Re: missing files in readdir(3) on NFS export of ZFS volume (since v28?)
- From: Olivier Smedts <olivier@xxxxxxxx>
- Date: Tue, 8 Mar 2011 15:56:44 +0100
2011/3/7 Pierre Beyssac <pb@xxxxxxxxxxxxxxxxxx>:
Hello,
I'm running a 9-current server as compiled on Sat Mar 5 02:17:14
CET 2011.
Since I upgraded to ZFS v28 I noticed missing files from NFS. The
files are still accessible through NFS but they don't show up on a
readdir(3).
On the NFS server (files are stored on a ZFS v15 volume, not yet
upgraded to the v28 format):
% cd /usr/ports/devel/autoconf
% ls -i
311401 Makefile 204505 files 204509 pkg-plist
204504 distinfo 204508 pkg-descr
On the NFS client side (FreeBSD 8.2-RELEASE):
% cd /usr/ports/devel/autoconf
% ls -i
204504 distinfo 204508 pkg-descr
204505 files 204509 pkg-plist
Yet the missing file can be accessed:
% head -3 Makefile
# New ports collection makefile for: autoconf
# Date created: 7th December 2006
# Whom: ade@xxxxxxxxxxx
I have the same behavior for files or even complete dirs in my linux
jails. The files are visible on the host computer (FreeBSD 9-CURRENT
amd64 with v28 ZFS root pool), but if I chroot in the linux jail (so
now it's not a jail but only a chroot running linux binaries), I can't
"ls" them. I can provide more details but I'm not in front of my
computer right now. What do you need ?
Note that the missing files are scattered throughout the volume,
no relation to the inode number, as shown on a diff:
@@ -1,8 +1,6 @@
3 7 drwxr-xr-x 70 pb staff 93 4 mar 19:11 /usr/ports
- 4 2 -rw-r--r-- 1 pb staff 241 24 jan 2007 /usr/ports/astro/tclgeomap/pkg-plist
5 3 drwxr-xr-x 2 pb staff 6 22 fév 12:04 /usr/ports/astro/tkgeomap
6 3 drwxr-xr-x 4 pb staff 6 29 jul 2008 /usr/ports/Tools
- 7 5 drwxr-xr-x 33 pb staff 34 25 nov 15:59 /usr/ports/accessibility
8 3 drwxr-xr-x 12 pb staff 14 9 fév 2009 /usr/ports/arabic
11 51 drwxr-xr-x 900 pb staff 901 6 mar 14:36 /usr/ports/audio
12 3 -rw-r--r-- 1 pb staff 584 25 aoû 2006 /usr/ports/astro/tkgeomap/pkg-descr
@@ -16,10 +14,8 @@
23 3 drwxr-xr-x 3 pb staff 7 24 mar 2010 /usr/ports/astro/wcslib
24 4 -rw-r--r-- 1 pb staff 1414 5 jan 2010 /usr/ports/astro/wcslib/Makefile
25 5 drwxr-xr-x 31 pb staff 33 1 jan 23:16 /usr/ports/french
- 26 2 -rw-r--r-- 1 pb staff 197 5 jan 2010 /usr/ports/astro/wcslib/distinfo
27 63 drwxr-xr-x 1110 pb staff 1111 23 fév 15:37 /usr/ports/games
28 3 drwxr-xr-x 2 pb staff 4 24 mar 2010 /usr/ports/astro/wcslib/files
- 29 2 -rw-r--r-- 1 pb staff 236 5 jan 2010 /usr/ports/astro/wcslib/files/6-patch-configure
30 3 -rw-r--r-- 1 pb staff 677 5 jan 2010 /usr/ports/astro/wcslib/files/patch-GNUmakefile
31 2 -rw-r--r-- 1 pb staff 401 17 jul 2009 /usr/ports/astro/wcslib/pkg-descr
32 4 -rw-r--r-- 1 pb staff 1515 5 jan 2010 /usr/ports/astro/wcslib/pkg-plist
...
Reverting to an old 9-current kernel (January 10, before the ZFS
v28 patches) fixes the problem...
--
Sent from my FreeBSD server
Pierre Beyssac pb@xxxxxxxxxxxxxxxxxx
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