphy
2021-07-10 6:56 ` Ulli Horlacher
2021-07-10 22:17 ` Chris Murphy
2021-07-12 7:25 ` Ulli Horlacher
2021-07-12 13:06 ` Graham Cobb
2021-07-12 16:16 ` Ulli Horlacher
2021-07-12 22:56 ` g.btrfs
2021-07-13 7:37 ` Ulli Horlacher [this message]
2021-07-19 12:06 ` Forza
2021-07-19 13:07 ` Forza
2021-07-19 13:35 ` Forza
2021-07-27 11:27 ` Ulli Horlacher
2021-07-09 16:06 ` Lord Vader
2021-07-10 7:03 ` Ulli Horlacher
[not found] ` <162632387205.13764.6196748476850020429@noble.neil.brown.name>
2021-07-15 14:09 ` [PATCH/RFC] NFSD: handle BTRFS subvolumes better Josef Bacik
2021-07-15 16:45 ` Christoph Hellwig
2021-07-15 17:11 ` Josef Bacik
2021-07-15 17:24 ` Christoph Hellwig
2021-07-15 18:01 ` Josef Bacik
2021-07-15 22:37 ` NeilBrown
2021-07-19 15:40 ` Josef Bacik
2021-07-19 20:00 ` J. Bruce Fields
2021-07-19 20:44 ` Josef Bacik
2021-07-19 23:53 ` NeilBrown
2021-07-19 15:49 ` J. Bruce Fields
2021-07-20 0:02 ` NeilBrown
2021-07-19 9:16 ` Christoph Hellwig
2021-07-19 23:54 ` NeilBrown
2021-07-20 6:23 ` Christoph Hellwig
2021-07-20 7:17 ` NeilBrown
2021-07-20 8:00 ` Christoph Hellwig
2021-07-20 23:11 ` NeilBrown
2021-07-20 22:10 ` J. Bruce Fields
2021-07-15 23:02 ` NeilBrown
2021-07-15 15:45 ` J. Bruce Fields
2021-07-15 23:08 ` NeilBrown
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